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

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

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    this.sorters = new ArrayList<UnilateralSortMerger<Record>>();
   
    this.owner = new DummyInvokable();
   
    this.config = new Configuration();
    this.taskConfig = new TaskConfig(this.config);
  }
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      addInput(new UniformRecordGenerator(keyCnt, valCnt, false), 0);
      addOutput(this.outList);
     
      // chained combine config
      {
        final TaskConfig combineConfig = new TaskConfig(new Configuration());
 
        // input
        combineConfig.addInputToGroup(0);
        combineConfig.setInputSerializer(serFact, 0);
       
        // output
        combineConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
        combineConfig.setOutputSerializer(serFact);
       
        // driver
        combineConfig.setDriverStrategy(DriverStrategy.SORTED_GROUP_COMBINE);
        combineConfig.setDriverComparator(compFact, 0);
        combineConfig.setMemoryDriver(3 * 1024 * 1024);
       
        // udf
        combineConfig.setStubWrapper(new UserCodeClassWrapper<MockReduceStub>(MockReduceStub.class));
       
        getTaskConfig().addChainedTask(SynchronousChainedCombineDriver.class, combineConfig, "combine");
      }
     
      // chained map+combine
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    this.mockEnv = new MockEnvironment(this.memorySize, this.inputSplitProvider, bufferSize);
  }

  public void addInput(MutableObjectIterator<Record> input, int groupId) {
    this.mockEnv.addInput(input);
    TaskConfig conf = new TaskConfig(this.mockEnv.getTaskConfiguration());
    conf.addInputToGroup(groupId);
    conf.setInputSerializer(RecordSerializerFactory.get(), groupId);
  }
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    conf.setInputSerializer(RecordSerializerFactory.get(), groupId);
  }

  public void addOutput(List<Record> output) {
    this.mockEnv.addOutput(output);
    TaskConfig conf = new TaskConfig(this.mockEnv.getTaskConfiguration());
    conf.addOutputShipStrategy(ShipStrategyType.FORWARD);
    conf.setOutputSerializer(RecordSerializerFactory.get());
  }
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      addInput(new UniformRecordGenerator(keyCnt, valCnt, false), 0);
      addOutput(this.outList);
 
      // chained combine config
      {
        final TaskConfig combineConfig = new TaskConfig(new Configuration());
 
        // input
        combineConfig.addInputToGroup(0);
        combineConfig.setInputSerializer(serFact, 0);
       
        // output
        combineConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
        combineConfig.setOutputSerializer(serFact);
       
        // driver
        combineConfig.setDriverStrategy(DriverStrategy.SORTED_GROUP_COMBINE);
        combineConfig.setDriverComparator(compFact, 0);
        combineConfig.setMemoryDriver(3 * 1024 * 1024);
       
        // udf
        combineConfig.setStubWrapper(new UserCodeClassWrapper<MockFailingCombineStub>(MockFailingCombineStub.class));
       
        getTaskConfig().addChainedTask(SynchronousChainedCombineDriver.class, combineConfig, "combine");
      }
     
      // chained map+combine
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    conf.addOutputShipStrategy(ShipStrategyType.FORWARD);
    conf.setOutputSerializer(RecordSerializerFactory.get());
  }

  public TaskConfig getTaskConfig() {
    return new TaskConfig(this.mockEnv.getTaskConfiguration());
  }
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  public Configuration getConfiguration() {
    return this.mockEnv.getTaskConfiguration();
  }

  public void registerTask(AbstractTask task, @SuppressWarnings("rawtypes") Class<? extends PactDriver> driver, Class<? extends Function> stubClass) {
    final TaskConfig config = new TaskConfig(this.mockEnv.getTaskConfiguration());
    config.setDriver(driver);
    config.setStubWrapper(new UserCodeClassWrapper<Function>(stubClass));
   
    task.setEnvironment(this.mockEnv);

    if (task instanceof RegularPactTask<?, ?>) {
      ((RegularPactTask<?, ?>) task).setUserCodeClassLoader(getClass().getClassLoader());
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  {
    registerFileOutputTask(outTask, InstantiationUtil.instantiate(stubClass, FileOutputFormat.class), outPath);
  }
 
  public void registerFileOutputTask(AbstractOutputTask outTask, FileOutputFormat outputFormat, String outPath) {
    TaskConfig dsConfig = new TaskConfig(this.mockEnv.getTaskConfiguration());
   
    outputFormat.setOutputFilePath(new Path(outPath));
    outputFormat.setWriteMode(WriteMode.OVERWRITE);

    dsConfig.setStubWrapper(new UserCodeObjectWrapper<FileOutputFormat>(outputFormat));

    outTask.setEnvironment(this.mockEnv);

    if (outTask instanceof DataSinkTask<?>) {
      ((DataSinkTask<?>) outTask).setUserCodeClassLoader(getClass().getClassLoader());
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    }
   
    format.setFilePath(inPath);
    format.setDelimiter(delimiter);
   
    TaskConfig dsConfig = new TaskConfig(this.mockEnv.getTaskConfiguration());
    dsConfig.setStubWrapper(new UserCodeObjectWrapper<DelimitedInputFormat>(format));
   
    this.inputSplitProvider.addInputSplits(inPath, 5);

    inTask.setEnvironment(this.mockEnv);
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  // --------------------------------------------------------------------------------------------

  @Override
  public void prepare() throws Exception {
    final TaskConfig config = this.taskContext.getTaskConfig();
    if (config.getDriverStrategy() != DriverStrategy.ALL_REDUCE) {
      throw new Exception("Unrecognized driver strategy for AllReduce driver: " + config.getDriverStrategy().name());
    }
   
    TypeSerializerFactory<T> serializerFactory = this.taskContext.getInputSerializer(0);
    this.serializer = serializerFactory.getSerializer();
    this.input = this.taskContext.getInput(0);
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