Examples with FilterFunction org.apache.flink.api.common.functions.FilterFunction used on opensource projects

Example 31 with FilterFunction

use of org.apache.flink.api.common.functions.FilterFunction in project flink by apache.

the class SlotAllocationTest method testTwoPipelines.

@Test
public void testTwoPipelines() {
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    FilterFunction<Long> dummyFilter = new FilterFunction<Long>() {

        @Override
        public boolean filter(Long value) {
            return false;
        }
    };
    env.generateSequence(1, 10).filter(dummyFilter).slotSharingGroup("isolated").filter(dummyFilter).slotSharingGroup("default").disableChaining().filter(dummyFilter).slotSharingGroup("group 1").filter(dummyFilter).startNewChain().print().disableChaining();
    // verify that a second pipeline does not inherit the groups from the first pipeline
    env.generateSequence(1, 10).filter(dummyFilter).slotSharingGroup("isolated-2").filter(dummyFilter).slotSharingGroup("default").disableChaining().filter(dummyFilter).slotSharingGroup("group 2").filter(dummyFilter).startNewChain().print().disableChaining();
    JobGraph jobGraph = env.getStreamGraph().getJobGraph();
    List<JobVertex> vertices = jobGraph.getVerticesSortedTopologicallyFromSources();
    assertEquals(vertices.get(0).getSlotSharingGroup(), vertices.get(3).getSlotSharingGroup());
    assertNotEquals(vertices.get(0).getSlotSharingGroup(), vertices.get(2).getSlotSharingGroup());
    assertNotEquals(vertices.get(3).getSlotSharingGroup(), vertices.get(4).getSlotSharingGroup());
    assertEquals(vertices.get(4).getSlotSharingGroup(), vertices.get(5).getSlotSharingGroup());
    assertEquals(vertices.get(5).getSlotSharingGroup(), vertices.get(6).getSlotSharingGroup());
    int pipelineStart = 6;
    assertEquals(vertices.get(1).getSlotSharingGroup(), vertices.get(pipelineStart + 2).getSlotSharingGroup());
    assertNotEquals(vertices.get(1).getSlotSharingGroup(), vertices.get(pipelineStart + 1).getSlotSharingGroup());
    assertNotEquals(vertices.get(pipelineStart + 2).getSlotSharingGroup(), vertices.get(pipelineStart + 3).getSlotSharingGroup());
    assertEquals(vertices.get(pipelineStart + 3).getSlotSharingGroup(), vertices.get(pipelineStart + 4).getSlotSharingGroup());
    assertEquals(vertices.get(pipelineStart + 4).getSlotSharingGroup(), vertices.get(pipelineStart + 5).getSlotSharingGroup());
}

Example 32 with FilterFunction

use of org.apache.flink.api.common.functions.FilterFunction in project flink by apache.

the class SlotAllocationTest method testInheritOverride.

@Test
public void testInheritOverride() {
    // verify that we can explicitly disable inheritance of the input slot sharing groups
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    FilterFunction<Long> dummyFilter = new FilterFunction<Long>() {

        @Override
        public boolean filter(Long value) {
            return false;
        }
    };
    DataStream<Long> src1 = env.generateSequence(1, 10).slotSharingGroup("group-1");
    DataStream<Long> src2 = env.generateSequence(1, 10).slotSharingGroup("group-1");
    // this should not inherit group but be in "default"
    src1.union(src2).filter(dummyFilter).slotSharingGroup("default");
    JobGraph jobGraph = env.getStreamGraph().getJobGraph();
    List<JobVertex> vertices = jobGraph.getVerticesSortedTopologicallyFromSources();
    assertEquals(vertices.get(0).getSlotSharingGroup(), vertices.get(1).getSlotSharingGroup());
    assertNotEquals(vertices.get(0).getSlotSharingGroup(), vertices.get(2).getSlotSharingGroup());
    assertNotEquals(vertices.get(1).getSlotSharingGroup(), vertices.get(2).getSlotSharingGroup());
}

Example 33 with FilterFunction

use of org.apache.flink.api.common.functions.FilterFunction in project flink by apache.

the class StreamingJobGraphGeneratorTest method testResourcesForIteration.

/**
	 * Verifies that the resources are merged correctly for chained operators (covers middle chaining and iteration cases)
	 * when generating job graph
	 */
@Test
public void testResourcesForIteration() throws Exception {
    ResourceSpec resource1 = new ResourceSpec(0.1, 100);
    ResourceSpec resource2 = new ResourceSpec(0.2, 200);
    ResourceSpec resource3 = new ResourceSpec(0.3, 300);
    ResourceSpec resource4 = new ResourceSpec(0.4, 400);
    ResourceSpec resource5 = new ResourceSpec(0.5, 500);
    Method opMethod = SingleOutputStreamOperator.class.getDeclaredMethod("setResources", ResourceSpec.class);
    opMethod.setAccessible(true);
    Method sinkMethod = DataStreamSink.class.getDeclaredMethod("setResources", ResourceSpec.class);
    sinkMethod.setAccessible(true);
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    DataStream<Integer> source = env.addSource(new ParallelSourceFunction<Integer>() {

        @Override
        public void run(SourceContext<Integer> ctx) throws Exception {
        }

        @Override
        public void cancel() {
        }
    }).name("test_source");
    opMethod.invoke(source, resource1);
    IterativeStream<Integer> iteration = source.iterate(3000);
    opMethod.invoke(iteration, resource2);
    DataStream<Integer> flatMap = iteration.flatMap(new FlatMapFunction<Integer, Integer>() {

        @Override
        public void flatMap(Integer value, Collector<Integer> out) throws Exception {
            out.collect(value);
        }
    }).name("test_flatMap");
    opMethod.invoke(flatMap, resource3);
    // CHAIN(flatMap -> Filter)
    DataStream<Integer> increment = flatMap.filter(new FilterFunction<Integer>() {

        @Override
        public boolean filter(Integer value) throws Exception {
            return false;
        }
    }).name("test_filter");
    opMethod.invoke(increment, resource4);
    DataStreamSink<Integer> sink = iteration.closeWith(increment).addSink(new SinkFunction<Integer>() {

        @Override
        public void invoke(Integer value) throws Exception {
        }
    }).disableChaining().name("test_sink");
    sinkMethod.invoke(sink, resource5);
    JobGraph jobGraph = new StreamingJobGraphGenerator(env.getStreamGraph(), 1).createJobGraph();
    for (JobVertex jobVertex : jobGraph.getVertices()) {
        if (jobVertex.getName().contains("test_source")) {
            assertTrue(jobVertex.getMinResources().equals(resource1));
        } else if (jobVertex.getName().contains("Iteration_Source")) {
            assertTrue(jobVertex.getPreferredResources().equals(resource2));
        } else if (jobVertex.getName().contains("test_flatMap")) {
            assertTrue(jobVertex.getMinResources().equals(resource3.merge(resource4)));
        } else if (jobVertex.getName().contains("Iteration_Tail")) {
            assertTrue(jobVertex.getPreferredResources().equals(ResourceSpec.DEFAULT));
        } else if (jobVertex.getName().contains("test_sink")) {
            assertTrue(jobVertex.getMinResources().equals(resource5));
        }
    }
}

Example 34 with FilterFunction

use of org.apache.flink.api.common.functions.FilterFunction in project flink by apache.

the class SlotAllocationTest method testUnion.

@Test
public void testUnion() {
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    FilterFunction<Long> dummyFilter = new FilterFunction<Long>() {

        @Override
        public boolean filter(Long value) {
            return false;
        }
    };
    DataStream<Long> src1 = env.generateSequence(1, 10);
    DataStream<Long> src2 = env.generateSequence(1, 10).slotSharingGroup("src-1");
    // this should not inherit group "src-1"
    src1.union(src2).filter(dummyFilter);
    DataStream<Long> src3 = env.generateSequence(1, 10).slotSharingGroup("group-1");
    DataStream<Long> src4 = env.generateSequence(1, 10).slotSharingGroup("group-1");
    // this should inherit "group-1" now
    src3.union(src4).filter(dummyFilter);
    JobGraph jobGraph = env.getStreamGraph().getJobGraph();
    List<JobVertex> vertices = jobGraph.getVerticesSortedTopologicallyFromSources();
    // first pipeline
    assertEquals(vertices.get(0).getSlotSharingGroup(), vertices.get(4).getSlotSharingGroup());
    assertNotEquals(vertices.get(0).getSlotSharingGroup(), vertices.get(1).getSlotSharingGroup());
    assertNotEquals(vertices.get(1).getSlotSharingGroup(), vertices.get(4).getSlotSharingGroup());
    // second pipeline
    assertEquals(vertices.get(2).getSlotSharingGroup(), vertices.get(3).getSlotSharingGroup());
    assertEquals(vertices.get(2).getSlotSharingGroup(), vertices.get(5).getSlotSharingGroup());
    assertEquals(vertices.get(3).getSlotSharingGroup(), vertices.get(5).getSlotSharingGroup());
}

Example 35 with FilterFunction

use of org.apache.flink.api.common.functions.FilterFunction in project flink by apache.

the class ManualWindowSpeedITCase method testTumblingIngestionTimeWindowsWithRocksDBBackendWithLateness.

@Test
public void testTumblingIngestionTimeWindowsWithRocksDBBackendWithLateness() throws Exception {
    final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.setStreamTimeCharacteristic(TimeCharacteristic.IngestionTime);
    env.setParallelism(1);
    env.setStateBackend(new RocksDBStateBackend(new MemoryStateBackend()));
    env.addSource(new InfiniteTupleSource(10_000)).keyBy(0).timeWindow(Time.seconds(3)).allowedLateness(Time.seconds(1)).reduce(new ReduceFunction<Tuple2<String, Integer>>() {

        private static final long serialVersionUID = 1L;

        @Override
        public Tuple2<String, Integer> reduce(Tuple2<String, Integer> value1, Tuple2<String, Integer> value2) throws Exception {
            return Tuple2.of(value1.f0, value1.f1 + value2.f1);
        }
    }).filter(new FilterFunction<Tuple2<String, Integer>>() {

        private static final long serialVersionUID = 1L;

        @Override
        public boolean filter(Tuple2<String, Integer> value) throws Exception {
            return value.f0.startsWith("Tuple 0");
        }
    }).print();
    env.execute();
}