org.apache.flink.optimizer.testfunctions.DummyCoGroupFunction Java Examples

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Example #1
Source File: CoGroupCustomPartitioningTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithTuples() {
	try {
		final Partitioner<Long> partitioner = new TestPartitionerLong();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Tuple2<Long, Long>> input1 = env.fromElements(new Tuple2<Long, Long>(0L, 0L));
		DataSet<Tuple3<Long, Long, Long>> input2 = env.fromElements(new Tuple3<Long, Long, Long>(0L, 0L, 0L));
		
		input1
			.coGroup(input2)
			.where(1).equalTo(0)
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Tuple2<Long, Long>, Tuple3<Long, Long, Long>>())
			.output(new DiscardingOutputFormat<Tuple2<Tuple2<Long, Long>, Tuple3<Long, Long, Long>>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #2
Source File: CoGroupCustomPartitioningTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithPojos() {
	try {
		final Partitioner<Integer> partitioner = new TestPartitionerInt();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Pojo2> input1 = env.fromElements(new Pojo2());
		DataSet<Pojo3> input2 = env.fromElements(new Pojo3());
		
		input1
			.coGroup(input2)
			.where("b").equalTo("a")
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Pojo2, Pojo3>())
			.output(new DiscardingOutputFormat<Tuple2<Pojo2, Pojo3>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #3
Source File: CoGroupCustomPartitioningTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithKeySelectors() {
	try {
		final Partitioner<Integer> partitioner = new TestPartitionerInt();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Pojo2> input1 = env.fromElements(new Pojo2());
		DataSet<Pojo3> input2 = env.fromElements(new Pojo3());
		
		input1
			.coGroup(input2)
			.where(new Pojo2KeySelector()).equalTo(new Pojo3KeySelector())
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Pojo2, Pojo3>())
			.output(new DiscardingOutputFormat<Tuple2<Pojo2, Pojo3>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #4
Source File: CoGroupCustomPartitioningTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithTuples() {
	try {
		final Partitioner<Long> partitioner = new TestPartitionerLong();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Tuple2<Long, Long>> input1 = env.fromElements(new Tuple2<Long, Long>(0L, 0L));
		DataSet<Tuple3<Long, Long, Long>> input2 = env.fromElements(new Tuple3<Long, Long, Long>(0L, 0L, 0L));
		
		input1
			.coGroup(input2)
			.where(1).equalTo(0)
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Tuple2<Long, Long>, Tuple3<Long, Long, Long>>())
			.output(new DiscardingOutputFormat<Tuple2<Tuple2<Long, Long>, Tuple3<Long, Long, Long>>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #5
Source File: CoGroupCustomPartitioningTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithPojos() {
	try {
		final Partitioner<Integer> partitioner = new TestPartitionerInt();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Pojo2> input1 = env.fromElements(new Pojo2());
		DataSet<Pojo3> input2 = env.fromElements(new Pojo3());
		
		input1
			.coGroup(input2)
			.where("b").equalTo("a")
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Pojo2, Pojo3>())
			.output(new DiscardingOutputFormat<Tuple2<Pojo2, Pojo3>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #6
Source File: CoGroupCustomPartitioningTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithKeySelectors() {
	try {
		final Partitioner<Integer> partitioner = new TestPartitionerInt();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Pojo2> input1 = env.fromElements(new Pojo2());
		DataSet<Pojo3> input2 = env.fromElements(new Pojo3());
		
		input1
			.coGroup(input2)
			.where(new Pojo2KeySelector()).equalTo(new Pojo3KeySelector())
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Pojo2, Pojo3>())
			.output(new DiscardingOutputFormat<Tuple2<Pojo2, Pojo3>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #7
Source File: CoGroupCustomPartitioningTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithTuples() {
	try {
		final Partitioner<Long> partitioner = new TestPartitionerLong();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Tuple2<Long, Long>> input1 = env.fromElements(new Tuple2<Long, Long>(0L, 0L));
		DataSet<Tuple3<Long, Long, Long>> input2 = env.fromElements(new Tuple3<Long, Long, Long>(0L, 0L, 0L));
		
		input1
			.coGroup(input2)
			.where(1).equalTo(0)
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Tuple2<Long, Long>, Tuple3<Long, Long, Long>>())
			.output(new DiscardingOutputFormat<Tuple2<Tuple2<Long, Long>, Tuple3<Long, Long, Long>>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #8
Source File: CoGroupCustomPartitioningTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithPojos() {
	try {
		final Partitioner<Integer> partitioner = new TestPartitionerInt();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Pojo2> input1 = env.fromElements(new Pojo2());
		DataSet<Pojo3> input2 = env.fromElements(new Pojo3());
		
		input1
			.coGroup(input2)
			.where("b").equalTo("a")
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Pojo2, Pojo3>())
			.output(new DiscardingOutputFormat<Tuple2<Pojo2, Pojo3>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #9
Source File: CoGroupCustomPartitioningTest.java    From flink with Apache License 2.0 5 votes vote down vote up
@Test
public void testCoGroupWithKeySelectors() {
	try {
		final Partitioner<Integer> partitioner = new TestPartitionerInt();
		
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		
		DataSet<Pojo2> input1 = env.fromElements(new Pojo2());
		DataSet<Pojo3> input2 = env.fromElements(new Pojo3());
		
		input1
			.coGroup(input2)
			.where(new Pojo2KeySelector()).equalTo(new Pojo3KeySelector())
			.withPartitioner(partitioner)
			.with(new DummyCoGroupFunction<Pojo2, Pojo3>())
			.output(new DiscardingOutputFormat<Tuple2<Pojo2, Pojo3>>());
		
		Plan p = env.createProgramPlan();
		OptimizedPlan op = compileNoStats(p);
		
		SinkPlanNode sink = op.getDataSinks().iterator().next();
		DualInputPlanNode join = (DualInputPlanNode) sink.getInput().getSource();
		
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput1().getShipStrategy());
		assertEquals(ShipStrategyType.PARTITION_CUSTOM, join.getInput2().getShipStrategy());
		assertEquals(partitioner, join.getInput1().getPartitioner());
		assertEquals(partitioner, join.getInput2().getPartitioner());
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #10
Source File: BranchingPlansCompilerTest.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up
/**
 * <pre>
 *                              SINK
 *                               |
 *                            COGROUP
 *                        +---/    \----+
 *                       /               \
 *                      /             MATCH10
 *                     /               |    \
 *                    /                |  MATCH9
 *                MATCH5               |  |   \
 *                |   \                |  | MATCH8
 *                | MATCH4             |  |  |   \
 *                |  |   \             |  |  | MATCH7
 *                |  | MATCH3          |  |  |  |   \
 *                |  |  |   \          |  |  |  | MATCH6
 *                |  |  | MATCH2       |  |  |  |  |  |
 *                |  |  |  |   \       +--+--+--+--+--+
 *                |  |  |  | MATCH1            MAP 
 *                \  |  |  |  |  | /-----------/
 *                (DATA SOURCE ONE)
 * </pre>
 */
@Test
public void testBranchingSourceMultipleTimes() {
	try {
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		env.setParallelism(DEFAULT_PARALLELISM);

		DataSet<Tuple2<Long, Long>> source = env.generateSequence(1, 10000000)
			.map(new Duplicator<Long>());

		DataSet<Tuple2<Long, Long>> joined1 = source.join(source).where(0).equalTo(0)
													.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined2 = source.join(joined1).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined3 = source.join(joined2).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined4 = source.join(joined3).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined5 = source.join(joined4).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> mapped = source.map(
				new MapFunction<Tuple2<Long, Long>, Tuple2<Long, Long>>() {
					@Override
					public Tuple2<Long, Long> map(Tuple2<Long, Long> value) {
						return null;
					}
		});

		DataSet<Tuple2<Long, Long>> joined6 = mapped.join(mapped).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined7 = mapped.join(joined6).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined8 = mapped.join(joined7).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined9 = mapped.join(joined8).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined10 = mapped.join(joined9).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());


		joined5.coGroup(joined10)
				.where(1).equalTo(1)
				.with(new DummyCoGroupFunction<Tuple2<Long, Long>, Tuple2<Long, Long>>())

			.output(new DiscardingOutputFormat<Tuple2<Tuple2<Long, Long>, Tuple2<Long, Long>>>());

		Plan plan = env.createProgramPlan();
		OptimizedPlan oPlan = compileNoStats(plan);
		new JobGraphGenerator().compileJobGraph(oPlan);
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #11
Source File: BranchingPlansCompilerTest.java    From flink with Apache License 2.0 4 votes vote down vote up
/**
 * <pre>
 *                              SINK
 *                               |
 *                            COGROUP
 *                        +---/    \----+
 *                       /               \
 *                      /             MATCH10
 *                     /               |    \
 *                    /                |  MATCH9
 *                MATCH5               |  |   \
 *                |   \                |  | MATCH8
 *                | MATCH4             |  |  |   \
 *                |  |   \             |  |  | MATCH7
 *                |  | MATCH3          |  |  |  |   \
 *                |  |  |   \          |  |  |  | MATCH6
 *                |  |  | MATCH2       |  |  |  |  |  |
 *                |  |  |  |   \       +--+--+--+--+--+
 *                |  |  |  | MATCH1            MAP 
 *                \  |  |  |  |  | /-----------/
 *                (DATA SOURCE ONE)
 * </pre>
 */
@Test
public void testBranchingSourceMultipleTimes() {
	try {
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		env.setParallelism(DEFAULT_PARALLELISM);

		DataSet<Tuple2<Long, Long>> source = env.generateSequence(1, 10000000)
			.map(new Duplicator<Long>());

		DataSet<Tuple2<Long, Long>> joined1 = source.join(source).where(0).equalTo(0)
													.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined2 = source.join(joined1).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined3 = source.join(joined2).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined4 = source.join(joined3).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined5 = source.join(joined4).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> mapped = source.map(
				new MapFunction<Tuple2<Long, Long>, Tuple2<Long, Long>>() {
					@Override
					public Tuple2<Long, Long> map(Tuple2<Long, Long> value) {
						return null;
					}
		});

		DataSet<Tuple2<Long, Long>> joined6 = mapped.join(mapped).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined7 = mapped.join(joined6).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined8 = mapped.join(joined7).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined9 = mapped.join(joined8).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined10 = mapped.join(joined9).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());


		joined5.coGroup(joined10)
				.where(1).equalTo(1)
				.with(new DummyCoGroupFunction<Tuple2<Long, Long>, Tuple2<Long, Long>>())

			.output(new DiscardingOutputFormat<Tuple2<Tuple2<Long, Long>, Tuple2<Long, Long>>>());

		Plan plan = env.createProgramPlan();
		OptimizedPlan oPlan = compileNoStats(plan);
		new JobGraphGenerator().compileJobGraph(oPlan);
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}
 
Example #12
Source File: BranchingPlansCompilerTest.java    From flink with Apache License 2.0 4 votes vote down vote up
/**
 * <pre>
 *                              SINK
 *                               |
 *                            COGROUP
 *                        +---/    \----+
 *                       /               \
 *                      /             MATCH10
 *                     /               |    \
 *                    /                |  MATCH9
 *                MATCH5               |  |   \
 *                |   \                |  | MATCH8
 *                | MATCH4             |  |  |   \
 *                |  |   \             |  |  | MATCH7
 *                |  | MATCH3          |  |  |  |   \
 *                |  |  |   \          |  |  |  | MATCH6
 *                |  |  | MATCH2       |  |  |  |  |  |
 *                |  |  |  |   \       +--+--+--+--+--+
 *                |  |  |  | MATCH1            MAP 
 *                \  |  |  |  |  | /-----------/
 *                (DATA SOURCE ONE)
 * </pre>
 */
@Test
public void testBranchingSourceMultipleTimes() {
	try {
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		env.setParallelism(DEFAULT_PARALLELISM);

		DataSet<Tuple2<Long, Long>> source = env.generateSequence(1, 10000000)
			.map(new Duplicator<Long>());

		DataSet<Tuple2<Long, Long>> joined1 = source.join(source).where(0).equalTo(0)
													.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined2 = source.join(joined1).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined3 = source.join(joined2).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined4 = source.join(joined3).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined5 = source.join(joined4).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> mapped = source.map(
				new MapFunction<Tuple2<Long, Long>, Tuple2<Long, Long>>() {
					@Override
					public Tuple2<Long, Long> map(Tuple2<Long, Long> value) {
						return null;
					}
		});

		DataSet<Tuple2<Long, Long>> joined6 = mapped.join(mapped).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined7 = mapped.join(joined6).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined8 = mapped.join(joined7).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined9 = mapped.join(joined8).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());

		DataSet<Tuple2<Long, Long>> joined10 = mapped.join(joined9).where(0).equalTo(0)
				.with(new DummyFlatJoinFunction<Tuple2<Long, Long>>());


		joined5.coGroup(joined10)
				.where(1).equalTo(1)
				.with(new DummyCoGroupFunction<Tuple2<Long, Long>, Tuple2<Long, Long>>())

			.output(new DiscardingOutputFormat<Tuple2<Tuple2<Long, Long>, Tuple2<Long, Long>>>());

		Plan plan = env.createProgramPlan();
		OptimizedPlan oPlan = compileNoStats(plan);
		new JobGraphGenerator().compileJobGraph(oPlan);
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}