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 com.google.common.util.concurrent.MoreExecutors;
  17 import java.util.ArrayList;
  18 import java.util.List;
  19 import java.util.concurrent.Future;
  20 import javax.annotation.Nonnull;
  21 import javax.annotation.Nullable;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.ProcessFlatBatchOutput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.ProcessFlatBatchOutputBuilder;
  24 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;
  25 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;
  26 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;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.BatchFailure;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.BatchFailureBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flat.batch.service.rev160321.process.flat.batch.output.batch.failure.batch.item.id.choice.FlatBatchFailureMeterIdCaseBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.AddMetersBatchInput;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.AddMetersBatchInputBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.BatchMeterOutputListGrouping;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatchInput;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.RemoveMetersBatchInputBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.UpdateMetersBatchInput;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.UpdateMetersBatchInputBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.add.meters.batch.input.BatchAddMeters;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.add.meters.batch.input.BatchAddMetersBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.batch.meter.output.list.grouping.BatchFailedMetersOutput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.remove.meters.batch.input.BatchRemoveMeters;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.remove.meters.batch.input.BatchRemoveMetersBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.update.meters.batch.input.BatchUpdateMeters;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.meters.service.rev160316.update.meters.batch.input.BatchUpdateMetersBuilder;
  45 import org.opendaylight.yangtools.yang.common.RpcResult;
  46 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  47
  48 /**
  49  * Transform between FlatBatch API and meter batch API.
  50  */
  51 public final class FlatBatchMeterAdapters {
  52
  53     private FlatBatchMeterAdapters() {
  54     }
  55
  56     /**
  57      * Adapt flat batch add meter.
  58      * @param planStep batch step containing changes of the same type
  59      * @param node     pointer for RPC routing
  60      * @return input suitable for {@link org.opendaylight.yang.gen.v1.urn
  61      * .opendaylight.meters.service.rev160316.SalMetersBatchService#addMetersBatch(AddMetersBatchInput)}
  62      */
  63     public static AddMetersBatchInput adaptFlatBatchAddMeter(final BatchPlanStep planStep, final NodeRef node) {
  64         final List<BatchAddMeters> batchMeters = new ArrayList<>();
  65         for (FlatBatchAddMeter batchAddMeter : planStep.<FlatBatchAddMeter>getTaskBag()) {
  66             final BatchAddMeters addMeters = new BatchAddMetersBuilder(batchAddMeter)
  67                     .setMeterId(batchAddMeter.getMeterId())
  68                     .build();
  69             batchMeters.add(addMeters);
  70         }
  71
  72         return new AddMetersBatchInputBuilder()
  73                 .setBarrierAfter(planStep.isBarrierAfter())
  74                 .setNode(node)
  75                 .setBatchAddMeters(batchMeters)
  76                 .build();
  77     }
  78
  79     /**
  80      * Adapt flat batch remove meter.
  81      * @param planStep batch step containing changes of the same type
  82      * @param node     pointer for RPC routing
  83      * @return input suitable for {@link org.opendaylight.yang.gen.v1.urn
  84      * .opendaylight.meters.service.rev160316.SalMetersBatchService#removeMetersBatch(RemoveMetersBatchInput)}
  85      */
  86     public static RemoveMetersBatchInput adaptFlatBatchRemoveMeter(final BatchPlanStep planStep, final NodeRef node) {
  87         final List<BatchRemoveMeters> batchMeters = new ArrayList<>();
  88         for (FlatBatchRemoveMeter batchRemoveMeter : planStep.<FlatBatchRemoveMeter>getTaskBag()) {
  89             final BatchRemoveMeters removeMeters = new BatchRemoveMetersBuilder(batchRemoveMeter)
  90                     .setMeterId(batchRemoveMeter.getMeterId())
  91                     .build();
  92             batchMeters.add(removeMeters);
  93         }
  94
  95         return new RemoveMetersBatchInputBuilder()
  96                 .setBarrierAfter(planStep.isBarrierAfter())
  97                 .setNode(node)
  98                 .setBatchRemoveMeters(batchMeters)
  99                 .build();
 100     }
 101
 102     /**
 103      * Adapt flat batch update meter.
 104      * @param planStep batch step containing changes of the same type
 105      * @param node     pointer for RPC routing
 106      * @return input suitable for {@link org.opendaylight.yang.gen.v1.urn
 107      * .opendaylight.meters.service.rev160316.SalMetersBatchService#updateMetersBatch(UpdateMetersBatchInput)}
 108      */
 109     public static UpdateMetersBatchInput adaptFlatBatchUpdateMeter(final BatchPlanStep planStep, final NodeRef node) {
 110         final List<BatchUpdateMeters> batchMeters = new ArrayList<>();
 111         for (FlatBatchUpdateMeter batchUpdateMeter : planStep.<FlatBatchUpdateMeter>getTaskBag()) {
 112             final BatchUpdateMeters updateMeters = new BatchUpdateMetersBuilder(batchUpdateMeter)
 113                     .build();
 114             batchMeters.add(updateMeters);
 115         }
 116
 117         return new UpdateMetersBatchInputBuilder()
 118                 .setBarrierAfter(planStep.isBarrierAfter())
 119                 .setNode(node)
 120                 .setBatchUpdateMeters(batchMeters)
 121                 .build();
 122     }
 123
 124     /**
 125      * Convert meter batch result.
 126      * @param stepOffset offset of current batch plan step
 127      * @return converted {@link ProcessFlatBatchOutput} RPC result
 128      */
 129     @VisibleForTesting
 130     static <T extends BatchMeterOutputListGrouping> Function<RpcResult<T>, RpcResult<ProcessFlatBatchOutput>>
 131         convertBatchMeterResult(final int stepOffset) {
 132         return new Function<RpcResult<T>, RpcResult<ProcessFlatBatchOutput>>() {
 133             @Nullable
 134             @Override
 135             public RpcResult<ProcessFlatBatchOutput> apply(@Nonnull final RpcResult<T> input) {
 136                 List<BatchFailure> batchFailures = wrapBatchMeterFailuresForFlat(input, stepOffset);
 137                 ProcessFlatBatchOutputBuilder outputBuilder =
 138                         new ProcessFlatBatchOutputBuilder().setBatchFailure(batchFailures);
 139                 return RpcResultBuilder.<ProcessFlatBatchOutput>status(input.isSuccessful())
 140                         .withRpcErrors(input.getErrors())
 141                         .withResult(outputBuilder.build())
 142                         .build();
 143             }
 144         };
 145     }
 146
 147     private static <T extends BatchMeterOutputListGrouping> List<BatchFailure> wrapBatchMeterFailuresForFlat(
 148             final RpcResult<T> input, final int stepOffset) {
 149         final List<BatchFailure> batchFailures = new ArrayList<>();
 150         if (input.getResult().getBatchFailedMetersOutput() != null) {
 151             for (BatchFailedMetersOutput stepOutput : input.getResult().getBatchFailedMetersOutput()) {
 152                 final BatchFailure batchFailure = new BatchFailureBuilder()
 153                         .setBatchOrder(stepOffset + stepOutput.getBatchOrder())
 154                         .setBatchItemIdChoice(new FlatBatchFailureMeterIdCaseBuilder()
 155                                 .setMeterId(stepOutput.getMeterId())
 156                                 .build())
 157                         .build();
 158                 batchFailures.add(batchFailure);
 159             }
 160         }
 161         return batchFailures;
 162     }
 163
 164     /**
 165      * Shortcut for {@link #convertBatchMeterResult(int)} with conversion {@link ListenableFuture}.
 166      *
 167      * @param <T>                     exact type of batch flow output
 168      * @param resultUpdateMeterFuture batch group rpc-result (add/remove/update)
 169      * @param currentOffset           offset of current batch plan step with respect to entire chain of steps
 170      * @return ListenableFuture with converted result {@link ProcessFlatBatchOutput}
 171      */
 172     public static <T extends BatchMeterOutputListGrouping> ListenableFuture<RpcResult<ProcessFlatBatchOutput>>
 173         convertMeterBatchFutureForChain(final Future<RpcResult<T>> resultUpdateMeterFuture,
 174                                     final int currentOffset) {
 175         return Futures.transform(JdkFutureAdapters.listenInPoolThread(resultUpdateMeterFuture),
 176                 FlatBatchMeterAdapters.convertBatchMeterResult(currentOffset),
 177                 MoreExecutors.directExecutor());
 178     }
 179 }