External api proposal
[openflowplugin.git] / openflowplugin / src / main / java / org / opendaylight / openflowplugin / openflow / md / core / sal / OFRpcTaskFactory.java
index 2d2067984d8d82b69d12d0236632f919a3b8a99a..371ed9e04820c2ac0b64a984dbd669c45119ddb5 100644 (file)
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2013-2014 Cisco Systems, Inc. and others.  All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 package org.opendaylight.openflowplugin.openflow.md.core.sal;
 
 import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
 
+import org.opendaylight.openflowjava.protocol.api.util.BinContent;
+import org.opendaylight.openflowplugin.api.OFConstants;
+import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
+import org.opendaylight.openflowplugin.api.openflow.md.core.sal.NotificationComposer;
+import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.FlowConvertor;
-import org.opendaylight.openflowplugin.openflow.md.core.session.TransactionKey;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.GroupConvertor;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.MeterConvertor;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.PortConvertor;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.TableFeaturesConvertor;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchReactor;
+import org.opendaylight.openflowplugin.openflow.md.util.FlowCreatorUtil;
+import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAdded;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAddedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemovedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowUpdated;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowUpdatedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlow;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlow;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowStatisticsFromFlowTableInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowStatisticsFromFlowTableOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowStatisticsFromFlowTableOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.port.Port;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupAdded;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupAddedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupRemoved;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupRemovedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupUpdated;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.GroupUpdatedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Group;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterAdded;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterAddedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterRemoved;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterRemovedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterUpdated;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.MeterUpdatedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.Meter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.SetConfigInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.SetConfigOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.SetConfigOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.SwitchConfigFlag;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MeterModInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortModInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortModInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.SetConfigInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregateCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestFlowCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupDescCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupFeaturesCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterConfigCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterFeaturesCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortStatsCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestQueueCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableFeaturesCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.flow._case.MultipartRequestFlowBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.group._case.MultipartRequestGroupBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.meter._case.MultipartRequestMeterBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.meter.config._case.MultipartRequestMeterConfigBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.port.stats._case.MultipartRequestPortStatsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.queue._case.MultipartRequestQueueBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table._case.MultipartRequestTableBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.MultipartRequestTableFeaturesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.multipart.request.table.features.TableFeatures;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.service.rev131107.UpdatePortInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.service.rev131107.UpdatePortOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetNodeConnectorStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetNodeConnectorStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetNodeConnectorStatisticsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromGivenPortInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromGivenPortOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromGivenPortOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutputBuilder;
+import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
 import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.util.concurrent.AsyncFunction;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.JdkFutureAdapters;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.SettableFuture;
 
 /**
  *
  */
 public abstract class OFRpcTaskFactory {
+    protected static final Logger LOG = LoggerFactory.getLogger(OFRpcTaskFactory.class);
 
+    private OFRpcTaskFactory() {
+        // hiding implicit constructor
+    }
+    
     /**
-     * @param maxTimeout
-     * @param maxTimeoutUnit
-     * @param helper
+     * @param taskContext
+     * @param input
+     * @param cookie
      * @return UpdateFlow task
      */
     public static OFRpcTask<AddFlowInput, RpcResult<UpdateFlowOutput>> createAddFlowTask(
-            final long maxTimeout, final TimeUnit maxTimeoutUnit, final OFRpcTaskHelper helper) {
-        OFRpcTask<AddFlowInput, RpcResult<UpdateFlowOutput>> task =
-                new OFRpcTask<AddFlowInput, RpcResult<UpdateFlowOutput>>() {
+            OFRpcTaskContext taskContext, AddFlowInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<AddFlowInput, RpcResult<UpdateFlowOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie, AddFlowInput input) {
+                super(taskContext, cookie, input);
+            }
 
             @Override
-            public void run() {
-                helper.rawBarrierSend(maxTimeout, maxTimeoutUnit, getInput().isBarrier(), getCookie(), getResult());
-                if (getResult().isDone()) {
-                    return;
-                }
+            public ListenableFuture<RpcResult<UpdateFlowOutput>> call() {
+                ListenableFuture<RpcResult<UpdateFlowOutput>> result = SettableFuture.create();
 
                 // Convert the AddFlowInput to FlowModInput
-                FlowModInputBuilder ofFlowModInput = FlowConvertor.toFlowModInput(getInput(),
+                List<FlowModInputBuilder> ofFlowModInputs = FlowConvertor.toFlowModInputs(getInput(),
                         getVersion(), getSession().getFeatures().getDatapathId());
-                Long xId = getSession().getNextXid();
-                ofFlowModInput.setXid(xId);
+                LOG.debug("Number of flows to push to switch: {}", ofFlowModInputs.size());
+                result = chainFlowMods(ofFlowModInputs, 0, getTaskContext(), getCookie());
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(),
+                        createFlowAddedNotification(getInput()));
+                return result;
+            }
 
-                if (null != getRpcNotificationProviderService()) {
-                    FlowAddedBuilder newFlow = new FlowAddedBuilder(
-                            (org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow) getInput());
-                    newFlow.setTransactionId(new TransactionId(BigInteger.valueOf(xId.intValue())));
-                    newFlow.setFlowRef(getInput().getFlowRef());
-                    getRpcNotificationProviderService().publish(newFlow.build());
-                }
+            @Override
+            public Boolean isBarrier() {
+                return getInput().isBarrier();
+            }
+        }
 
-                getSession().getbulkTransactionCache().put(new TransactionKey(xId), getInput());
-                Future<RpcResult<UpdateFlowOutput>> resultFromOFLib =
-                        getMessageService().flowMod(ofFlowModInput.build(), getCookie());
-                OFRpcTaskHelper.chainFutures(resultFromOFLib, getResult());
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * Recursive helper method for {@link OFRpcTaskFactory#createAddFlowTask()}
+     * and {@link OFRpcTaskFactory#createUpdateFlowTask()} to chain results
+     * of multiple flowmods.
+     * The next flowmod gets executed if the earlier one is successful.
+     * All the flowmods should have the same xid, in-order to cross-reference
+     * the notification
+     */
+    protected static ListenableFuture<RpcResult<UpdateFlowOutput>> chainFlowMods(
+            final List<FlowModInputBuilder> ofFlowModInputs, final int index,
+            final OFRpcTaskContext taskContext, final SwitchConnectionDistinguisher cookie) {
+
+        Future<RpcResult<UpdateFlowOutput>> resultFromOFLib =
+                createResultForFlowMod(taskContext, ofFlowModInputs.get(index), cookie);
+
+        ListenableFuture<RpcResult<UpdateFlowOutput>> result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+        if (ofFlowModInputs.size() > index + 1) {
+            // there are more flowmods to chain
+            return Futures.transform(result,
+                    new AsyncFunction<RpcResult<UpdateFlowOutput>, RpcResult<UpdateFlowOutput>>() {
+                        @Override
+                        public ListenableFuture<RpcResult<UpdateFlowOutput>> apply(RpcResult<UpdateFlowOutput> input) throws Exception {
+                            if (input.isSuccessful()) {
+                                return chainFlowMods(ofFlowModInputs, index + 1, taskContext, cookie);
+                            } else {
+                                LOG.warn("Flowmod failed. Any chained flowmods are ignored. xid:{}",
+                                        ofFlowModInputs.get(index).getXid());
+                                return Futures.immediateFuture(input);
+                            }
+                        }
+                    }
+            );
+        } else {
+            return result;
+        }
+    }
+
+    private static Future<RpcResult<UpdateFlowOutput>> createResultForFlowMod(
+            OFRpcTaskContext taskContext, FlowModInputBuilder flowModInput,
+            SwitchConnectionDistinguisher cookie) {
+        flowModInput.setXid(taskContext.getSession().getNextXid());
+        return taskContext.getMessageService().flowMod(flowModInput.build(), cookie);
+    }
+
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<FlowAdded> createFlowAddedNotification(
+            final AddFlowInput input) {
+        return new NotificationComposer<FlowAdded>() {
+            @Override
+            public FlowAdded compose(TransactionId tXid) {
+                FlowAddedBuilder newFlow = new FlowAddedBuilder((Flow) input);
+                newFlow.setTransactionId(tXid);
+                newFlow.setFlowRef(input.getFlowRef());
+                return newFlow.build();
             }
         };
-        return task;
     }
 
     /**
-     * @param maxTimeout
-     * @param maxTimeoutUnit
-     * @param helper
+     * @param taskContext
+     * @param input
+     * @param cookie
      * @return UpdateFlow task
      */
     public static OFRpcTask<UpdateFlowInput, RpcResult<UpdateFlowOutput>> createUpdateFlowTask(
-            final long maxTimeout, final TimeUnit maxTimeoutUnit, final OFRpcTaskHelper helper) {
-        OFRpcTask<UpdateFlowInput, RpcResult<UpdateFlowOutput>> task =
-                new OFRpcTask<UpdateFlowInput, RpcResult<UpdateFlowOutput>>() {
+            final OFRpcTaskContext taskContext, UpdateFlowInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<UpdateFlowInput, RpcResult<UpdateFlowOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    UpdateFlowInput input) {
+                super(taskContext, cookie, input);
+            }
 
             @Override
-            public void run() {
-                helper.rawBarrierSend(maxTimeout, maxTimeoutUnit, getInput().getUpdatedFlow().isBarrier(), getCookie(), getResult());
-                if (getResult().isDone()) {
-                    return;
+            public ListenableFuture<RpcResult<UpdateFlowOutput>> call() {
+                ListenableFuture<RpcResult<UpdateFlowOutput>> result = null;
+
+                UpdateFlowInput in = getInput();
+                UpdatedFlow updated = in.getUpdatedFlow();
+                OriginalFlow original = in.getOriginalFlow();
+                Short version = getVersion();
+
+                List<FlowModInputBuilder> allFlowMods = new ArrayList<>();
+                List<FlowModInputBuilder> ofFlowModInputs;
+
+                if (!FlowCreatorUtil.canModifyFlow(original, updated, version)) {
+                    // We would need to remove original and add updated.
+
+                    //remove flow
+                    RemoveFlowInputBuilder removeflow = new RemoveFlowInputBuilder(original);
+                    List<FlowModInputBuilder> ofFlowRemoveInput = FlowConvertor.toFlowModInputs(removeflow.build(),
+                            version, getSession().getFeatures().getDatapathId());
+                    // remove flow should be the first
+                    allFlowMods.addAll(ofFlowRemoveInput);
+                    AddFlowInputBuilder addFlowInputBuilder = new AddFlowInputBuilder(updated);
+                    ofFlowModInputs = FlowConvertor.toFlowModInputs(addFlowInputBuilder.build(),
+                            version, getSession().getFeatures().getDatapathId());
+                } else {
+                    ofFlowModInputs = FlowConvertor.toFlowModInputs(updated,
+                            version, getSession().getFeatures().getDatapathId());
                 }
 
+                allFlowMods.addAll(ofFlowModInputs);
+                LOG.debug("Number of flows to push to switch: {}", allFlowMods.size());
+                result = chainFlowMods(allFlowMods, 0, getTaskContext(), getCookie());
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(),
+                        createFlowUpdatedNotification(in));
+                return result;
+            }
+
+            @Override
+            public Boolean isBarrier() {
+                return getInput().getUpdatedFlow().isBarrier();
+            }
+        }
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+
+    /**
+     * @param xId
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<FlowUpdated> createFlowUpdatedNotification(final UpdateFlowInput input) {
+        return new NotificationComposer<FlowUpdated>() {
+            @Override
+            public FlowUpdated compose(TransactionId tXid) {
+                FlowUpdatedBuilder updFlow = new FlowUpdatedBuilder(input.getUpdatedFlow());
+                updFlow.setTransactionId(tXid);
+                updFlow.setFlowRef(input.getFlowRef());
+                return updFlow.build();
+            }
+        };
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return update group task
+     */
+    public static OFRpcTask<AddGroupInput, RpcResult<UpdateGroupOutput>> createAddGroupTask(
+            final OFRpcTaskContext taskContext, AddGroupInput input,
+            final SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<AddGroupInput, RpcResult<UpdateGroupOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie, AddGroupInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateGroupOutput>> call() {
+                ListenableFuture<RpcResult<UpdateGroupOutput>> result = SettableFuture.create();
+
+                // Convert the AddGroupInput to GroupModInput
+                GroupModInputBuilder ofGroupModInput = GroupConvertor.toGroupModInput(getInput(),
+                        getVersion(), getSession().getFeatures().getDatapathId());
+                final Long xId = getSession().getNextXid();
+                ofGroupModInput.setXid(xId);
+
+                Future<RpcResult<UpdateGroupOutput>> resultFromOFLib = getMessageService()
+                        .groupMod(ofGroupModInput.build(), getCookie());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createGroupAddedNotification(getInput()));
+
+                return result;
+            }
+
+            @Override
+            public Boolean isBarrier() {
+                return getInput().isBarrier();
+            }
+        };
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<GroupAdded> createGroupAddedNotification(
+            final AddGroupInput input) {
+        return new NotificationComposer<GroupAdded>() {
+            @Override
+            public GroupAdded compose(TransactionId tXid) {
+                GroupAddedBuilder groupMod = new GroupAddedBuilder((Group) input);
+                groupMod.setTransactionId(tXid);
+                groupMod.setGroupRef(input.getGroupRef());
+                return groupMod.build();
+            }
+        };
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return update meter task
+     */
+    public static OFRpcTask<AddMeterInput, RpcResult<UpdateMeterOutput>> createAddMeterTask(
+            OFRpcTaskContext taskContext, AddMeterInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<AddMeterInput, RpcResult<UpdateMeterOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie, AddMeterInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateMeterOutput>> call() {
+                ListenableFuture<RpcResult<UpdateMeterOutput>> result = SettableFuture.create();
+
+                // Convert the AddGroupInput to GroupModInput
+                MeterModInputBuilder ofMeterModInput = MeterConvertor.toMeterModInput(getInput(), getVersion());
+                final Long xId = getSession().getNextXid();
+                ofMeterModInput.setXid(xId);
+
+                Future<RpcResult<UpdateMeterOutput>> resultFromOFLib = getMessageService()
+                        .meterMod(ofMeterModInput.build(), getCookie());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createMeterAddedNotification(getInput()));
+
+                return result;
+            }
+
+            @Override
+            public Boolean isBarrier() {
+                return getInput().isBarrier();
+            }
+        };
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<MeterAdded> createMeterAddedNotification(
+            final AddMeterInput input) {
+        return new NotificationComposer<MeterAdded>() {
+            @Override
+            public MeterAdded compose(TransactionId tXid) {
+                MeterAddedBuilder meterMod = new MeterAddedBuilder((Meter) input);
+                meterMod.setTransactionId(tXid);
+                meterMod.setMeterRef(input.getMeterRef());
+                return meterMod.build();
+            }
+        };
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return UpdateFlow task
+     */
+    public static OFRpcTask<UpdateGroupInput, RpcResult<UpdateGroupOutput>> createUpdateGroupTask(
+            OFRpcTaskContext taskContext, UpdateGroupInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<UpdateGroupInput, RpcResult<UpdateGroupOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    UpdateGroupInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateGroupOutput>> call() {
+                ListenableFuture<RpcResult<UpdateGroupOutput>> result = null;
+
+                // Convert the UpdateGroupInput to GroupModInput
+                GroupModInputBuilder ofGroupModInput = GroupConvertor.toGroupModInput(
+                        getInput().getUpdatedGroup(), getVersion(),
+                        getSession().getFeatures().getDatapathId());
+                final Long xId = getSession().getNextXid();
+                ofGroupModInput.setXid(xId);
+
+                Future<RpcResult<UpdateGroupOutput>> resultFromOFLib =
+                        getMessageService().groupMod(ofGroupModInput.build(), getCookie());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createGroupUpdatedNotification(getInput()));
+
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<GroupUpdated> createGroupUpdatedNotification(
+            final UpdateGroupInput input) {
+        return new NotificationComposer<GroupUpdated>() {
+            @Override
+            public GroupUpdated compose(TransactionId tXid) {
+                GroupUpdatedBuilder groupMod = new GroupUpdatedBuilder(input.getUpdatedGroup());
+                groupMod.setTransactionId(tXid);
+                groupMod.setGroupRef(input.getGroupRef());
+                return groupMod.build();
+            }
+        };
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return update meter task
+     */
+    public static OFRpcTask<UpdateMeterInput, RpcResult<UpdateMeterOutput>> createUpdateMeterTask(
+            OFRpcTaskContext taskContext, UpdateMeterInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<UpdateMeterInput, RpcResult<UpdateMeterOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    UpdateMeterInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateMeterOutput>> call() {
+                ListenableFuture<RpcResult<UpdateMeterOutput>> result = null;
+
+                // Convert the UpdateMeterInput to MeterModInput
+                MeterModInputBuilder ofMeterModInput = MeterConvertor.toMeterModInput(
+                        getInput().getUpdatedMeter(), getVersion());
+                final Long xId = getSession().getNextXid();
+                ofMeterModInput.setXid(xId);
+
+                Future<RpcResult<UpdateMeterOutput>> resultFromOFLib =
+                        getMessageService().meterMod(ofMeterModInput.build(), getCookie());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createMeterUpdatedNotification(getInput()));
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<MeterUpdated> createMeterUpdatedNotification(
+            final UpdateMeterInput input) {
+        return new NotificationComposer<MeterUpdated>() {
+            @Override
+            public MeterUpdated compose(TransactionId tXid) {
+                MeterUpdatedBuilder meterMod = new MeterUpdatedBuilder(input.getUpdatedMeter());
+                meterMod.setTransactionId(tXid);
+                meterMod.setMeterRef(input.getMeterRef());
+                return meterMod.build();
+            }
+        };
+    }
+
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<RemoveFlowInput, RpcResult<UpdateFlowOutput>> createRemoveFlowTask(
+            OFRpcTaskContext taskContext, RemoveFlowInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<RemoveFlowInput, RpcResult<UpdateFlowOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    RemoveFlowInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateFlowOutput>> call() {
+                ListenableFuture<RpcResult<UpdateFlowOutput>> result = SettableFuture.create();
+
                 // Convert the AddFlowInput to FlowModInput
-                FlowModInputBuilder ofFlowModInput = FlowConvertor.toFlowModInput(getInput().getUpdatedFlow(),
+                FlowModInputBuilder ofFlowModInput = FlowConvertor.toFlowModInput(getInput(),
                         getVersion(), getSession().getFeatures().getDatapathId());
-                Long xId = getSession().getNextXid();
+                final Long xId = getSession().getNextXid();
                 ofFlowModInput.setXid(xId);
 
-                if (null != getRpcNotificationProviderService()) {
-                    FlowAddedBuilder newFlow = new FlowAddedBuilder(getInput().getUpdatedFlow());
-                    newFlow.setTransactionId(new TransactionId(BigInteger.valueOf(xId.intValue())));
-                    newFlow.setFlowRef(getInput().getFlowRef());
-                    getRpcNotificationProviderService().publish(newFlow.build());
-                }
-
-                getSession().getbulkTransactionCache().put(new TransactionKey(xId), getInput());
                 Future<RpcResult<UpdateFlowOutput>> resultFromOFLib =
                         getMessageService().flowMod(ofFlowModInput.build(), getCookie());
-                OFRpcTaskHelper.chainFutures(resultFromOFLib, getResult());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createFlowRemovedNotification(getInput()));
+
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<FlowRemoved> createFlowRemovedNotification(
+            final RemoveFlowInput input) {
+        return new NotificationComposer<FlowRemoved>() {
+            @Override
+            public FlowRemoved compose(TransactionId tXid) {
+                FlowRemovedBuilder removedFlow = new FlowRemovedBuilder((Flow) input);
+                removedFlow.setTransactionId(tXid);
+                removedFlow.setFlowRef(input.getFlowRef());
+                return removedFlow.build();
+            }
+        };
+    }
+
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<RemoveGroupInput, RpcResult<UpdateGroupOutput>> createRemoveGroupTask(
+            final OFRpcTaskContext taskContext, RemoveGroupInput input,
+            final SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<RemoveGroupInput, RpcResult<UpdateGroupOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    RemoveGroupInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateGroupOutput>> call() {
+                ListenableFuture<RpcResult<UpdateGroupOutput>> result = SettableFuture.create();
+
+                // Convert the AddGroupInput to GroupModInput
+                GroupModInputBuilder ofGroupModInput = GroupConvertor.toGroupModInput(getInput(),
+                        getVersion(), getSession().getFeatures().getDatapathId());
+                final Long xId = getSession().getNextXid();
+                ofGroupModInput.setXid(xId);
+
+                Future<RpcResult<UpdateGroupOutput>> resultFromOFLib = getMessageService()
+                        .groupMod(ofGroupModInput.build(), getCookie());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createGroupRemovedNotification(getInput()));
+
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<GroupRemoved> createGroupRemovedNotification(
+            final RemoveGroupInput input) {
+        return new NotificationComposer<GroupRemoved>() {
+            @Override
+            public GroupRemoved compose(TransactionId tXid) {
+                GroupRemovedBuilder removedGroup = new GroupRemovedBuilder((Group) input);
+                removedGroup.setTransactionId(tXid);
+                removedGroup.setGroupRef(input.getGroupRef());
+                return removedGroup.build();
+            }
+        };
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<RemoveMeterInput, RpcResult<UpdateMeterOutput>> createRemoveMeterTask(
+            OFRpcTaskContext taskContext, RemoveMeterInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<RemoveMeterInput, RpcResult<UpdateMeterOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    RemoveMeterInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateMeterOutput>> call() {
+                ListenableFuture<RpcResult<UpdateMeterOutput>> result = SettableFuture.create();
+
+                // Convert the AddGroupInput to GroupModInput
+                MeterModInputBuilder ofMeterModInput = MeterConvertor.toMeterModInput(getInput(), getVersion());
+                final Long xId = getSession().getNextXid();
+                ofMeterModInput.setXid(xId);
+
+                Future<RpcResult<UpdateMeterOutput>> resultFromOFLib = getMessageService()
+                        .meterMod(ofMeterModInput.build(), getCookie());
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                result = OFRpcTaskUtil.chainFutureBarrier(this, result);
+                OFRpcTaskUtil.hookFutureNotification(this, result,
+                        getRpcNotificationProviderService(), createMeterRemovedNotification(getInput()));
+
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+
+    }
+
+    /**
+     * @param input
+     * @return
+     */
+    protected static NotificationComposer<MeterRemoved> createMeterRemovedNotification(
+            final RemoveMeterInput input) {
+        return new NotificationComposer<MeterRemoved>() {
+            @Override
+            public MeterRemoved compose(TransactionId tXid) {
+                MeterRemovedBuilder meterRemoved = new MeterRemovedBuilder((Meter) input);
+                meterRemoved.setTransactionId(tXid);
+                meterRemoved.setMeterRef(input.getMeterRef());
+                return meterRemoved.build();
             }
         };
-        return task;
     }
 
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllGroupStatisticsInput, RpcResult<GetAllGroupStatisticsOutput>> createGetAllGroupStatisticsTask(
+            final OFRpcTaskContext taskContext, GetAllGroupStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetAllGroupStatisticsInput, RpcResult<GetAllGroupStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllGroupStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllGroupStatisticsOutput>> call() {
+                final SettableFuture<RpcResult<GetAllGroupStatisticsOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetAllGroupStatisticsOutput> rpcResult = RpcResultBuilder.success(
+                            new GetAllGroupStatisticsOutputBuilder().build()).build();
+
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+
+                    // Generate xid to associate it with the request
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    // Create multipart request body for fetch all the group stats
+                    MultipartRequestGroupCaseBuilder caseBuilder = new MultipartRequestGroupCaseBuilder();
+                    MultipartRequestGroupBuilder mprGroupBuild = new MultipartRequestGroupBuilder();
+                    mprGroupBuild.setGroupId(new GroupId(BinContent.intToUnsignedLong(
+                            org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731
+                                    .Group.OFPGALL.getIntValue())));
+                    caseBuilder.setMultipartRequestGroup(mprGroupBuild.build());
+
+                    // Create multipart request header
+                    MultipartRequestInputBuilder mprInput = createMultipartHeader(MultipartType.OFPMPGROUP,
+                            taskContext, xid);
+
+                    // Set request body to main multipart request
+                    mprInput.setMultipartRequestBody(caseBuilder.build());
+
+                    // Send the request, no cookies associated, use any connection
+
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetAllGroupStatisticsOutput>(result) {
+                        @Override
+                        public GetAllGroupStatisticsOutput createResult() {
+                            GetAllGroupStatisticsOutputBuilder groupStatBuilder = new GetAllGroupStatisticsOutputBuilder()
+                                    .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return groupStatBuilder.build();
+                        }
+                    });
+
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetGroupDescriptionInput, RpcResult<GetGroupDescriptionOutput>> createGetGroupDescriptionTask(
+            final OFRpcTaskContext taskContext, GetGroupDescriptionInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetGroupDescriptionInput, RpcResult<GetGroupDescriptionOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetGroupDescriptionInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetGroupDescriptionOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetGroupDescriptionOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetGroupDescriptionOutput> rpcResult = RpcResultBuilder.success(
+                            new GetGroupDescriptionOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestGroupDescCaseBuilder mprGroupDescCaseBuild =
+                            new MultipartRequestGroupDescCaseBuilder();
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPGROUPDESC, taskContext, xid);
+                    mprInput.setMultipartRequestBody(mprGroupDescCaseBuild.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetGroupDescriptionOutput>(result) {
+                        @Override
+                        public GetGroupDescriptionOutput createResult() {
+                            GetGroupDescriptionOutputBuilder groupStatBuilder = new GetGroupDescriptionOutputBuilder()
+                                    .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return groupStatBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetGroupFeaturesInput, RpcResult<GetGroupFeaturesOutput>> createGetGroupFeaturesTask(
+            final OFRpcTaskContext taskContext, GetGroupFeaturesInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetGroupFeaturesInput, RpcResult<GetGroupFeaturesOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetGroupFeaturesInput input) {
+                super(taskContext, cookie, input);
+                // TODO Auto-generated constructor stub
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetGroupFeaturesOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetGroupFeaturesOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetGroupFeaturesOutput> rpcResult = RpcResultBuilder.success(
+                            new GetGroupFeaturesOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestGroupFeaturesCaseBuilder mprGroupFeaturesBuild =
+                            new MultipartRequestGroupFeaturesCaseBuilder();
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPGROUPFEATURES, taskContext, xid);
+                    mprInput.setMultipartRequestBody(mprGroupFeaturesBuild.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetGroupFeaturesOutput>(result) {
+                        @Override
+                        public GetGroupFeaturesOutput createResult() {
+                            GetGroupFeaturesOutputBuilder groupFeatureBuilder = new GetGroupFeaturesOutputBuilder()
+                                    .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return groupFeatureBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetGroupStatisticsInput, RpcResult<GetGroupStatisticsOutput>> createGetGroupStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetGroupStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetGroupStatisticsInput, RpcResult<GetGroupStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetGroupStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetGroupStatisticsOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetGroupStatisticsOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetGroupStatisticsOutput> rpcResult = RpcResultBuilder.success(
+                            new GetGroupStatisticsOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestGroupCaseBuilder caseBuilder = new MultipartRequestGroupCaseBuilder();
+                    MultipartRequestGroupBuilder mprGroupBuild = new MultipartRequestGroupBuilder();
+                    mprGroupBuild.setGroupId(new GroupId(input.getGroupId().getValue()));
+                    caseBuilder.setMultipartRequestGroup(mprGroupBuild.build());
+
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPGROUP, taskContext, xid);
+                    mprInput.setMultipartRequestBody(caseBuilder.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetGroupStatisticsOutput>(result) {
+                        @Override
+                        public GetGroupStatisticsOutput createResult() {
+                            GetGroupStatisticsOutputBuilder groupStatisticsBuilder =
+                                    new GetGroupStatisticsOutputBuilder()
+                                            .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return groupStatisticsBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllMeterConfigStatisticsInput, RpcResult<GetAllMeterConfigStatisticsOutput>> createGetAllMeterConfigStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetAllMeterConfigStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAllMeterConfigStatisticsInput, RpcResult<GetAllMeterConfigStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllMeterConfigStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllMeterConfigStatisticsOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetAllMeterConfigStatisticsOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetAllMeterConfigStatisticsOutput> rpcResult = RpcResultBuilder.success(
+                            new GetAllMeterConfigStatisticsOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestMeterConfigCaseBuilder caseBuilder =
+                            new MultipartRequestMeterConfigCaseBuilder();
+                    MultipartRequestMeterConfigBuilder mprMeterConfigBuild =
+                            new MultipartRequestMeterConfigBuilder();
+                    mprMeterConfigBuild.setMeterId(new MeterId(BinContent.intToUnsignedLong(
+                            org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common
+                                    .types.rev130731.Meter.OFPMALL.getIntValue())));
+                    caseBuilder.setMultipartRequestMeterConfig(mprMeterConfigBuild.build());
+
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPMETERCONFIG, taskContext, xid);
+                    mprInput.setMultipartRequestBody(caseBuilder.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetAllMeterConfigStatisticsOutput>(result) {
+                        @Override
+                        public GetAllMeterConfigStatisticsOutput createResult() {
+                            GetAllMeterConfigStatisticsOutputBuilder allMeterConfStatBuilder =
+                                    new GetAllMeterConfigStatisticsOutputBuilder()
+                                            .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return allMeterConfStatBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllMeterStatisticsInput, RpcResult<GetAllMeterStatisticsOutput>> createGetAllMeterStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetAllMeterStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAllMeterStatisticsInput, RpcResult<GetAllMeterStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllMeterStatisticsInput input) {
+                super(taskContext, cookie, input);
+                // TODO Auto-generated constructor stub
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllMeterStatisticsOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetAllMeterStatisticsOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetAllMeterStatisticsOutput> rpcResult = RpcResultBuilder.success(
+                            new GetAllMeterStatisticsOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestMeterCaseBuilder caseBuilder =
+                            new MultipartRequestMeterCaseBuilder();
+                    MultipartRequestMeterBuilder mprMeterBuild =
+                            new MultipartRequestMeterBuilder();
+                    mprMeterBuild.setMeterId(new MeterId(BinContent.intToUnsignedLong(
+                            org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common
+                                    .types.rev130731.Meter.OFPMALL.getIntValue())));
+                    caseBuilder.setMultipartRequestMeter(mprMeterBuild.build());
+
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPMETER, taskContext, xid);
+                    mprInput.setMultipartRequestBody(caseBuilder.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetAllMeterStatisticsOutput>(result) {
+                        @Override
+                        public GetAllMeterStatisticsOutput createResult() {
+                            GetAllMeterStatisticsOutputBuilder allMeterStatBuilder =
+                                    new GetAllMeterStatisticsOutputBuilder()
+                                            .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return allMeterStatBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetMeterFeaturesInput, RpcResult<GetMeterFeaturesOutput>> createGetMeterFeaturesTask(
+            final OFRpcTaskContext taskContext, final GetMeterFeaturesInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetMeterFeaturesInput, RpcResult<GetMeterFeaturesOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetMeterFeaturesInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetMeterFeaturesOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetMeterFeaturesOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetMeterFeaturesOutput> rpcResult = RpcResultBuilder.success(
+                            new GetMeterFeaturesOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestMeterFeaturesCaseBuilder mprMeterFeaturesBuild =
+                            new MultipartRequestMeterFeaturesCaseBuilder();
+
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPMETERFEATURES, taskContext, xid);
+                    mprInput.setMultipartRequestBody(mprMeterFeaturesBuild.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetMeterFeaturesOutput>(result) {
+                        @Override
+                        public GetMeterFeaturesOutput createResult() {
+                            GetMeterFeaturesOutputBuilder meterFeaturesBuilder =
+                                    new GetMeterFeaturesOutputBuilder()
+                                            .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return meterFeaturesBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetMeterStatisticsInput, RpcResult<GetMeterStatisticsOutput>> createGetMeterStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetMeterStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetMeterStatisticsInput, RpcResult<GetMeterStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetMeterStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetMeterStatisticsOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetMeterStatisticsOutput>> result = SettableFuture.create();
+
+                if (taskContext.getSession().getPrimaryConductor().getVersion() == OFConstants.OFP_VERSION_1_0) {
+                    RpcResult<GetMeterStatisticsOutput> rpcResult = RpcResultBuilder.success(
+                            new GetMeterStatisticsOutputBuilder().build()).build();
+                    return Futures.immediateFuture(rpcResult);
+                } else {
+                    final Long xid = taskContext.getSession().getNextXid();
+
+                    MultipartRequestMeterCaseBuilder caseBuilder =
+                            new MultipartRequestMeterCaseBuilder();
+                    MultipartRequestMeterBuilder mprMeterBuild =
+                            new MultipartRequestMeterBuilder();
+                    mprMeterBuild.setMeterId(new MeterId(input.getMeterId().getValue()));
+                    caseBuilder.setMultipartRequestMeter(mprMeterBuild.build());
+
+                    MultipartRequestInputBuilder mprInput =
+                            createMultipartHeader(MultipartType.OFPMPMETER, taskContext, xid);
+                    mprInput.setMultipartRequestBody(caseBuilder.build());
+                    Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                            .multipartRequest(mprInput.build(), getCookie());
+                    ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                    Futures.addCallback(resultLib, new ResultCallback<GetMeterStatisticsOutput>(result) {
+                        @Override
+                        public GetMeterStatisticsOutput createResult() {
+                            GetMeterStatisticsOutputBuilder meterStatBuilder =
+                                    new GetMeterStatisticsOutputBuilder()
+                                            .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                            return meterStatBuilder.build();
+                        }
+                    });
+                    return result;
+                }
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllNodeConnectorsStatisticsInput, RpcResult<GetAllNodeConnectorsStatisticsOutput>>
+    createGetAllNodeConnectorsStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetAllNodeConnectorsStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAllNodeConnectorsStatisticsInput, RpcResult<GetAllNodeConnectorsStatisticsOutput>> { 
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllNodeConnectorsStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllNodeConnectorsStatisticsOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetAllNodeConnectorsStatisticsOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestPortStatsCaseBuilder caseBuilder =
+                        new MultipartRequestPortStatsCaseBuilder();
+                MultipartRequestPortStatsBuilder mprPortStatsBuilder =
+                        new MultipartRequestPortStatsBuilder();
+                // Select all ports
+                mprPortStatsBuilder.setPortNo(OFConstants.OFPP_ANY);
+                caseBuilder.setMultipartRequestPortStats(mprPortStatsBuilder.build());
+
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPPORTSTATS, taskContext, xid);
+                mprInput.setMultipartRequestBody(caseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAllNodeConnectorsStatisticsOutput>(result) {
+                    @Override
+                    public GetAllNodeConnectorsStatisticsOutput createResult() {
+                        GetAllNodeConnectorsStatisticsOutputBuilder allNodeConnectorStatBuilder =
+                                new GetAllNodeConnectorsStatisticsOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return allNodeConnectorStatBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetNodeConnectorStatisticsInput, RpcResult<GetNodeConnectorStatisticsOutput>>
+    createGetNodeConnectorStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetNodeConnectorStatisticsInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetNodeConnectorStatisticsInput, RpcResult<GetNodeConnectorStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetNodeConnectorStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetNodeConnectorStatisticsOutput>> call()
+                    throws Exception {
+                final SettableFuture<RpcResult<GetNodeConnectorStatisticsOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestPortStatsCaseBuilder caseBuilder =
+                        new MultipartRequestPortStatsCaseBuilder();
+                MultipartRequestPortStatsBuilder mprPortStatsBuilder =
+                        new MultipartRequestPortStatsBuilder();
+                // Set specific port
+                mprPortStatsBuilder
+                        .setPortNo(InventoryDataServiceUtil.portNumberfromNodeConnectorId(
+                                OpenflowVersion.get(taskContext.getSession().getFeatures().getVersion()),
+                                input.getNodeConnectorId()));
+                caseBuilder.setMultipartRequestPortStats(mprPortStatsBuilder.build());
+
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPPORTSTATS, taskContext, xid);
+                mprInput.setMultipartRequestBody(caseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetNodeConnectorStatisticsOutput>(result) {
+                    @Override
+                    public GetNodeConnectorStatisticsOutput createResult() {
+                        GetNodeConnectorStatisticsOutputBuilder allNodeConnectorStatBuilder =
+                                new GetNodeConnectorStatisticsOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return allNodeConnectorStatBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllFlowStatisticsFromFlowTableInput, RpcResult<GetAllFlowStatisticsFromFlowTableOutput>>
+    createGetAllFlowStatisticsFromFlowTableTask(
+            final OFRpcTaskContext taskContext,
+            final GetAllFlowStatisticsFromFlowTableInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAllFlowStatisticsFromFlowTableInput, RpcResult<GetAllFlowStatisticsFromFlowTableOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllFlowStatisticsFromFlowTableInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllFlowStatisticsFromFlowTableOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetAllFlowStatisticsFromFlowTableOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestFlowBuilder mprFlowRequestBuilder = new MultipartRequestFlowBuilder();
+                mprFlowRequestBuilder.setTableId(input.getTableId().getValue());
+                mprFlowRequestBuilder.setOutPort(OFConstants.OFPP_ANY);
+                mprFlowRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
+                mprFlowRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
+                mprFlowRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
+                FlowCreatorUtil.setWildcardedFlowMatch(taskContext.getSession()
+                        .getPrimaryConductor().getVersion(), mprFlowRequestBuilder);
+
+                MultipartRequestFlowCaseBuilder multipartRequestFlowCaseBuilder = new MultipartRequestFlowCaseBuilder();
+                multipartRequestFlowCaseBuilder.setMultipartRequestFlow(mprFlowRequestBuilder.build());
+
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPFLOW, taskContext, xid);
+                mprInput.setMultipartRequestBody(multipartRequestFlowCaseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAllFlowStatisticsFromFlowTableOutput>(result) {
+                    @Override
+                    public GetAllFlowStatisticsFromFlowTableOutput createResult() {
+                        GetAllFlowStatisticsFromFlowTableOutputBuilder allFlowStatsFromFlowTableBuilder =
+                                new GetAllFlowStatisticsFromFlowTableOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return allFlowStatsFromFlowTableBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllFlowsStatisticsFromAllFlowTablesInput, RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>>
+    createGetAllFlowsStatisticsFromAllFlowTablesTask(
+            final OFRpcTaskContext taskContext,
+            final GetAllFlowsStatisticsFromAllFlowTablesInput input,
+            SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAllFlowsStatisticsFromAllFlowTablesInput,
+                RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllFlowsStatisticsFromAllFlowTablesInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                // Create multipart request body for fetch all the group stats
+                MultipartRequestFlowCaseBuilder multipartRequestFlowCaseBuilder =
+                        new MultipartRequestFlowCaseBuilder();
+                MultipartRequestFlowBuilder mprFlowRequestBuilder =
+                        new MultipartRequestFlowBuilder();
+                mprFlowRequestBuilder.setTableId(OFConstants.OFPTT_ALL);
+                mprFlowRequestBuilder.setOutPort(OFConstants.OFPP_ANY);
+                mprFlowRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
+                mprFlowRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
+                mprFlowRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
+                FlowCreatorUtil.setWildcardedFlowMatch(taskContext.getSession()
+                        .getPrimaryConductor().getVersion(), mprFlowRequestBuilder);
+
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPFLOW, taskContext, xid);
+                multipartRequestFlowCaseBuilder.setMultipartRequestFlow(mprFlowRequestBuilder.build());
+                mprInput.setMultipartRequestBody(multipartRequestFlowCaseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAllFlowsStatisticsFromAllFlowTablesOutput>(result) {
+                    @Override
+                    public GetAllFlowsStatisticsFromAllFlowTablesOutput createResult() {
+                        GetAllFlowsStatisticsFromAllFlowTablesOutputBuilder allFlowStatsFromAllFlowTableBuilder =
+                                new GetAllFlowsStatisticsFromAllFlowTablesOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return allFlowStatsFromAllFlowTableBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetFlowStatisticsFromFlowTableInput, RpcResult<GetFlowStatisticsFromFlowTableOutput>>
+    createGetFlowStatisticsFromFlowTableTask(
+            final OFRpcTaskContext taskContext,
+            final GetFlowStatisticsFromFlowTableInput input, SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetFlowStatisticsFromFlowTableInput, RpcResult<GetFlowStatisticsFromFlowTableOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetFlowStatisticsFromFlowTableInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetFlowStatisticsFromFlowTableOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetFlowStatisticsFromFlowTableOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                // Create multipart request body for fetch all the group stats
+                MultipartRequestFlowCaseBuilder multipartRequestFlowCaseBuilder = new MultipartRequestFlowCaseBuilder();
+                MultipartRequestFlowBuilder mprFlowRequestBuilder = new MultipartRequestFlowBuilder();
+                mprFlowRequestBuilder.setTableId(input.getTableId());
+
+                if (input.getOutPort() != null) {
+                    mprFlowRequestBuilder.setOutPort(input.getOutPort().longValue());
+                } else {
+                    mprFlowRequestBuilder.setOutPort(OFConstants.OFPP_ANY);
+                }
+
+                if (input.getOutGroup() != null) {
+                    mprFlowRequestBuilder.setOutGroup(input.getOutGroup());
+                } else {
+                    mprFlowRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
+                }
+
+                if (input.getCookie() != null) {
+                    mprFlowRequestBuilder.setCookie(input.getCookie().getValue());
+                } else {
+                    mprFlowRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
+                }
+
+                if (input.getCookieMask() != null) {
+                    mprFlowRequestBuilder.setCookieMask(input.getCookieMask().getValue());
+                } else {
+                    mprFlowRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
+                }
+
+                // convert and inject match
+                MatchReactor.getInstance().convert(input.getMatch(), taskContext.getSession()
+                                .getPrimaryConductor().getVersion(), mprFlowRequestBuilder,
+                        taskContext.getSession().getFeatures().getDatapathId());
+
+                // Set request body to main multipart request
+                multipartRequestFlowCaseBuilder.setMultipartRequestFlow(mprFlowRequestBuilder.build());
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPFLOW, taskContext, xid);
+                mprInput.setMultipartRequestBody(multipartRequestFlowCaseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetFlowStatisticsFromFlowTableOutput>(result) {
+                    @Override
+                    public GetFlowStatisticsFromFlowTableOutput createResult() {
+                        GetFlowStatisticsFromFlowTableOutputBuilder flowStatsFromFlowTableBuilder =
+                                new GetFlowStatisticsFromFlowTableOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return flowStatsFromFlowTableBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput, RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>>
+    createGetAggregateFlowStatisticsFromFlowTableForAllFlowsTask(
+            final OFRpcTaskContext taskContext,
+            final GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput input, SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput, RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                // Create multipart request body for fetch all the group stats
+                MultipartRequestAggregateCaseBuilder multipartRequestAggregateCaseBuilder = new MultipartRequestAggregateCaseBuilder();
+                MultipartRequestAggregateBuilder mprAggregateRequestBuilder = new MultipartRequestAggregateBuilder();
+                mprAggregateRequestBuilder.setTableId(input.getTableId().getValue());
+                mprAggregateRequestBuilder.setOutPort(OFConstants.OFPP_ANY);
+                mprAggregateRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
+                mprAggregateRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
+                mprAggregateRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
+
+                FlowCreatorUtil.setWildcardedFlowMatch(taskContext.getSession()
+                        .getPrimaryConductor().getVersion(), mprAggregateRequestBuilder);
+
+                // Set request body to main multipart request
+                multipartRequestAggregateCaseBuilder.setMultipartRequestAggregate(mprAggregateRequestBuilder.build());
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPAGGREGATE, taskContext, xid);
+                mprInput.setMultipartRequestBody(multipartRequestAggregateCaseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>(result) {
+                    @Override
+                    public GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput createResult() {
+                        GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutputBuilder flowStatsFromFlowTableBuilder =
+                                new GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return flowStatsFromFlowTableBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput, RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>>
+    createGetAggregateFlowStatisticsFromFlowTableForGivenMatchTask(
+            final OFRpcTaskContext taskContext,
+            final GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput input, SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput, RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestAggregateCaseBuilder multipartRequestAggregateCaseBuilder = new MultipartRequestAggregateCaseBuilder();
+                MultipartRequestAggregateBuilder mprAggregateRequestBuilder = new MultipartRequestAggregateBuilder();
+                mprAggregateRequestBuilder.setTableId(input.getTableId());
+                mprAggregateRequestBuilder.setOutPort(input.getOutPort().longValue());
+                // TODO: repeating code
+                if (taskContext.getSession().getPrimaryConductor().getVersion() ==
+                        OFConstants.OFP_VERSION_1_3) {
+                    mprAggregateRequestBuilder.setCookie(input.getCookie().getValue());
+                    mprAggregateRequestBuilder.setCookieMask(input.getCookieMask().getValue());
+                    mprAggregateRequestBuilder.setOutGroup(input.getOutGroup());
+                } else {
+                    mprAggregateRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
+                    mprAggregateRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
+                    mprAggregateRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
+                }
+
+                MatchReactor.getInstance().convert(input.getMatch(), taskContext.getSession()
+                                .getPrimaryConductor().getVersion(), mprAggregateRequestBuilder,
+                        taskContext.getSession().getFeatures().getDatapathId());
+
+                FlowCreatorUtil.setWildcardedFlowMatch(taskContext.getSession()
+                        .getPrimaryConductor().getVersion(), mprAggregateRequestBuilder);
+
+                // Set request body to main multipart request
+                multipartRequestAggregateCaseBuilder.setMultipartRequestAggregate(mprAggregateRequestBuilder.build());
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPAGGREGATE, taskContext, xid);
+                mprInput.setMultipartRequestBody(multipartRequestAggregateCaseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>(result) {
+                    @Override
+                    public GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput createResult() {
+                        GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutputBuilder aggregFlowStatsFromFlowTableBuilder =
+                                new GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return aggregFlowStatsFromFlowTableBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetFlowTablesStatisticsInput, RpcResult<GetFlowTablesStatisticsOutput>> createGetFlowTablesStatisticsTask(
+            final OFRpcTaskContext taskContext, final GetFlowTablesStatisticsInput input, SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetFlowTablesStatisticsInput, RpcResult<GetFlowTablesStatisticsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetFlowTablesStatisticsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetFlowTablesStatisticsOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetFlowTablesStatisticsOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                // Create multipart request body for fetch all the group stats
+                MultipartRequestTableCaseBuilder multipartRequestTableCaseBuilder = new MultipartRequestTableCaseBuilder();
+                MultipartRequestTableBuilder multipartRequestTableBuilder = new MultipartRequestTableBuilder();
+                multipartRequestTableBuilder.setEmpty(true);
+                multipartRequestTableCaseBuilder.setMultipartRequestTable(multipartRequestTableBuilder.build());
+
+                // Set request body to main multipart request
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPTABLE, taskContext, xid);
+                mprInput.setMultipartRequestBody(multipartRequestTableCaseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetFlowTablesStatisticsOutput>(result) {
+                    @Override
+                    public GetFlowTablesStatisticsOutput createResult() {
+                        GetFlowTablesStatisticsOutputBuilder flowTableStatsBuilder =
+                                new GetFlowTablesStatisticsOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return flowTableStatsBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllQueuesStatisticsFromAllPortsInput, RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> createGetAllQueuesStatisticsFromAllPortsTask(
+            final OFRpcTaskContext taskContext, final GetAllQueuesStatisticsFromAllPortsInput input, SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetAllQueuesStatisticsFromAllPortsInput, RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllQueuesStatisticsFromAllPortsInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestQueueCaseBuilder caseBuilder = new MultipartRequestQueueCaseBuilder();
+                MultipartRequestQueueBuilder mprQueueBuilder = new MultipartRequestQueueBuilder();
+                // Select all ports
+                mprQueueBuilder.setPortNo(OFConstants.OFPP_ANY);
+                // Select all the ports
+                mprQueueBuilder.setQueueId(OFConstants.OFPQ_ANY);
+                caseBuilder.setMultipartRequestQueue(mprQueueBuilder.build());
+
+                // Set request body to main multipart request
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPQUEUE, taskContext, xid);
+                mprInput.setMultipartRequestBody(caseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAllQueuesStatisticsFromAllPortsOutput>(result) {
+                    @Override
+                    public GetAllQueuesStatisticsFromAllPortsOutput createResult() {
+                        GetAllQueuesStatisticsFromAllPortsOutputBuilder allQueueStatsBuilder =
+                                new GetAllQueuesStatisticsFromAllPortsOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return allQueueStatsBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetAllQueuesStatisticsFromGivenPortInput, RpcResult<GetAllQueuesStatisticsFromGivenPortOutput>> createGetAllQueuesStatisticsFromGivenPortTask(
+            final OFRpcTaskContext taskContext, final GetAllQueuesStatisticsFromGivenPortInput input, SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetAllQueuesStatisticsFromGivenPortInput, RpcResult<GetAllQueuesStatisticsFromGivenPortOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetAllQueuesStatisticsFromGivenPortInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetAllQueuesStatisticsFromGivenPortOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetAllQueuesStatisticsFromGivenPortOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestQueueCaseBuilder caseBuilder = new MultipartRequestQueueCaseBuilder();
+                MultipartRequestQueueBuilder mprQueueBuilder = new MultipartRequestQueueBuilder();
+                // Select all queues
+                mprQueueBuilder.setQueueId(OFConstants.OFPQ_ANY);
+                // Select specific port
+                mprQueueBuilder.setPortNo(InventoryDataServiceUtil.portNumberfromNodeConnectorId(
+                        OpenflowVersion.get(taskContext.getSession().getFeatures().getVersion()),
+                        input.getNodeConnectorId()));
+                caseBuilder.setMultipartRequestQueue(mprQueueBuilder.build());
+
+                // Set request body to main multipart request
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPQUEUE, taskContext, xid);
+                mprInput.setMultipartRequestBody(caseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetAllQueuesStatisticsFromGivenPortOutput>(result) {
+                    @Override
+                    public GetAllQueuesStatisticsFromGivenPortOutput createResult() {
+                        GetAllQueuesStatisticsFromGivenPortOutputBuilder allQueueStatsBuilder =
+                                new GetAllQueuesStatisticsFromGivenPortOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return allQueueStatsBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<GetQueueStatisticsFromGivenPortInput, RpcResult<GetQueueStatisticsFromGivenPortOutput>> createGetQueueStatisticsFromGivenPortTask(
+            final OFRpcTaskContext taskContext, final GetQueueStatisticsFromGivenPortInput input, SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<GetQueueStatisticsFromGivenPortInput, RpcResult<GetQueueStatisticsFromGivenPortOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    GetQueueStatisticsFromGivenPortInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<GetQueueStatisticsFromGivenPortOutput>> call() throws Exception {
+                final SettableFuture<RpcResult<GetQueueStatisticsFromGivenPortOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestQueueCaseBuilder caseBuilder = new MultipartRequestQueueCaseBuilder();
+                MultipartRequestQueueBuilder mprQueueBuilder = new MultipartRequestQueueBuilder();
+                // Select specific queue
+                mprQueueBuilder.setQueueId(input.getQueueId().getValue());
+                // Select specific port
+                mprQueueBuilder.setPortNo(InventoryDataServiceUtil.portNumberfromNodeConnectorId(
+                        OpenflowVersion.get(taskContext.getSession().getFeatures().getVersion()),
+                        input.getNodeConnectorId()));
+                caseBuilder.setMultipartRequestQueue(mprQueueBuilder.build());
+
+                // Set request body to main multipart request
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPQUEUE, taskContext, xid);
+                mprInput.setMultipartRequestBody(caseBuilder.build());
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<GetQueueStatisticsFromGivenPortOutput>(result) {
+                    @Override
+                    public GetQueueStatisticsFromGivenPortOutput createResult() {
+                        GetQueueStatisticsFromGivenPortOutputBuilder queueStatsFromPortBuilder =
+                                new GetQueueStatisticsFromGivenPortOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return queueStatsFromPortBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    static MultipartRequestInputBuilder createMultipartHeader(MultipartType multipart,
+                                                              OFRpcTaskContext taskContext, Long xid) {
+        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
+        mprInput.setType(multipart);
+        mprInput.setVersion(taskContext.getSession().getPrimaryConductor().getVersion());
+        mprInput.setXid(xid);
+        mprInput.setFlags(new MultipartRequestFlags(false));
+        return mprInput;
+    }
+
+    private abstract static class ResultCallback<T> implements FutureCallback<RpcResult<Void>> {
+
+        private SettableFuture<RpcResult<T>> result;
+
+        /**
+         * @param result
+         */
+        public ResultCallback(SettableFuture<RpcResult<T>> result) {
+            this.result = result;
+        }
+
+        public abstract T createResult();
+
+        @Override
+        public void onSuccess(RpcResult<Void> resultArg) {
+            result.set(RpcResultBuilder.success(createResult()).build());
+        }
+
+        @Override
+        public void onFailure(Throwable t) {
+            result.set(RpcResultBuilder.<T>failed().withWarning(
+                    ErrorType.RPC,
+                    OFConstants.ERROR_TAG_TIMEOUT,
+                    "something wrong happened",
+                    OFConstants.APPLICATION_TAG,
+                    "", t).build());
+        }
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<UpdatePortInput, RpcResult<UpdatePortOutput>> createUpdatePortTask(
+            final OFRpcTaskContext taskContext, final UpdatePortInput input,
+            final SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<UpdatePortInput, RpcResult<UpdatePortOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    UpdatePortInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdatePortOutput>> call() {
+                ListenableFuture<RpcResult<UpdatePortOutput>> result = SettableFuture.create();
+                final Long xid = taskContext.getSession().getNextXid();
+                Port inputPort = input.getUpdatedPort().getPort().getPort().get(0);
+
+                PortModInput ofPortModInput = PortConvertor.toPortModInput(inputPort,
+                        taskContext.getSession().getPrimaryConductor().getVersion());
+
+                PortModInputBuilder mdInput = new PortModInputBuilder(ofPortModInput);
+                mdInput.setXid(xid);
+
+                Future<RpcResult<UpdatePortOutput>> resultFromOFLib = getMessageService()
+                        .portMod(mdInput.build(), cookie);
+                result = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    /**
+     * @param taskContext
+     * @param input
+     * @param cookie
+     * @return task
+     */
+    public static OFRpcTask<UpdateTableInput, RpcResult<UpdateTableOutput>> createUpdateTableTask(
+            final OFRpcTaskContext taskContext, final UpdateTableInput input,
+            final SwitchConnectionDistinguisher cookie) {
+
+        class OFRpcTaskImpl extends OFRpcTask<UpdateTableInput, RpcResult<UpdateTableOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    UpdateTableInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<UpdateTableOutput>> call() {
+                final SettableFuture<RpcResult<UpdateTableOutput>> result = SettableFuture.create();
+
+                final Long xid = taskContext.getSession().getNextXid();
+
+                MultipartRequestTableFeaturesCaseBuilder caseBuilder = new MultipartRequestTableFeaturesCaseBuilder();
+                MultipartRequestTableFeaturesBuilder requestBuilder = new MultipartRequestTableFeaturesBuilder();
+                List<TableFeatures> ofTableFeatureList = TableFeaturesConvertor
+                        .toTableFeaturesRequest(input.getUpdatedTable());
+                requestBuilder.setTableFeatures(ofTableFeatureList);
+                caseBuilder.setMultipartRequestTableFeatures(requestBuilder.build());
+
+                // Set request body to main multipart request
+                MultipartRequestInputBuilder mprInput =
+                        createMultipartHeader(MultipartType.OFPMPTABLEFEATURES, taskContext, xid);
+                mprInput.setMultipartRequestBody(caseBuilder.build());
+
+                Future<RpcResult<Void>> resultFromOFLib = getMessageService()
+                        .multipartRequest(mprInput.build(), getCookie());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(resultFromOFLib);
+
+                Futures.addCallback(resultLib, new ResultCallback<UpdateTableOutput>(result) {
+                    @Override
+                    public UpdateTableOutput createResult() {
+                        UpdateTableOutputBuilder queueStatsFromPortBuilder =
+                                new UpdateTableOutputBuilder()
+                                        .setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return queueStatsFromPortBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
+
+    public static OFRpcTask<SetConfigInput, RpcResult<SetConfigOutput>> createSetNodeConfigTask(final OFRpcTaskContext taskContext,
+                                                                                                final SetConfigInput input,
+                                                                                                final SwitchConnectionDistinguisher cookie) {
+        class OFRpcTaskImpl extends OFRpcTask<SetConfigInput, RpcResult<SetConfigOutput>> {
+
+            public OFRpcTaskImpl(OFRpcTaskContext taskContext, SwitchConnectionDistinguisher cookie,
+                    SetConfigInput input) {
+                super(taskContext, cookie, input);
+            }
+
+            @Override
+            public ListenableFuture<RpcResult<SetConfigOutput>> call() throws Exception {
+
+                final SettableFuture<RpcResult<SetConfigOutput>> result = SettableFuture.create();
+                final Long xid = taskContext.getSession().getNextXid();
+
+                SetConfigInputBuilder builder = new SetConfigInputBuilder();
+                SwitchConfigFlag flag = SwitchConfigFlag.valueOf(input.getFlag());
+                builder.setXid(xid);
+                builder.setFlags(flag);
+                builder.setMissSendLen(input.getMissSearchLength());
+                builder.setVersion(getVersion());
+                ListenableFuture<RpcResult<Void>> resultLib = JdkFutureAdapters.listenInPoolThread(taskContext.getSession().getPrimaryConductor().getConnectionAdapter().setConfig(builder.build()));
+                Futures.addCallback(resultLib, new ResultCallback<SetConfigOutput>(result) {
+                    @Override
+                    public SetConfigOutput createResult() {
+                        SetConfigOutputBuilder setConfigOutputBuilder = new SetConfigOutputBuilder();
+                        setConfigOutputBuilder.setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
+                        return setConfigOutputBuilder.build();
+                    }
+                });
+                return result;
+            }
+        }
+
+        return new OFRpcTaskImpl(taskContext, cookie, input);
+    }
 }