openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/batch/FlatBatchMeterAdapters.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.meter._case.FlatBatchAddMeter;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.input.batch.batch.choice.flat.batch.remove.meter._case.FlatBatchRemoveMeter;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.input.batch.batch.choice.flat.batch.update.meter._case.FlatBatchUpdateMeter;
  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.FlatBatchFailureMeterIdCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.AddMetersBatchInput;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.AddMetersBatchInputBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.BatchMeterOutputListGrouping;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatchInput;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatchInputBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.UpdateMetersBatchInput;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.UpdateMetersBatchInputBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.add.meters.batch.input.BatchAddMeters;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.add.meters.batch.input.BatchAddMetersBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.batch.meter.output.list.grouping.BatchFailedMetersOutput;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.remove.meters.batch.input.BatchRemoveMeters;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.remove.meters.batch.input.BatchRemoveMetersBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.update.meters.batch.input.BatchUpdateMeters;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.update.meters.batch.input.BatchUpdateMetersBuilder;
  43 import org.opendaylight.yangtools.yang.common.RpcResult;
  44 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  45
  46 /**
  47  * Transform between FlatBatch API and meter batch API.
  48  */
  49 public class FlatBatchMeterAdapters {
  50
  51     private FlatBatchMeterAdapters() {
  52         throw new IllegalStateException("This class should not be instantiated.");
  53     }
  54
  55     /**
  56      * Adapt flat batch add meter.
  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.meters.service.rev160316.SalMetersBatchService#addMetersBatch(AddMetersBatchInput)}
  61      */
  62     public static AddMetersBatchInput adaptFlatBatchAddMeter(final BatchPlanStep planStep, final NodeRef node) {
  63         final List<BatchAddMeters> batchMeters = new ArrayList<>();
  64         for (FlatBatchAddMeter batchAddMeter : planStep.<FlatBatchAddMeter>getTaskBag()) {
  65             final BatchAddMeters addMeters = new BatchAddMetersBuilder(batchAddMeter)
  66                     .setMeterId(batchAddMeter.getMeterId())
  67                     .build();
  68             batchMeters.add(addMeters);
  69         }
  70
  71         return new AddMetersBatchInputBuilder()
  72                 .setBarrierAfter(planStep.isBarrierAfter())
  73                 .setNode(node)
  74                 .setBatchAddMeters(batchMeters)
  75                 .build();
  76     }
  77
  78     /**
  79      * Adapt flat batch remove meter.
  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.meters.service.rev160316.SalMetersBatchService#removeMetersBatch(RemoveMetersBatchInput)}
  84      */
  85     public static RemoveMetersBatchInput adaptFlatBatchRemoveMeter(final BatchPlanStep planStep, final NodeRef node) {
  86         final List<BatchRemoveMeters> batchMeters = new ArrayList<>();
  87         for (FlatBatchRemoveMeter batchRemoveMeter : planStep.<FlatBatchRemoveMeter>getTaskBag()) {
  88             final BatchRemoveMeters removeMeters = new BatchRemoveMetersBuilder(batchRemoveMeter)
  89                     .setMeterId(batchRemoveMeter.getMeterId())
  90                     .build();
  91             batchMeters.add(removeMeters);
  92         }
  93
  94         return new RemoveMetersBatchInputBuilder()
  95                 .setBarrierAfter(planStep.isBarrierAfter())
  96                 .setNode(node)
  97                 .setBatchRemoveMeters(batchMeters)
  98                 .build();
  99     }
 100
 101     /**
 102      * Adapt flat batch update meter.
 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.meters.service.rev160316.SalMetersBatchService#updateMetersBatch(UpdateMetersBatchInput)}
 107      */
 108     public static UpdateMetersBatchInput adaptFlatBatchUpdateMeter(final BatchPlanStep planStep, final NodeRef node) {
 109         final List<BatchUpdateMeters> batchMeters = new ArrayList<>();
 110         for (FlatBatchUpdateMeter batchUpdateMeter : planStep.<FlatBatchUpdateMeter>getTaskBag()) {
 111             final BatchUpdateMeters updateMeters = new BatchUpdateMetersBuilder(batchUpdateMeter)
 112                     .build();
 113             batchMeters.add(updateMeters);
 114         }
 115
 116         return new UpdateMetersBatchInputBuilder()
 117                 .setBarrierAfter(planStep.isBarrierAfter())
 118                 .setNode(node)
 119                 .setBatchUpdateMeters(batchMeters)
 120                 .build();
 121     }
 122
 123     /**
 124      * Convert meter batch result.
 125      * @param stepOffset offset of current batch plan step
 126      * @return converted {@link ProcessFlatBatchOutput} RPC result
 127      */
 128     @VisibleForTesting
 129     static <T extends BatchMeterOutputListGrouping> Function<RpcResult<T>, RpcResult<ProcessFlatBatchOutput>>
 130         convertBatchMeterResult(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 = wrapBatchMeterFailuresForFlat(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 BatchMeterOutputListGrouping> List<BatchFailure> wrapBatchMeterFailuresForFlat(
 147             final RpcResult<T> input, final int stepOffset) {
 148         final List<BatchFailure> batchFailures = new ArrayList<>();
 149         if (input.getResult().getBatchFailedMetersOutput() != null) {
 150             for (BatchFailedMetersOutput stepOutput : input.getResult().getBatchFailedMetersOutput()) {
 151                 final BatchFailure batchFailure = new BatchFailureBuilder()
 152                         .setBatchOrder(stepOffset + stepOutput.getBatchOrder())
 153                         .setBatchItemIdChoice(new FlatBatchFailureMeterIdCaseBuilder()
 154                                 .setMeterId(stepOutput.getMeterId())
 155                                 .build())
 156                         .build();
 157                 batchFailures.add(batchFailure);
 158             }
 159         }
 160         return batchFailures;
 161     }
 162
 163     /**
 164      * Shortcut for {@link #convertBatchMeterResult(int)} with conversion {@link ListenableFuture}.
 165      *
 166      * @param <T>                     exact type of batch flow output
 167      * @param resultUpdateMeterFuture 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 BatchMeterOutputListGrouping> ListenableFuture<RpcResult<ProcessFlatBatchOutput>>
 172         convertMeterBatchFutureForChain(final Future<RpcResult<T>> resultUpdateMeterFuture,
 173                                     final int currentOffset) {
 174         return Futures.transform(JdkFutureAdapters.listenInPoolThread(resultUpdateMeterFuture),
 175                 FlatBatchMeterAdapters.<T>convertBatchMeterResult(currentOffset));
 176     }
 177 }