Package eu.stratosphere.pact.runtime.task.util

Examples of eu.stratosphere.pact.runtime.task.util.TaskConfig$DelegatingConfiguration

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  private static JobOutputVertex createOutput(JobGraph jobGraph, String resultPath, int numSubTasks, TypeSerializerFactory<?> serializer) {
    JobOutputVertex output = JobGraphUtils.createFileOutput(jobGraph, "Output", numSubTasks, numSubTasks);

    {
      TaskConfig taskConfig = new TaskConfig(output.getConfiguration());
      taskConfig.addInputToGroup(0);
      taskConfig.setInputSerializer(serializer, 0);

      @SuppressWarnings("unchecked")
      CsvOutputFormat outFormat = new CsvOutputFormat("\n", " ", LongValue.class, LongValue.class, LongValue.class);
      outFormat.setOutputFilePath(new Path(resultPath));
     
      taskConfig.setStubWrapper(new UserCodeObjectWrapper<CsvOutputFormat>(outFormat));
    }

    return output;
  }
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    JobInputVertex vertices = createVerticesInput(jobGraph, verticesPath, numSubTasks, serializer, comparator);
    JobInputVertex edges = createEdgesInput(jobGraph, edgesPath, numSubTasks, serializer, comparator);

    // head
    JobTaskVertex head = createIterationHead(jobGraph, numSubTasks, serializer, comparator, pairComparator);
    TaskConfig headConfig = new TaskConfig(head.getConfiguration());
    headConfig.setWaitForSolutionSetUpdate();

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

    // output and auxiliaries
    JobOutputVertex output = createOutput(jobGraph, resultPath, numSubTasks, serializer);
    JobOutputVertex ssFakeTail = createFakeTail(jobGraph, numSubTasks);
    JobOutputVertex wsFakeTail = createFakeTail(jobGraph, numSubTasks);
    JobOutputVertex sync = createSync(jobGraph, numSubTasks, maxIterations);

    // ------------------ the intermediate (ss join) ----------------------
    JobTaskVertex ssJoinIntermediate = JobGraphUtils.createTask(IterationIntermediatePactTask.class,
      "Solution Set Join", jobGraph, numSubTasks, 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 --------------------------------
    JobTaskVertex ssTail = JobGraphUtils.createTask(IterationTailPactTask.class, "IterationSolutionSetTail",
      jobGraph, numSubTasks, 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.setInputMaterializationMemory(0, MEM_PER_CONSUMER * JobGraphUtils.MEGABYTE);

      // output
      ssTailConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
      ssTailConfig.setOutputSerializer(serializer);

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

    // -------------------------- ws tail --------------------------------
    JobTaskVertex wsTail = JobGraphUtils.createTask(IterationTailPactTask.class, "IterationWorksetTail",
      jobGraph, numSubTasks, 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.addOutputShipStrategy(ShipStrategyType.FORWARD);
      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(ssTail, ssFakeTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
    JobGraphUtils.connect(wsTail, wsFakeTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
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  private static JobInputVertex createPointsInput(JobGraph jobGraph, String pointsPath, int numSubTasks, TypeSerializerFactory<?> serializer) {
    @SuppressWarnings("unchecked")
    CsvInputFormat pointsInFormat = new CsvInputFormat('|', IntValue.class, DoubleValue.class, DoubleValue.class, DoubleValue.class);
    JobInputVertex pointsInput = JobGraphUtils.createInput(pointsInFormat, pointsPath, "[Points]", jobGraph, numSubTasks, numSubTasks);
    {
      TaskConfig taskConfig = new TaskConfig(pointsInput.getConfiguration());
      taskConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
      taskConfig.setOutputSerializer(serializer);
     
      TaskConfig chainedMapper = new TaskConfig(new Configuration());
      chainedMapper.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
      chainedMapper.setStubWrapper(new UserCodeObjectWrapper<PointBuilder>(new PointBuilder()));
      chainedMapper.addOutputShipStrategy(ShipStrategyType.FORWARD);
      chainedMapper.setOutputSerializer(serializer);
     
      taskConfig.addChainedTask(ChainedCollectorMapDriver.class, chainedMapper, "Build points");
    }

    return pointsInput;
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    @SuppressWarnings("unchecked")
    CsvInputFormat modelsInFormat = new CsvInputFormat('|', IntValue.class, DoubleValue.class, DoubleValue.class, DoubleValue.class);
    JobInputVertex modelsInput = JobGraphUtils.createInput(modelsInFormat, centersPath, "[Models]", jobGraph, numSubTasks, numSubTasks);

    {
      TaskConfig taskConfig = new TaskConfig(modelsInput.getConfiguration());
      taskConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
      taskConfig.setOutputSerializer(serializer);

      TaskConfig chainedMapper = new TaskConfig(new Configuration());
      chainedMapper.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
      chainedMapper.setStubWrapper(new UserCodeObjectWrapper<PointBuilder>(new PointBuilder()));
      chainedMapper.addOutputShipStrategy(ShipStrategyType.FORWARD);
      chainedMapper.setOutputSerializer(serializer);
     
      taskConfig.addChainedTask(ChainedCollectorMapDriver.class, chainedMapper, "Build centers");
    }

    return modelsInput;
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    JobInputVertex vertices = createVerticesInput(jobGraph, verticesPath, numSubTasks, serializer, comparator);
    JobInputVertex edges = createEdgesInput(jobGraph, edgesPath, numSubTasks, serializer, comparator);

    // head
    JobTaskVertex head = createIterationHead(jobGraph, numSubTasks, serializer, comparator, pairComparator);
    TaskConfig headConfig = new TaskConfig(head.getConfiguration());
    headConfig.setWaitForSolutionSetUpdate();

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

    // output and auxiliaries
    JobOutputVertex output = createOutput(jobGraph, resultPath, numSubTasks, serializer);
    JobOutputVertex fakeTail = createFakeTail(jobGraph, numSubTasks);
    JobOutputVertex sync = createSync(jobGraph, numSubTasks, maxIterations);

    // ------------------ the intermediate (ws update) ----------------------
    JobTaskVertex wsUpdateIntermediate =
      JobGraphUtils.createTask(IterationIntermediatePactTask.class, "WorksetUpdate", jobGraph,
        numSubTasks, numSubTasks);
    TaskConfig wsUpdateConfig = new TaskConfig(wsUpdateIntermediate.getConfiguration());
    {
      wsUpdateConfig.setIterationId(ITERATION_ID);
      wsUpdateConfig.setIsWorksetIteration();
      wsUpdateConfig.setIsWorksetUpdate();

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

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

      wsUpdateConfig.setOutputSerializer(serializer);

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

    // -------------------------- ss tail --------------------------------
    JobTaskVertex ssTail =
      JobGraphUtils.createTask(IterationTailPactTask.class, "IterationSolutionSetTail", jobGraph,
        numSubTasks, 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);

      // output
      ssTailConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
      ssTailConfig.setOutputSerializer(serializer);

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

    // edges

    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, wsUpdateIntermediate, ChannelType.NETWORK,
      DistributionPattern.POINTWISE);
    wsUpdateConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);

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

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

    JobGraphUtils.connect(ssTail, fakeTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
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  private static JobOutputVertex createOutput(JobGraph jobGraph, String resultPath, int numSubTasks, TypeSerializerFactory<?> serializer) {
   
    JobOutputVertex output = JobGraphUtils.createFileOutput(jobGraph, "Output", numSubTasks, numSubTasks);

    {
      TaskConfig taskConfig = new TaskConfig(output.getConfiguration());
      taskConfig.addInputToGroup(0);
      taskConfig.setInputSerializer(serializer, 0);

      PointOutFormat outFormat = new PointOutFormat();
      outFormat.setOutputFilePath(new Path(resultPath));
     
      taskConfig.setStubWrapper(new UserCodeObjectWrapper<PointOutFormat>(outFormat));
    }

    return output;
  }
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  }
 
  private static JobTaskVertex createIterationHead(JobGraph jobGraph, int numSubTasks, TypeSerializerFactory<?> serializer) {
    JobTaskVertex head = JobGraphUtils.createTask(IterationHeadPactTask.class, "Iteration Head", jobGraph, numSubTasks, numSubTasks);

    TaskConfig headConfig = new TaskConfig(head.getConfiguration());
    headConfig.setIterationId(ITERATION_ID);
   
    // initial input / partial solution
    headConfig.addInputToGroup(0);
    headConfig.setIterationHeadPartialSolutionOrWorksetInputIndex(0);
    headConfig.setInputSerializer(serializer, 0);
   
    // back channel / iterations
    headConfig.setBackChannelMemory(MEMORY_PER_CONSUMER * JobGraphUtils.MEGABYTE);
   
    // output into iteration. broadcasting the centers
    headConfig.setOutputSerializer(serializer);
    headConfig.addOutputShipStrategy(ShipStrategyType.BROADCAST);
   
    // final output
    TaskConfig headFinalOutConfig = new TaskConfig(new Configuration());
    headFinalOutConfig.setOutputSerializer(serializer);
    headFinalOutConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
    headConfig.setIterationHeadFinalOutputConfig(headFinalOutConfig);
   
    // the sync
    headConfig.setIterationHeadIndexOfSyncOutput(2);
   
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      TypeComparatorFactory<?> outputComparator)
  {
    JobTaskVertex mapper = JobGraphUtils.createTask(IterationIntermediatePactTask.class,
      "Map (Select nearest center)", jobGraph, numSubTasks, numSubTasks);
   
    TaskConfig intermediateConfig = new TaskConfig(mapper.getConfiguration());
    intermediateConfig.setIterationId(ITERATION_ID);
   
    intermediateConfig.setDriver(CollectorMapDriver.class);
    intermediateConfig.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
    intermediateConfig.addInputToGroup(0);
    intermediateConfig.setInputSerializer(inputSerializer, 0);
   
    intermediateConfig.setOutputSerializer(outputSerializer);
    intermediateConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
    intermediateConfig.setOutputComparator(outputComparator, 0);

    intermediateConfig.setBroadcastInputName("centers", 0);
    intermediateConfig.addBroadcastInputToGroup(0);
    intermediateConfig.setBroadcastInputSerializer(broadcastVarSerializer, 0);
   
    // the udf
    intermediateConfig.setStubWrapper(new UserCodeObjectWrapper<SelectNearestCenter>(new SelectNearestCenter()));
   
    return mapper;
  }
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    // head
    JobTaskVertex head = createIterationHead(jobGraph, numSubTasks, serializer, comparator, pairComparator);

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

    // output and auxiliaries
    JobOutputVertex output = createOutput(jobGraph, resultPath, numSubTasks, serializer);
    JobOutputVertex fakeTail = createFakeTail(jobGraph, numSubTasks);
    JobOutputVertex sync = createSync(jobGraph, numSubTasks, maxIterations);

    // ------------------ the intermediate (ss update) ----------------------
    JobTaskVertex ssJoinIntermediate = JobGraphUtils.createTask(IterationIntermediatePactTask.class,
      "Solution Set Update", jobGraph, numSubTasks, numSubTasks);
    TaskConfig ssJoinIntermediateConfig = new TaskConfig(ssJoinIntermediate.getConfiguration());
    {
      ssJoinIntermediateConfig.setIterationId(ITERATION_ID);
      ssJoinIntermediateConfig.setIsSolutionSetUpdate();
      ssJoinIntermediateConfig.setIsSolutionSetUpdateWithoutReprobe();

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

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

      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));
    }

    // -------------------------- ws tail --------------------------------
    JobTaskVertex wsTail = JobGraphUtils.createTask(IterationTailPactTask.class, "IterationWorksetTail",
      jobGraph, numSubTasks, 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.addOutputShipStrategy(ShipStrategyType.FORWARD);
      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, wsTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
    wsTailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);

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

    JobGraphUtils.connect(wsTail, fakeTail, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
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    // ---------------- the tail (co group) --------------------
   
    JobTaskVertex tail = JobGraphUtils.createTask(IterationTailPactTask.class, "Reduce / Iteration Tail", jobGraph,
      numSubTasks, numSubTasks);
   
    TaskConfig tailConfig = new TaskConfig(tail.getConfiguration());
    tailConfig.setIterationId(ITERATION_ID);
    tailConfig.setIsWorksetUpdate();
   
    // inputs and driver
    tailConfig.setDriver(GroupReduceDriver.class);
    tailConfig.setDriverStrategy(DriverStrategy.SORTED_GROUP_REDUCE);
    tailConfig.addInputToGroup(0);
    tailConfig.setInputSerializer(inputSerializer, 0);   
    tailConfig.setDriverComparator(inputComparator, 0);

    tailConfig.setInputLocalStrategy(0, LocalStrategy.SORT);
    tailConfig.setInputComparator(inputComparator, 0);
    tailConfig.setMemoryInput(0, MEMORY_PER_CONSUMER * JobGraphUtils.MEGABYTE);
    tailConfig.setFilehandlesInput(0, 128);
    tailConfig.setSpillingThresholdInput(0, 0.9f);
   
    // output
    tailConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
    tailConfig.setOutputSerializer(outputSerializer);
   
    // the udf
    tailConfig.setStubWrapper(new UserCodeObjectWrapper<RecomputeClusterCenter>(new RecomputeClusterCenter()));
   
    return tail;
  }
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