Package eu.stratosphere.api.java.record.operators

Examples of eu.stratosphere.api.java.record.operators.FileDataSource

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  @Test
  public void checkPropertyHandlingWithIncreasingGlobalParallelism2() {
    final int degOfPar = DEFAULT_PARALLELISM;
   
    // construct the plan
    FileDataSource source = new FileDataSource(new DummyInputFormat(), IN_FILE, "Source");
    source.setDegreeOfParallelism(degOfPar);
   
    MapOperator map1 = MapOperator.builder(new IdentityMap()).name("Map1").build();
    map1.setDegreeOfParallelism(degOfPar);
    map1.setInput(source);
   
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  @Test
  public void checkPropertyHandlingWithIncreasingLocalParallelism() {
    final int degOfPar = 2 * DEFAULT_PARALLELISM;
   
    // construct the plan
    FileDataSource source = new FileDataSource(new DummyInputFormat(), IN_FILE, "Source");
    source.setDegreeOfParallelism(degOfPar);
   
    MapOperator map1 = MapOperator.builder(new IdentityMap()).name("Map1").build();
    map1.setDegreeOfParallelism(degOfPar);
    map1.setInput(source);
   
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  public void checkPropertyHandlingWithDecreasingDegreeOfParallelism()
  {
    final int degOfPar = DEFAULT_PARALLELISM;
   
    // construct the plan
    FileDataSource source = new FileDataSource(new DummyInputFormat(), IN_FILE, "Source");
    source.setDegreeOfParallelism(degOfPar * 2);
   
    MapOperator map1 = MapOperator.builder(new IdentityMap()).name("Map1").build();
    map1.setDegreeOfParallelism(degOfPar * 2);
    map1.setInput(source);
   
 
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   */
  @Test
  public void checkPropertyHandlingWithTwoInputs() {
    // construct the plan

    FileDataSource sourceA = new FileDataSource(new DummyInputFormat(), IN_FILE);
    FileDataSource sourceB = new FileDataSource(new DummyInputFormat(), IN_FILE);
   
    ReduceOperator redA = ReduceOperator.builder(new IdentityReduce(), IntValue.class, 0)
      .input(sourceA)
      .build();
    ReduceOperator redB = ReduceOperator.builder(new IdentityReduce(), IntValue.class, 0)
      .input(sourceB)
      .build();
   
    JoinOperator mat = JoinOperator.builder(new DummyMatchStub(), IntValue.class, 0, 0)
      .input1(redA)
      .input2(redB)
      .build();
   
    FileDataSink sink = new FileDataSink(new DummyOutputFormat(), OUT_FILE, mat);
   
    sourceA.setDegreeOfParallelism(5);
    sourceB.setDegreeOfParallelism(7);
    redA.setDegreeOfParallelism(5);
    redB.setDegreeOfParallelism(7);
   
    mat.setDegreeOfParallelism(5);
   
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    return toParameterList(config1);
  }
 
  static Plan getTestPlanPlan(int numSubTasks, String input, String output) {

    FileDataSource initialInput = new FileDataSource(TextInputFormat.class, input, "input");
   
    BulkIteration iteration = new BulkIteration("Loop");
    iteration.setInput(initialInput);
    iteration.setMaximumNumberOfIterations(NUM_ITERATIONS);
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  public Plan getPlan(int numSubTasks, String dataInput, String output) {


    // input is {word, count} pair
    FileDataSource source = new FileDataSource(new TextInputFormat(), dataInput, "Input Lines");

    //do a selection using cached file
    MapOperator mapper = MapOperator.builder(new TokenizeLine())
      .input(source)
      .name("Tokenize Lines")
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    final String dependencySetInput = (args.length > 3 ? args[3] : "");
    final String output = (args.length > 4 ? args[4] : "");
    final int maxIterations = (args.length > 5 ? Integer.parseInt(args[5]) : 1);
   
    // create DataSourceContract for the initalSolutionSet
    FileDataSource initialSolutionSet = new FileDataSource(new CsvInputFormat(' ', LongValue.class, DoubleValue.class), solutionSetInput, "Initial Solution Set");

    // create DataSourceContract for the initalDeltaSet
    FileDataSource initialDeltaSet = new FileDataSource(new CsvInputFormat(' ', LongValue.class, DoubleValue.class), deltasInput, "Initial DeltaSet");
       
    // create DataSourceContract for the edges
    FileDataSource dependencySet = new FileDataSource(new CsvInputFormat(' ', LongValue.class, LongValue.class, LongValue.class), dependencySetInput, "Dependency Set");
   
    DeltaIteration iteration = new DeltaIteration(0, "Delta PageRank");
    iteration.setInitialSolutionSet(initialSolutionSet);
    iteration.setInitialWorkset(initialDeltaSet);
    iteration.setMaximumNumberOfIterations(maxIterations);
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    String dataPointInput = (args.length > 1 ? args[1] : "");
    String clusterInput = (args.length > 2 ? args[2] : "");
    String output = (args.length > 3 ? args[3] : "");

    // create DataSourceContract for data point input
    @SuppressWarnings("unchecked")
    FileDataSource pointsSource = new FileDataSource(new CsvInputFormat('|', IntValue.class, DoubleValue.class, DoubleValue.class, DoubleValue.class), dataPointInput, "Data Points");

    // create DataSourceContract for cluster center input
    @SuppressWarnings("unchecked")
    FileDataSource clustersSource = new FileDataSource(new CsvInputFormat('|', IntValue.class, DoubleValue.class, DoubleValue.class, DoubleValue.class), clusterInput, "Centers");
   
    MapOperator dataPoints = MapOperator.builder(new PointBuilder()).name("Build data points").input(pointsSource).build();
   
    MapOperator clusterPoints = MapOperator.builder(new PointBuilder()).name("Build cluster points").input(clustersSource).build();
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     *                   +-------------+
     * </pre>
     */
    public Plan getPlan(String inputPath, String outputPath, int numSubtasks) {

      FileDataSource source = new FileDataSource(TextInputFormat.class, inputPath, "First Input");

      MapOperator wordsFirstInput = MapOperator.builder(TokenizeLine.class)
        .input(source)
        .name("Words (First Input)")
        .build();
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      numIterations = Integer.parseInt(args[4]);
      numVertices = Long.parseLong(args[5]);
      numDanglingVertices = Long.parseLong(args[6]);
    }
   
    FileDataSource pageWithRankInput = new FileDataSource(new DanglingPageRankInputFormat(),
      pageWithRankInputPath, "DanglingPageWithRankInput");
    pageWithRankInput.getParameters().setLong(DanglingPageRankInputFormat.NUM_VERTICES_PARAMETER, numVertices);
   
    BulkIteration iteration = new BulkIteration("Page Rank Loop");
    iteration.setInput(pageWithRankInput);
   
    FileDataSource adjacencyListInput = new FileDataSource(new ImprovedAdjacencyListInputFormat(),
      adjacencyListInputPath, "AdjancencyListInput");
   
    JoinOperator join = JoinOperator.builder(new DotProductMatch(), LongValue.class, 0, 0)
        .input1(iteration.getPartialSolution())
        .input2(adjacencyListInput)
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Related Classes of eu.stratosphere.api.java.record.operators.FileDataSource

  • eu.stratosphere.pact.compiler.AdditionalOperatorsTest
  • eu.stratosphere.pact.compiler.BranchingPlansCompilerTest
  • eu.stratosphere.pact.compiler.DOPChangeTest
  • eu.stratosphere.pact.compiler.GroupOrderTest
  • eu.stratosphere.pact.compiler.HardPlansCompilationTest
  • eu.stratosphere.pact.compiler.ReduceAllTest
  • eu.stratosphere.pact.compiler.UnionPropertyPropagationTest
  • eu.stratosphere.pact.compiler.WorksetIterationsRecordApiCompilerTest
  • eu.stratosphere.test.accumulators.AccumulatorITCase
  • eu.stratosphere.test.accumulators.AccumulatorIterativeITCase
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