Fixup Augmentable and Identifiable methods changing
[openflowplugin.git] / test-provider / src / main / java / org / opendaylight / openflowplugin / test / OpenflowpluginStatsTestCommandProvider.java
index bd076326501ecdb226a45a640fb0f8d587c419ee..264736000bd438404d88313f922ce43be0d3227b 100644 (file)
@@ -1,14 +1,23 @@
+/*
+ * Copyright (c) 2014, 2015 IBM Corporation 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
 package org.opendaylight.openflowplugin.test;
 
-import java.util.Iterator;
 import java.util.List;
-
 import org.eclipse.osgi.framework.console.CommandInterpreter;
 import org.eclipse.osgi.framework.console.CommandProvider;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
@@ -16,186 +25,176 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.ta
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsData;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupDescStats;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStats;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.osgi.framework.BundleContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+@SuppressWarnings("checkstyle:MethodName")
 public class OpenflowpluginStatsTestCommandProvider implements CommandProvider {
 
-    private DataProviderService dataProviderService;
+    private static final Logger LOG = LoggerFactory.getLogger(OpenflowpluginStatsTestCommandProvider.class);
+    private DataBroker dataProviderService;
     private final BundleContext ctx;
 
     public OpenflowpluginStatsTestCommandProvider(BundleContext ctx) {
         this.ctx = ctx;
     }
-    
 
     public void onSessionInitiated(ProviderContext session) {
-        dataProviderService = session.getSALService(DataProviderService.class);
+        dataProviderService = session.getSALService(DataBroker.class);
         ctx.registerService(CommandProvider.class.getName(), this, null);
-        
+
     }
 
     public void _portStats(CommandInterpreter ci) {
         int nodeConnectorCount = 0;
         int nodeConnectorStatsCount = 0;
-            List<Node> nodes = getNodes();
-            for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-                NodeKey nodeKey =  iterator.next().getKey();
-                InstanceIdentifier<Node> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).toInstance();
-                Node node = (Node)dataProviderService.readOperationalData(nodeRef);
-                List<NodeConnector> ports =  node.getNodeConnector();
-                for (Iterator<NodeConnector> iterator2 = ports.iterator(); iterator2.hasNext();) {
-                    nodeConnectorCount++;
-                    NodeConnectorKey nodeConnectorKey = iterator2.next().getKey();
-                    InstanceIdentifier<NodeConnector> connectorRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).child(NodeConnector.class, nodeConnectorKey).toInstance();
-                    NodeConnector nodeConnector = (NodeConnector)dataProviderService.readOperationalData(connectorRef);
-                    FlowCapableNodeConnectorStatisticsData data = nodeConnector.getAugmentation(FlowCapableNodeConnectorStatisticsData.class);
-                    if(null != data)
-                    {
-                        nodeConnectorStatsCount++;
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<Node> nodeRef = InstanceIdentifier.create(Nodes.class).child(Node.class, nodeKey);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            Node node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                if (node.getNodeConnector() != null) {
+                    List<NodeConnector> ports = node.getNodeConnector();
+
+                    for (NodeConnector nodeConnector2 : ports) {
+                        nodeConnectorCount++;
+                        NodeConnectorKey nodeConnectorKey = nodeConnector2.key();
+                        InstanceIdentifier<NodeConnector> connectorRef = InstanceIdentifier.create(Nodes.class)
+                                .child(Node.class, nodeKey).child(NodeConnector.class, nodeConnectorKey);
+                        NodeConnector nodeConnector = TestProviderTransactionUtil.getDataObject(readOnlyTransaction,
+                                connectorRef);
+                        if (nodeConnector != null) {
+                            FlowCapableNodeConnectorStatisticsData data = nodeConnector
+                                    .augmentation(FlowCapableNodeConnectorStatisticsData.class);
+                            if (null != data) {
+                                nodeConnectorStatsCount++;
+                            }
+                        }
                     }
                 }
             }
-            
-            if(nodeConnectorCount == nodeConnectorStatsCount)
-            {
-                ci.println("portStats - Success");
-            }
-            else
-            {
-                ci.println("portStats - Failed");
-                ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
-            }
-                           
-       }
+        }
+
+        if (nodeConnectorCount == nodeConnectorStatsCount) {
+            LOG.debug("portStats - Success");
+        } else {
+            LOG.debug("portStats - Failed");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+
+    }
 
-    
     public void _portDescStats(CommandInterpreter ci) {
         int nodeConnectorCount = 0;
         int nodeConnectorDescStatsCount = 0;
-            List<Node> nodes = getNodes();
-            for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-                NodeKey nodeKey =  iterator.next().getKey();
-                InstanceIdentifier<Node> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).toInstance();
-                Node node = (Node)dataProviderService.readOperationalData(nodeRef);
-
-               List<NodeConnector> ports =  node.getNodeConnector();
-                for (Iterator<NodeConnector> iterator2 = ports.iterator(); iterator2.hasNext();) {
-                    nodeConnectorCount++;
-                    NodeConnectorKey nodeConnectorKey = iterator2.next().getKey();
-                    InstanceIdentifier<FlowCapableNodeConnector> connectorRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).child(NodeConnector.class, nodeConnectorKey).augmentation(FlowCapableNodeConnector.class).toInstance();
-                    FlowCapableNodeConnector nodeConnector = (FlowCapableNodeConnector)dataProviderService.readOperationalData(connectorRef);
-                    if(null != nodeConnector.getName() &&
-                            null != nodeConnector.getCurrentFeature() &&
-                            null != nodeConnector.getState() &&
-                            null != nodeConnector.getHardwareAddress() &&
-                            null != nodeConnector.getPortNumber())
-                    {
-                        nodeConnectorDescStatsCount++;
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<Node> nodeRef = InstanceIdentifier.create(Nodes.class).child(Node.class, nodeKey);
+
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            Node node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                if (node.getNodeConnector() != null) {
+                    List<NodeConnector> ports = node.getNodeConnector();
+                    for (NodeConnector nodeConnector2 : ports) {
+                        nodeConnectorCount++;
+                        NodeConnectorKey nodeConnectorKey = nodeConnector2.key();
+                        InstanceIdentifier<FlowCapableNodeConnector> connectorRef = InstanceIdentifier
+                                .create(Nodes.class).child(Node.class, nodeKey)
+                                .child(NodeConnector.class, nodeConnectorKey)
+                                .augmentation(FlowCapableNodeConnector.class);
+                        FlowCapableNodeConnector nodeConnector = TestProviderTransactionUtil
+                                .getDataObject(readOnlyTransaction, connectorRef);
+                        if (nodeConnector != null) {
+                            if (null != nodeConnector.getName() && null != nodeConnector.getCurrentFeature()
+                                    && null != nodeConnector.getState() && null != nodeConnector.getHardwareAddress()
+                                    && null != nodeConnector.getPortNumber()) {
+                                nodeConnectorDescStatsCount++;
+                            }
+                        }
                     }
                 }
+
             }
-            
-            if(nodeConnectorCount == nodeConnectorDescStatsCount)
-            {
-                ci.println("portDescStats - Success");
-            }
-            else
-            {
-                ci.println("portDescStats - Failed");
-                ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
-            }
-                           
-       }
+        }
+
+        if (nodeConnectorCount == nodeConnectorDescStatsCount) {
+            LOG.debug("portDescStats - Success");
+        } else {
+            LOG.debug("portDescStats - Failed");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+
+    }
 
     public void _flowStats(CommandInterpreter ci) {
         int flowCount = 0;
         int flowStatsCount = 0;
-            List<Node> nodes = getNodes();
-            for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-                NodeKey nodeKey =  iterator.next().getKey();
-                InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).toInstance();
-                FlowCapableNode node = (FlowCapableNode)dataProviderService.readOperationalData(nodeRef);
-                List<Table> tables =  node.getTable();
-                for (Iterator<Table> iterator2 = tables.iterator(); iterator2.hasNext();) {
-                    TableKey tableKey = iterator2.next().getKey();
-                    InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).child(Table.class, tableKey).toInstance();
-                    Table table = (Table)dataProviderService.readOperationalData(tableRef);
-                    List<Flow> flows = table.getFlow();
-                    for (Iterator<Flow> iterator3 = flows.iterator(); iterator3.hasNext();) {
-                        flowCount++;
-                        FlowKey flowKey =  iterator3.next().getKey();
-                        InstanceIdentifier<Flow> flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).child(Table.class, tableKey).child(Flow.class, flowKey).toInstance();
-                        Flow flow = (Flow)dataProviderService.readOperationalData(flowRef);
-                        FlowStatisticsData data = flow.getAugmentation(FlowStatisticsData.class);
-                        if(null != data)
-                        {
-                            flowStatsCount++;
-                        }
-                    }                    
-                }
-            }
-            
-            if(flowCount == flowStatsCount)
-            {
-                ci.println("flowStats - Success");
-            }
-            else
-            {
-                ci.println("flowStats - Failed");
-                ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
-            }
-                           
-       }
-
-    public void _queueStats(CommandInterpreter ci) {
-        boolean isFound = false;
         List<Node> nodes = getNodes();
-        for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-            NodeKey nodeKey = iterator.next().getKey();
-            InstanceIdentifier<Node> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey)
-                    .toInstance();
-            Node node = (Node) dataProviderService.readOperationalData(nodeRef);
-            List<NodeConnector> ports = node.getNodeConnector();
-            for (Iterator<NodeConnector> iterator2 = ports.iterator(); iterator2.hasNext();) {
-                NodeConnectorKey nodeConnectorKey = iterator2.next().getKey();
-                InstanceIdentifier<FlowCapableNodeConnector> connectorRef = InstanceIdentifier.builder(Nodes.class)
-                        .child(Node.class, nodeKey).child(NodeConnector.class, nodeConnectorKey)
-                        .augmentation(FlowCapableNodeConnector.class).toInstance();
-                FlowCapableNodeConnector nodeConnector = (FlowCapableNodeConnector) dataProviderService
-                        .readOperationalData(connectorRef);
-                // queue list is always empty, bug 307 is raised.
-                List<Queue> queueList = nodeConnector.getQueue();
-
-                for (Iterator<Queue> iterator3 = queueList.iterator(); iterator3.hasNext();) {
-                    QueueKey queueKey = iterator3.next().getKey();
-                    InstanceIdentifier<Queue> queueRef = InstanceIdentifier.builder(Nodes.class)
-                            .child(Node.class, nodeKey).child(NodeConnector.class, nodeConnectorKey)
-                            .augmentation(FlowCapableNodeConnector.class).child(Queue.class, queueKey).toInstance();
-                    Queue queue = (Queue) dataProviderService.readOperationalData(queueRef);
-                    FlowCapableNodeConnectorQueueStatisticsData data = queue
-                            .getAugmentation(FlowCapableNodeConnectorQueueStatisticsData.class);
-                    if (null != data) {
-                        isFound = true;
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+
+            if (node != null) {
+                List<Table> tables = node.getTable();
+                for (Table table2 : tables) {
+                    TableKey tableKey = table2.key();
+                    InstanceIdentifier<Table> tableRef = InstanceIdentifier.create(Nodes.class)
+                            .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                            .child(Table.class, tableKey);
+                    Table table = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, tableRef);
+                    if (table != null) {
+                        if (table.getFlow() != null) {
+                            List<Flow> flows = table.getFlow();
+                            for (Flow flow2 : flows) {
+                                flowCount++;
+                                FlowKey flowKey = flow2.key();
+                                InstanceIdentifier<Flow> flowRef = InstanceIdentifier.create(Nodes.class)
+                                        .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                                        .child(Table.class, tableKey).child(Flow.class, flowKey);
+                                Flow flow = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, flowRef);
+                                if (flow != null) {
+                                    FlowStatisticsData data = flow.augmentation(FlowStatisticsData.class);
+                                    if (null != data) {
+                                        flowStatsCount++;
+                                        LOG.debug("--------------------------------------------");
+                                        ci.print(data);
+                                    }
+                                }
+
+                            }
+                        }
                     }
                 }
             }
         }
 
-        if (isFound) {
-            ci.println("queueStats - Success");
+        if (flowCount == flowStatsCount) {
+            LOG.debug("flowStats - Success");
         } else {
-            ci.println("queueStats - Failed");
-            ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+            LOG.debug("flowStats - Failed");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
         }
 
     }
@@ -203,120 +202,288 @@ public class OpenflowpluginStatsTestCommandProvider implements CommandProvider {
     public void _tableStats(CommandInterpreter ci) {
         int tableCount = 0;
         int tableStatsCount = 0;
-            List<Node> nodes = getNodes();
-            for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-                NodeKey nodeKey =  iterator.next().getKey();
-                InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).toInstance();
-                FlowCapableNode node = (FlowCapableNode)dataProviderService.readOperationalData(nodeRef);
-
-               List<Table> tables =  node.getTable();
-                for (Iterator<Table> iterator2 = tables.iterator(); iterator2.hasNext();) {
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                List<Table> tables = node.getTable();
+                for (Table table2 : tables) {
                     tableCount++;
-                    TableKey tableKey = iterator2.next().getKey();
-                    InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).child(Table.class, tableKey).toInstance();
-                    Table table = (Table)dataProviderService.readOperationalData(tableRef);
-                    FlowTableStatisticsData data = table.getAugmentation(FlowTableStatisticsData.class);
-                    if(null != data)
-                    {
-                        tableStatsCount++;
+                    TableKey tableKey = table2.key();
+                    InstanceIdentifier<Table> tableRef = InstanceIdentifier.create(Nodes.class)
+                            .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                            .child(Table.class, tableKey);
+                    Table table = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, tableRef);
+                    if (table != null) {
+                        FlowTableStatisticsData data = table.augmentation(FlowTableStatisticsData.class);
+                        if (null != data) {
+                            tableStatsCount++;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (tableCount == tableStatsCount) {
+            LOG.debug("tableStats - Success");
+        } else {
+            LOG.debug("tableStats - Failed");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+
+    }
+
+    public void _groupStats(CommandInterpreter ci) {
+        int groupCount = 0;
+        int groupStatsCount = 0;
+        NodeGroupStatistics data = null;
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                if (node.getGroup() != null) {
+                    List<Group> groups = node.getGroup();
+                    for (Group group2 : groups) {
+                        groupCount++;
+                        GroupKey groupKey = group2.key();
+                        InstanceIdentifier<Group> groupRef = InstanceIdentifier.create(Nodes.class)
+                                .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                                .child(Group.class, groupKey);
+                        Group group = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, groupRef);
+                        if (group != null) {
+                            data = group.augmentation(NodeGroupStatistics.class);
+                            if (null != data) {
+                                groupStatsCount++;
+                            }
+                        }
+                    }
+                }
+
+            }
+        }
+
+        if (groupCount == groupStatsCount) {
+            LOG.debug("---------------------groupStats - Success-------------------------------");
+        } else {
+            LOG.debug("------------------------------groupStats - Failed--------------------------");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+    }
+
+    public void _groupDescStats(CommandInterpreter ci) {
+        int groupCount = 0;
+        int groupDescStatsCount = 0;
+        NodeGroupDescStats data = null;
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+
+            if (node != null) {
+                if (node.getGroup() != null) {
+                    List<Group> groups = node.getGroup();
+                    for (Group group2 : groups) {
+                        groupCount++;
+                        GroupKey groupKey = group2.key();
+                        InstanceIdentifier<Group> groupRef = InstanceIdentifier.create(Nodes.class)
+                                .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                                .child(Group.class, groupKey);
+                        Group group = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, groupRef);
+                        if (group != null) {
+                            data = group.augmentation(NodeGroupDescStats.class);
+                            if (null != data) {
+                                groupDescStatsCount++;
+                            }
+                        }
+
                     }
                 }
             }
-            
-            if(tableCount == tableStatsCount)
-            {
-                ci.println("tableStats - Success");
+
+            if (groupCount == groupDescStatsCount) {
+                LOG.debug("---------------------groupDescStats - Success-------------------------------");
+            } else {
+                LOG.debug("------------------------------groupDescStats - Failed--------------------------");
+                LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
             }
-            else
-            {
-                ci.println("tableStats - Failed");
-                ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+    }
+
+    public void _meterStats(CommandInterpreter ci) {
+        int meterCount = 0;
+        int meterStatsCount = 0;
+        NodeMeterStatistics data = null;
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                if (node.getMeter() != null) {
+                    List<Meter> meters = node.getMeter();
+                    for (Meter meter2 : meters) {
+                        meterCount++;
+                        MeterKey meterKey = meter2.key();
+                        InstanceIdentifier<Meter> meterRef = InstanceIdentifier.create(Nodes.class)
+                                .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                                .child(Meter.class, meterKey);
+                        Meter meter = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, meterRef);
+                        if (meter != null) {
+                            data = meter.augmentation(NodeMeterStatistics.class);
+                            if (null != data) {
+                                meterStatsCount++;
+                            }
+                        }
+                    }
+
+                }
             }
-                           
-       }
+        }
+
+        if (meterCount == meterStatsCount) {
+            LOG.debug("---------------------------meterStats - Success-------------------------------------");
+        } else {
+            LOG.debug("----------------------------meterStats - Failed-------------------------------------");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+    }
+
+    public void _meterConfigStats(CommandInterpreter ci) {
+        int meterCount = 0;
+        int meterConfigStatsCount = 0;
+        NodeMeterConfigStats data = null;
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                if (node.getMeter() != null) {
+                    List<Meter> meters = node.getMeter();
+                    for (Meter meter2 : meters) {
+                        meterCount++;
+                        MeterKey meterKey = meter2.key();
+                        InstanceIdentifier<Meter> meterRef = InstanceIdentifier.create(Nodes.class)
+                                .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                                .child(Meter.class, meterKey);
+                        Meter meter = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, meterRef);
+                        if (meter != null) {
+                            data = meter.augmentation(NodeMeterConfigStats.class);
+                            if (null != data) {
+                                meterConfigStatsCount++;
+                            }
+                        }
+                    }
+
+                }
+            }
+        }
+
+        if (meterCount == meterConfigStatsCount) {
+            LOG.debug("---------------------------meterConfigStats - Success-------------------------------------");
+            ci.print(data);
+        } else {
+            LOG.debug("----------------------------meterConfigStats - Failed-------------------------------------");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+    }
 
     public void _aggregateStats(CommandInterpreter ci) {
         int aggregateFlowCount = 0;
         int aggerateFlowStatsCount = 0;
-            List<Node> nodes = getNodes();
-            for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-                NodeKey nodeKey =  iterator.next().getKey();
-                InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).toInstance();
-                FlowCapableNode node = (FlowCapableNode)dataProviderService.readOperationalData(nodeRef);
-
-               List<Table> tables =  node.getTable();
-                for (Iterator<Table> iterator2 = tables.iterator(); iterator2.hasNext();) {
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                List<Table> tables = node.getTable();
+                for (Table table2 : tables) {
                     aggregateFlowCount++;
-                    TableKey tableKey = iterator2.next().getKey();
-                    InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).child(Table.class, tableKey).toInstance();
-                    Table table = (Table)dataProviderService.readOperationalData(tableRef);
-                    AggregateFlowStatisticsData data = table.getAugmentation(AggregateFlowStatisticsData.class);
-                    if(null != data)
-                    {
-                        aggerateFlowStatsCount++;
+                    TableKey tableKey = table2.key();
+                    InstanceIdentifier<Table> tableRef = InstanceIdentifier.create(Nodes.class)
+                            .child(Node.class, nodeKey).augmentation(FlowCapableNode.class)
+                            .child(Table.class, tableKey);
+                    Table table = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, tableRef);
+                    if (table != null) {
+                        AggregateFlowStatisticsData data = table.augmentation(AggregateFlowStatisticsData.class);
+                        if (null != data) {
+                            aggerateFlowStatsCount++;
+                        }
                     }
                 }
             }
-            
-            if(aggregateFlowCount == aggerateFlowStatsCount)
-            {
-                ci.println("aggregateStats - Success");
-            }
-            else
-            {
-                ci.println("aggregateStats - Failed");
-                ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
-            }
-                           
-       }
+        }
+
+        if (aggregateFlowCount == aggerateFlowStatsCount) {
+            LOG.debug("aggregateStats - Success");
+        } else {
+            LOG.debug("aggregateStats - Failed");
+            LOG.debug("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        }
+
+    }
 
     public void _descStats(CommandInterpreter ci) {
         int descCount = 0;
         int descStatsCount = 0;
-            List<Node> nodes = getNodes();
-            for (Iterator<Node> iterator = nodes.iterator(); iterator.hasNext();) {
-                descCount++;
-                NodeKey nodeKey =  iterator.next().getKey();
-                InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey).augmentation(FlowCapableNode.class).toInstance();
-                FlowCapableNode node = (FlowCapableNode)dataProviderService.readOperationalData(nodeRef);
-                    if(null != node.getHardware() &&
-                            null != node.getManufacturer() &&
-                            null != node.getSoftware())
-                    {
-                        descStatsCount++;
-                    }
-            }
-            
-            if(descCount == descStatsCount)
-            {
-                ci.println("descStats - Success");
-            }
-            else
-            {
-                ci.println("descStats - Failed");
-                ci.println("System fetchs stats data in 50 seconds interval, so pls wait and try again.");
+        List<Node> nodes = getNodes();
+        for (Node node2 : nodes) {
+            descCount++;
+            NodeKey nodeKey = node2.key();
+            InstanceIdentifier<FlowCapableNode> nodeRef = InstanceIdentifier.create(Nodes.class)
+                    .child(Node.class, nodeKey).augmentation(FlowCapableNode.class);
+            ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+            FlowCapableNode node = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodeRef);
+            if (node != null) {
+                if (null != node.getHardware() && null != node.getManufacturer() && null != node.getSoftware()) {
+                    descStatsCount++;
+                }
             }
-                           
-       }    
-    
-    private List<Node> getNodes()
-    {
-        Nodes nodes = (Nodes)dataProviderService.readOperationalData(InstanceIdentifier.builder(Nodes.class).toInstance());
-        if(null == nodes)
-        {
+        }
+
+        if (descCount == descStatsCount) {
+            LOG.debug("descStats - Success");
+        } else {
+            LOG.debug("descStats - Failed");
+            LOG.debug("System fetches stats data in 50 seconds interval, so please wait and try again.");
+        }
+
+    }
+
+    private List<Node> getNodes() {
+        ReadOnlyTransaction readOnlyTransaction = dataProviderService.newReadOnlyTransaction();
+        InstanceIdentifier<Nodes> nodesID = InstanceIdentifier.create(Nodes.class);
+        Nodes nodes = TestProviderTransactionUtil.getDataObject(readOnlyTransaction, nodesID);
+        if (nodes == null) {
             throw new RuntimeException("nodes are not found, pls add the node.");
         }
         return nodes.getNode();
-        
     }
-    
+
     @Override
     public String getHelp() {
-        StringBuffer help = new StringBuffer();
+        StringBuilder help = new StringBuilder();
         help.append("---MD-SAL Stats test module---\n");
         return help.toString();
     }
 
 }