Package org.apache.flink.runtime.jobgraph

Examples of org.apache.flink.runtime.jobgraph.OutputFormatVertex

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    // intermediate
    AbstractJobVertex intermediate = createIterationIntermediate(jobGraph, numSubTasks, serializer, comparator);
    TaskConfig intermediateConfig = new TaskConfig(intermediate.getConfiguration());

    // output and auxiliaries
    OutputFormatVertex output = createOutput(jobGraph, resultPath, numSubTasks, serializer);
    AbstractJobVertex sync = createSync(jobGraph, numSubTasks, maxIterations);

    // ------------------ the intermediate (ss join) ----------------------
    AbstractJobVertex ssJoinIntermediate = JobGraphUtils.createTask(IterationIntermediatePactTask.class,
      "Solution Set Join", jobGraph, numSubTasks);
    TaskConfig ssJoinIntermediateConfig = new TaskConfig(ssJoinIntermediate.getConfiguration());
    {
      ssJoinIntermediateConfig.setIterationId(ITERATION_ID);

      // inputs
      ssJoinIntermediateConfig.addInputToGroup(0);
      ssJoinIntermediateConfig.setInputSerializer(serializer, 0);

      // output
      ssJoinIntermediateConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
      ssJoinIntermediateConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
      ssJoinIntermediateConfig.setOutputComparator(comparator, 0);
      ssJoinIntermediateConfig.setOutputComparator(comparator, 1);

      ssJoinIntermediateConfig.setOutputSerializer(serializer);

      // driver
      ssJoinIntermediateConfig.setDriver(JoinWithSolutionSetSecondDriver.class);
      ssJoinIntermediateConfig.setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
      ssJoinIntermediateConfig.setDriverComparator(comparator, 0);
      ssJoinIntermediateConfig.setDriverPairComparator(pairComparator);
     
      ssJoinIntermediateConfig.setStubWrapper(
        new UserCodeClassWrapper<UpdateComponentIdMatch>(UpdateComponentIdMatch.class));
    }

    // -------------------------- ss tail --------------------------------
    AbstractJobVertex ssTail = JobGraphUtils.createTask(IterationTailPactTask.class, "IterationSolutionSetTail",
      jobGraph, numSubTasks);
    TaskConfig ssTailConfig = new TaskConfig(ssTail.getConfiguration());
    {
      ssTailConfig.setIterationId(ITERATION_ID);
      ssTailConfig.setIsSolutionSetUpdate();
      ssTailConfig.setIsWorksetIteration();

      // inputs and driver
      ssTailConfig.addInputToGroup(0);
      ssTailConfig.setInputSerializer(serializer, 0);
      ssTailConfig.setInputAsynchronouslyMaterialized(0, true);
      ssTailConfig.setRelativeInputMaterializationMemory(0, MEM_FRAC_PER_CONSUMER);

      // output
      ssTailConfig.setOutputSerializer(serializer);

      // the driver
      ssTailConfig.setDriver(CollectorMapDriver.class);
      ssTailConfig.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
      ssTailConfig.setStubWrapper(new UserCodeClassWrapper<DummyMapper>(DummyMapper.class));
    }

    // -------------------------- ws tail --------------------------------
    AbstractJobVertex wsTail = JobGraphUtils.createTask(IterationTailPactTask.class, "IterationWorksetTail",
      jobGraph, numSubTasks);
    TaskConfig wsTailConfig = new TaskConfig(wsTail.getConfiguration());
    {
      wsTailConfig.setIterationId(ITERATION_ID);
      wsTailConfig.setIsWorksetIteration();
      wsTailConfig.setIsWorksetUpdate();

      // inputs and driver
      wsTailConfig.addInputToGroup(0);
      wsTailConfig.setInputSerializer(serializer, 0);

      // output
      wsTailConfig.setOutputSerializer(serializer);

      // the driver
      wsTailConfig.setDriver(CollectorMapDriver.class);
      wsTailConfig.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
      wsTailConfig.setStubWrapper(new UserCodeClassWrapper<DummyMapper>(DummyMapper.class));
    }

    // --------------- the wiring ---------------------

    JobGraphUtils.connect(vertices, head, ChannelType.NETWORK, DistributionPattern.BIPARTITE);
    JobGraphUtils.connect(edges, head, ChannelType.NETWORK, DistributionPattern.BIPARTITE);
    JobGraphUtils.connect(vertices, head, ChannelType.NETWORK, DistributionPattern.BIPARTITE);

    JobGraphUtils.connect(head, intermediate, ChannelType.NETWORK, DistributionPattern.BIPARTITE);
    intermediateConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, numSubTasks);

    JobGraphUtils.connect(intermediate, ssJoinIntermediate, ChannelType.NETWORK, DistributionPattern.POINTWISE);
    ssJoinIntermediateConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);

    JobGraphUtils.connect(ssJoinIntermediate, ssTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
    ssTailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);

    JobGraphUtils.connect(ssJoinIntermediate, wsTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
    wsTailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);

    JobGraphUtils.connect(head, output, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);

    JobGraphUtils.connect(head, sync, ChannelType.NETWORK, DistributionPattern.POINTWISE);

    SlotSharingGroup sharingGroup = new SlotSharingGroup();
    vertices.setSlotSharingGroup(sharingGroup);
    edges.setSlotSharingGroup(sharingGroup);
    head.setSlotSharingGroup(sharingGroup);
    intermediate.setSlotSharingGroup(sharingGroup);
    ssJoinIntermediate.setSlotSharingGroup(sharingGroup);
    wsTail.setSlotSharingGroup(sharingGroup);
    ssTail.setSlotSharingGroup(sharingGroup);
    output.setSlotSharingGroup(sharingGroup);
    sync.setSlotSharingGroup(sharingGroup);
   
    intermediate.setStrictlyCoLocatedWith(head);
    ssJoinIntermediate.setStrictlyCoLocatedWith(head);
    wsTail.setStrictlyCoLocatedWith(head);
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    syncConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, parallelism);
    return sync;
  }

  public static OutputFormatVertex createFileOutput(JobGraph jobGraph, String name, int parallelism) {
    OutputFormatVertex sinkVertex = new OutputFormatVertex(name);
    jobGraph.addVertex(sinkVertex);
   
    sinkVertex.setInvokableClass(DataSinkTask.class);
    sinkVertex.setParallelism(parallelism);
    return sinkVertex;
  }
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      tailConfig.addChainedTask(ChainedCollectorMapDriver.class, chainedMapperConfig, "Chained ID Mapper");
    }

    // - output ----------------------------------------------------------------------------------------------------
    OutputFormatVertex output = JobGraphUtils.createFileOutput(jobGraph, "Output", numSubTasks);
    TaskConfig outputConfig = new TaskConfig(output.getConfiguration());
    {
      outputConfig.addInputToGroup(0);
      outputConfig.setInputSerializer(serializer, 0);

      outputConfig.setStubWrapper(new UserCodeClassWrapper<PointOutFormat>(PointOutFormat.class));
      outputConfig.setStubParameter(FileOutputFormat.FILE_PARAMETER_KEY, outputPath);
    }

    // - sync ------------------------------------------------------------------------------------------------------
    AbstractJobVertex sync = JobGraphUtils.createSync(jobGraph, numSubTasks);
    TaskConfig syncConfig = new TaskConfig(sync.getConfiguration());
    syncConfig.setNumberOfIterations(maxIterations);
    syncConfig.setIterationId(ITERATION_ID);

    // --------------------------------------------------------------------------------------------------------------
    // 2. EDGES
    // --------------------------------------------------------------------------------------------------------------
    JobGraphUtils.connect(input, head, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);

    JobGraphUtils.connect(head, tail, ChannelType.IN_MEMORY, DistributionPattern.BIPARTITE);
    tailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, numSubTasks);

    JobGraphUtils.connect(head, output, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);

    JobGraphUtils.connect(head, sync, ChannelType.NETWORK, DistributionPattern.POINTWISE);

    // --------------------------------------------------------------------------------------------------------------
    // 3. INSTANCE SHARING
    // --------------------------------------------------------------------------------------------------------------
   
    SlotSharingGroup sharingGroup = new SlotSharingGroup();
   
    input.setSlotSharingGroup(sharingGroup);
    head.setSlotSharingGroup(sharingGroup);
    tail.setSlotSharingGroup(sharingGroup);
    output.setSlotSharingGroup(sharingGroup);
    sync.setSlotSharingGroup(sharingGroup);
   
    tail.setStrictlyCoLocatedWith(head);

    return jobGraph;
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