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

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

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        MapOperator.builder(OFilter.class)
      .name("OrdersFilter")
      .build();
    ordersFilter.setDegreeOfParallelism(degreeOfParallelism);
   
    JoinOperator join =
        JoinOperator.builder(JoinLiO.class, IntValue.class, 0, 0)
      .name("OrdersLineitemsJoin")
      .build();
      join.setDegreeOfParallelism(degreeOfParallelism);
   
    ReduceOperator aggregation =
        ReduceOperator.builder(CountAgg.class, StringValue.class, 0)
      .name("AggregateGroupBy")
      .build();
    aggregation.setDegreeOfParallelism(this.degreeOfParallelism);
   
    lineFilter.setInput(lineItems);
    ordersFilter.setInput(orders);
    join.setFirstInput(ordersFilter);
    join.setSecondInput(lineFilter);
    aggregation.setInput(join);
    result.setInput(aggregation);
   
     
    return new Plan(result, "TPC-H 4");
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    ReduceOperator buildTriads = ReduceOperator.builder(new BuildTriads(), IntValue.class, 0)
        .input(toLowerDegreeEdge)
        .name("Build Triads")
        .build();

    JoinOperator closeTriads = JoinOperator.builder(new CloseTriads(), IntValue.class, 1, 0)
        .keyField(IntValue.class, 2, 1)
        .input1(buildTriads)
        .input2(projectOutCounts)
        .name("Close Triads")
        .build();
    closeTriads.setParameter("INPUT_SHIP_STRATEGY", "SHIP_REPARTITION_HASH");
    closeTriads.setParameter("LOCAL_STRATEGY", "LOCAL_STRATEGY_HASH_BUILD_SECOND");

    FileDataSink triangles = new FileDataSink(new TriangleOutputFormat(), output, closeTriads, "Triangles");

    Plan p = new Plan(triangles, "Enumerate Triangles");
    p.setDefaultParallelism(numSubTasks);
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    // create DataSourceContract for the edges
    FileDataSource edges = new FileDataSource(new CsvInputFormat(' ', LongValue.class, LongValue.class), edgeInput, "Edges");

    // create CrossOperator for distance computation
    JoinOperator joinWithNeighbors = JoinOperator.builder(new NeighborWithComponentIDJoin(), LongValue.class, 0, 0)
        .input1(iteration.getWorkset())
        .input2(edges)
        .name("Join Candidate Id With Neighbor")
        .build();

    // create ReduceOperator for finding the nearest cluster centers
    ReduceOperator minCandidateId = ReduceOperator.builder(new MinimumComponentIDReduce(), LongValue.class, 0)
        .input(joinWithNeighbors)
        .name("Find Minimum Candidate Id")
        .build();
   
    // create CrossOperator for distance computation
    JoinOperator updateComponentId = JoinOperator.builder(new UpdateComponentIdMatchMirrored(), LongValue.class, 0, 0)
        .input1(iteration.getSolutionSet())
        .input2(minCandidateId)
        .name("Update Component Id")
        .build();
   
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        .input(countJoiner).name("Project out Counts").build();

    ReduceOperator buildTriads = ReduceOperator.builder(new BuildTriads(), IntValue.class, 0)
        .input(toLowerDegreeEdge).name("Build Triads").build();

    JoinOperator closeTriads = JoinOperator.builder(new CloseTriads(), IntValue.class, 1, 0)
        .keyField(IntValue.class, 2, 1)
        .input1(buildTriads).input2(projectOutCounts)
        .name("Close Triads").build();
    closeTriads.setParameter("INPUT_SHIP_STRATEGY", "SHIP_REPARTITION_HASH");
    closeTriads.setParameter("LOCAL_STRATEGY", "LOCAL_STRATEGY_HASH_BUILD_SECOND");

    FileDataSink triangles = new FileDataSink(new TriangleOutputFormat(), output, closeTriads, "Triangles");

    Plan p = new Plan(triangles, "Enumerate Triangles");
    p.setDefaultParallelism(numSubTasks);
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    // test serializable iterator input, the input record is {id, word}
    CollectionDataSource source = new CollectionDataSource(new SerializableIteratorTest(), "test_iterator");
    // test collection input, the input record is {id, count}
    CollectionDataSource source2 = new CollectionDataSource(tmp, "test_collection");

    JoinOperator join = JoinOperator.builder(Join.class, IntValue.class, 0, 0)
      .input1(source).input2(source2).build();

    FileDataSink out = new FileDataSink(new CsvOutputFormat(), output, join, "Collection Join");
    CsvOutputFormat.configureRecordFormat(out)
      .recordDelimiter('\n')
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      .fieldDelimiter('|')
      .field(IntValue.class, 0)
      .field(StringValue.class, 6);
   
    // create JoinOperator for joining Orders and LineItems
    JoinOperator joinCO = JoinOperator.builder(new JoinCO(), IntValue.class, 0, 0)
      .name("JoinCO")
      .build();
    joinCO.setDegreeOfParallelism(numSubtasks);

    // create ReduceOperator for aggregating the result
    ReduceOperator aggCO = ReduceOperator.builder(new AggCO(), StringValue.class, 1)
      .name("AggCo")
      .build();
    aggCO.setDegreeOfParallelism(numSubtasks);

    // create DataSinkContract for writing the result
    FileDataSink result = new FileDataSink(new CsvOutputFormat(), output, "Output");
    result.setDegreeOfParallelism(numSubtasks);
    CsvOutputFormat.configureRecordFormat(result)
      .recordDelimiter('\n')
      .fieldDelimiter('|')
      .field(IntValue.class, 0)
      .field(StringValue.class, 1);

    // assemble the plan
    result.setInput(aggCO);
    aggCO.setInput(joinCO);
    joinCO.setFirstInput(orders);
    joinCO.setSecondInput(customers);

    return new Plan(result, "TPCH Asterix");
  }
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    // create DataSourceContract for the edges
    FileDataSource edges = new FileDataSource(new CsvInputFormat(' ', LongValue.class, LongValue.class), edgeInput, "Edges");

    // create CrossOperator for distance computation
    JoinOperator joinWithNeighbors = JoinOperator.builder(new NeighborWithComponentIDJoin(), LongValue.class, 0, 0)
        .input1(iteration.getWorkset())
        .input2(edges)
        .name("Join Candidate Id With Neighbor")
        .build();
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    ReduceOperator buildTriads = ReduceOperator.builder(new BuildTriads(), StringValue.class, 0)
      .name("Build Triads")
      .build();

    JoinOperator closeTriads = JoinOperator.builder(new CloseTriads(), StringValue.class, 1, 0)
      .keyField(StringValue.class, 2, 1)
      .name("Close Triads")
      .build();
    closeTriads.setParameter("INPUT_LEFT_SHIP_STRATEGY", "SHIP_REPARTITION_HASH");
    closeTriads.setParameter("INPUT_RIGHT_SHIP_STRATEGY", "SHIP_REPARTITION_HASH");
    closeTriads.setParameter("LOCAL_STRATEGY", "LOCAL_STRATEGY_HASH_BUILD_SECOND");

    FileDataSink triangles = new FileDataSink(new CsvOutputFormat(), output, "Output");
    CsvOutputFormat.configureRecordFormat(triangles)
      .recordDelimiter('\n')
      .fieldDelimiter(' ')
      .field(StringValue.class, 0)
      .field(StringValue.class, 1)
      .field(StringValue.class, 2);

    triangles.setInput(closeTriads);
    closeTriads.setSecondInput(edges);
    closeTriads.setFirstInput(buildTriads);
    buildTriads.setInput(edges);

    Plan plan = new Plan(triangles, "Enumerate Triangles");
    plan.setDefaultParallelism(numSubTasks);
    return plan;
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      .name("AggLines")
      .build();
    aggInput2.setDegreeOfParallelism(numSubtasksInput2);
   
    // create JoinOperator for joining Orders and LineItems
    JoinOperator joinLiO = JoinOperator.builder(JoinInputs.class, IntValue.class, 0, 0)
      .input1(aggInput1)
      .input2(aggInput2)
      .name("JoinLiO")
      .build();
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    // filter configuration
    filterO2.setParameter(TPCHQuery3.YEAR_FILTER, 1993);
    filterO2.setParameter(TPCHQuery3.PRIO_FILTER, "5");

    // create JoinOperator for joining Orders and LineItems
    @SuppressWarnings("unchecked")
    JoinOperator joinLiO = JoinOperator.builder(new JoinLiO(), LongValue.class, 0, 0)
      .input1(filterO2, filterO1)
      .input2(lineitems)
      .name("JoinLiO")
      .build();
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Related Classes of eu.stratosphere.api.java.record.operators.JoinOperator

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  • eu.stratosphere.test.cancelling.MatchJoinCancelingITCase
  • eu.stratosphere.test.compiler.examples.RelationalQueryCompilerTest
  • eu.stratosphere.test.compiler.iterations.ConnectedComponentsTest
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  • eu.stratosphere.test.iterative.ConnectedComponentsWithDeferredUpdateITCase
  • eu.stratosphere.test.iterative.ConnectedComponentsWithSolutionSetFirstITCase
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