openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/batch/FlatBatchGroupAdapters.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.services.batch;
  10
  11 import com.google.common.annotations.VisibleForTesting;
  12 import com.google.common.base.Function;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.JdkFutureAdapters;
  15 import com.google.common.util.concurrent.ListenableFuture;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18 import java.util.concurrent.Future;
  19 import javax.annotation.Nullable;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.ProcessFlatBatchOutput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.ProcessFlatBatchOutputBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.input.batch.batch.choice.flat.batch.add.group._case.FlatBatchAddGroup;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.input.batch.batch.choice.flat.batch.remove.group._case.FlatBatchRemoveGroup;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.input.batch.batch.choice.flat.batch.update.group._case.FlatBatchUpdateGroup;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.BatchFailure;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.BatchFailureBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.batch.failure.batch.item.id.choice.FlatBatchFailureGroupIdCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.AddGroupsBatchInput;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.AddGroupsBatchInputBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.BatchGroupOutputListGrouping;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.RemoveGroupsBatchInput;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.RemoveGroupsBatchInputBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.UpdateGroupsBatchInput;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.UpdateGroupsBatchInputBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.add.groups.batch.input.BatchAddGroups;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.add.groups.batch.input.BatchAddGroupsBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.batch.group.output.list.grouping.BatchFailedGroupsOutput;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.remove.groups.batch.input.BatchRemoveGroups;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.remove.groups.batch.input.BatchRemoveGroupsBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.update.groups.batch.input.BatchUpdateGroups;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groups.service.rev160315.update.groups.batch.input.BatchUpdateGroupsBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  43 import org.opendaylight.yangtools.yang.common.RpcResult;
  44 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  45
  46 /**
  47  * Transform between FlatBatch API and group batch API.
  48  */
  49 public class FlatBatchGroupAdapters {
  50
  51     private FlatBatchGroupAdapters() {
  52         throw new IllegalStateException("This class should not be instantiated.");
  53     }
  54
  55     /**
  56      * Adapt flat batch add group.
  57      * @param planStep batch step containing changes of the same type
  58      * @param node     pointer for RPC routing
  59      * @return input suitable for {@link org.opendaylight.yang.gen.v1.urn
  60      * .opendaylight.groups.service.rev160315.SalGroupsBatchService#addGroupsBatch(AddGroupsBatchInput)}
  61      */
  62     public static AddGroupsBatchInput adaptFlatBatchAddGroup(final BatchPlanStep planStep, final NodeRef node) {
  63         final List<BatchAddGroups> batchGroups = new ArrayList<>();
  64         for (FlatBatchAddGroup batchAddGroup : planStep.<FlatBatchAddGroup>getTaskBag()) {
  65             final BatchAddGroups addGroups = new BatchAddGroupsBuilder(batchAddGroup)
  66                     .setGroupId(batchAddGroup.getGroupId())
  67                     .build();
  68             batchGroups.add(addGroups);
  69         }
  70
  71         return new AddGroupsBatchInputBuilder()
  72                 .setBarrierAfter(planStep.isBarrierAfter())
  73                 .setNode(node)
  74                 .setBatchAddGroups(batchGroups)
  75                 .build();
  76     }
  77
  78     /**
  79      * Adapt flat batch remove group.
  80      * @param planStep batch step containing changes of the same type
  81      * @param node     pointer for RPC routing
  82      * @return input suitable for {@link org.opendaylight.yang.gen.v1.urn
  83      * .opendaylight.groups.service.rev160315.SalGroupsBatchService#removeGroupsBatch(RemoveGroupsBatchInput)}
  84      */
  85     public static RemoveGroupsBatchInput adaptFlatBatchRemoveGroup(final BatchPlanStep planStep, final NodeRef node) {
  86         final List<BatchRemoveGroups> batchGroups = new ArrayList<>();
  87         for (FlatBatchRemoveGroup batchRemoveGroup : planStep.<FlatBatchRemoveGroup>getTaskBag()) {
  88             final BatchRemoveGroups removeGroups = new BatchRemoveGroupsBuilder(batchRemoveGroup)
  89                     .setGroupId(batchRemoveGroup.getGroupId())
  90                     .build();
  91             batchGroups.add(removeGroups);
  92         }
  93
  94         return new RemoveGroupsBatchInputBuilder()
  95                 .setBarrierAfter(planStep.isBarrierAfter())
  96                 .setNode(node)
  97                 .setBatchRemoveGroups(batchGroups)
  98                 .build();
  99     }
 100
 101     /**
 102      * Adapt flat batch update group.
 103      * @param planStep batch step containing changes of the same type
 104      * @param node     pointer for RPC routing
 105      * @return input suitable for {@link org.opendaylight.yang.gen.v1.urn
 106      * .opendaylight.groups.service.rev160315.SalGroupsBatchService#updateGroupsBatch(UpdateGroupsBatchInput)}
 107      */
 108     public static UpdateGroupsBatchInput adaptFlatBatchUpdateGroup(final BatchPlanStep planStep, final NodeRef node) {
 109         final List<BatchUpdateGroups> batchGroups = new ArrayList<>();
 110         for (FlatBatchUpdateGroup batchUpdateGroup : planStep.<FlatBatchUpdateGroup>getTaskBag()) {
 111             final BatchUpdateGroups updateGroups = new BatchUpdateGroupsBuilder(batchUpdateGroup)
 112                     .build();
 113             batchGroups.add(updateGroups);
 114         }
 115
 116         return new UpdateGroupsBatchInputBuilder()
 117                 .setBarrierAfter(planStep.isBarrierAfter())
 118                 .setNode(node)
 119                 .setBatchUpdateGroups(batchGroups)
 120                 .build();
 121     }
 122
 123     /**
 124      * Convert batch group result.
 125      * @param stepOffset offset of current batch plan step
 126      * @return converted {@link ProcessFlatBatchOutput} RPC result
 127      */
 128     @VisibleForTesting
 129     static <T extends BatchGroupOutputListGrouping> Function<RpcResult<T>, RpcResult<ProcessFlatBatchOutput>>
 130         convertBatchGroupResult(final int stepOffset) {
 131         return new Function<RpcResult<T>, RpcResult<ProcessFlatBatchOutput>>() {
 132             @Nullable
 133             @Override
 134             public RpcResult<ProcessFlatBatchOutput> apply(@Nullable final RpcResult<T> input) {
 135                 List<BatchFailure> batchFailures = wrapBatchGroupFailuresForFlat(input, stepOffset);
 136                 ProcessFlatBatchOutputBuilder outputBuilder =
 137                         new ProcessFlatBatchOutputBuilder().setBatchFailure(batchFailures);
 138                 return RpcResultBuilder.<ProcessFlatBatchOutput>status(input.isSuccessful())
 139                                        .withRpcErrors(input.getErrors())
 140                                        .withResult(outputBuilder.build())
 141                                        .build();
 142             }
 143         };
 144     }
 145
 146     private static <T extends BatchGroupOutputListGrouping> List<BatchFailure> wrapBatchGroupFailuresForFlat(
 147             final RpcResult<T> input, final int stepOffset) {
 148         final List<BatchFailure> batchFailures = new ArrayList<>();
 149         if (input.getResult().getBatchFailedGroupsOutput() != null) {
 150             for (BatchFailedGroupsOutput stepOutput : input.getResult().getBatchFailedGroupsOutput()) {
 151                 final BatchFailure batchFailure = new BatchFailureBuilder()
 152                         .setBatchOrder(stepOffset + stepOutput.getBatchOrder())
 153                         .setBatchItemIdChoice(new FlatBatchFailureGroupIdCaseBuilder()
 154                                 .setGroupId(stepOutput.getGroupId())
 155                                 .build())
 156                         .build();
 157                 batchFailures.add(batchFailure);
 158             }
 159         }
 160         return batchFailures;
 161     }
 162
 163     /**
 164      * Shortcut for {@link #convertBatchGroupResult(int)} with conversion {@link ListenableFuture}.
 165      *
 166      * @param <T>                     exact type of batch flow output
 167      * @param resultUpdateGroupFuture batch group rpc-result (add/remove/update)
 168      * @param currentOffset           offset of current batch plan step with respect to entire chain of steps
 169      * @return ListenableFuture with converted result {@link ProcessFlatBatchOutput}
 170      */
 171     public static <T extends BatchGroupOutputListGrouping> ListenableFuture<RpcResult<ProcessFlatBatchOutput>>
 172         convertGroupBatchFutureForChain(final Future<RpcResult<T>> resultUpdateGroupFuture,
 173                                     final int currentOffset) {
 174         return Futures.transform(JdkFutureAdapters.listenInPoolThread(resultUpdateGroupFuture),
 175                 FlatBatchGroupAdapters.<T>convertBatchGroupResult(currentOffset));
 176     }
 177 }