Examples with DummyReducer org.apache.flink.optimizer.testfunctions.DummyReducer used on opensource projects

Example 1 with DummyReducer

use of org.apache.flink.optimizer.testfunctions.DummyReducer in project flink by apache.

the class GroupingKeySelectorTranslationTest method testCustomPartitioningKeySelectorReduce.

@Test
public void testCustomPartitioningKeySelectorReduce() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        DataSet<Tuple2<Integer, Integer>> data = env.fromElements(new Tuple2<Integer, Integer>(0, 0)).rebalance().setParallelism(4);
        data.groupBy(new TestKeySelector<Tuple2<Integer, Integer>>()).withPartitioner(new TestPartitionerInt()).reduce(new DummyReducer<Tuple2<Integer, Integer>>()).output(new DiscardingOutputFormat<Tuple2<Integer, Integer>>());
        Plan p = env.createProgramPlan();
        OptimizedPlan op = compileNoStats(p);
        SinkPlanNode sink = op.getDataSinks().iterator().next();
        SingleInputPlanNode keyRemovingMapper = (SingleInputPlanNode) sink.getInput().getSource();
        SingleInputPlanNode reducer = (SingleInputPlanNode) keyRemovingMapper.getInput().getSource();
        SingleInputPlanNode combiner = (SingleInputPlanNode) reducer.getInput().getSource();
        assertEquals(ShipStrategyType.FORWARD, sink.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, keyRemovingMapper.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.PARTITION_CUSTOM, reducer.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, combiner.getInput().getShipStrategy());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 2 with DummyReducer

use of org.apache.flink.optimizer.testfunctions.DummyReducer in project flink by apache.

the class GroupingPojoTranslationTest method testCustomPartitioningTupleReduce.

@Test
public void testCustomPartitioningTupleReduce() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        DataSet<Pojo2> data = env.fromElements(new Pojo2()).rebalance().setParallelism(4);
        data.groupBy("a").withPartitioner(new TestPartitionerInt()).reduce(new DummyReducer<Pojo2>()).output(new DiscardingOutputFormat<Pojo2>());
        Plan p = env.createProgramPlan();
        OptimizedPlan op = compileNoStats(p);
        SinkPlanNode sink = op.getDataSinks().iterator().next();
        SingleInputPlanNode reducer = (SingleInputPlanNode) sink.getInput().getSource();
        SingleInputPlanNode combiner = (SingleInputPlanNode) reducer.getInput().getSource();
        assertEquals(ShipStrategyType.FORWARD, sink.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.PARTITION_CUSTOM, reducer.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, combiner.getInput().getShipStrategy());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 3 with DummyReducer

use of org.apache.flink.optimizer.testfunctions.DummyReducer in project flink by apache.

the class GroupingTupleTranslationTest method testCustomPartitioningTupleReduce.

@Test
public void testCustomPartitioningTupleReduce() {
    try {
        ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
        DataSet<Tuple2<Integer, Integer>> data = env.fromElements(new Tuple2<Integer, Integer>(0, 0)).rebalance().setParallelism(4);
        data.groupBy(0).withPartitioner(new TestPartitionerInt()).reduce(new DummyReducer<Tuple2<Integer, Integer>>()).output(new DiscardingOutputFormat<Tuple2<Integer, Integer>>());
        Plan p = env.createProgramPlan();
        OptimizedPlan op = compileNoStats(p);
        SinkPlanNode sink = op.getDataSinks().iterator().next();
        SingleInputPlanNode reducer = (SingleInputPlanNode) sink.getInput().getSource();
        SingleInputPlanNode combiner = (SingleInputPlanNode) reducer.getInput().getSource();
        assertEquals(ShipStrategyType.FORWARD, sink.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.PARTITION_CUSTOM, reducer.getInput().getShipStrategy());
        assertEquals(ShipStrategyType.FORWARD, combiner.getInput().getShipStrategy());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}