Examples with OutputTag org.apache.flink.util.OutputTag used on opensource projects

Example 26 with OutputTag

use of org.apache.flink.util.OutputTag in project flink-mirror by flink-ci.

the class SideOutputITCase method testKeyedCoProcessFunctionSideOutput.

/**
 * Test keyed KeyedCoProcessFunction side output.
 */
@Test
public void testKeyedCoProcessFunctionSideOutput() throws Exception {
    final OutputTag<String> sideOutputTag = new OutputTag<String>("side") {
    };
    TestListResultSink<String> sideOutputResultSink = new TestListResultSink<>();
    TestListResultSink<Integer> resultSink = new TestListResultSink<>();
    StreamExecutionEnvironment see = StreamExecutionEnvironment.getExecutionEnvironment();
    see.setParallelism(3);
    DataStream<Integer> ds1 = see.fromCollection(elements);
    DataStream<Integer> ds2 = see.fromCollection(elements);
    SingleOutputStreamOperator<Integer> passThroughtStream = ds1.keyBy(i -> i).connect(ds2.keyBy(i -> i)).process(new KeyedCoProcessFunction<Integer, Integer, Integer, Integer>() {

        @Override
        public void processElement1(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            if (value < 3) {
                out.collect(value);
                ctx.output(sideOutputTag, "sideout1-" + ctx.getCurrentKey() + "-" + String.valueOf(value));
            }
        }

        @Override
        public void processElement2(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            if (value >= 3) {
                out.collect(value);
                ctx.output(sideOutputTag, "sideout2-" + ctx.getCurrentKey() + "-" + String.valueOf(value));
            }
        }
    });
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink);
    passThroughtStream.addSink(resultSink);
    see.execute();
    assertEquals(Arrays.asList("sideout1-1-1", "sideout1-2-2", "sideout2-3-3", "sideout2-4-4", "sideout2-5-5"), sideOutputResultSink.getSortedResult());
    assertEquals(Arrays.asList(1, 2, 3, 4, 5), resultSink.getSortedResult());
}

Example 27 with OutputTag

use of org.apache.flink.util.OutputTag in project flink-mirror by flink-ci.

the class SideOutputITCase method testProcessFunctionSideOutput.

/**
 * Test ProcessFunction side output.
 */
@Test
public void testProcessFunctionSideOutput() throws Exception {
    final OutputTag<String> sideOutputTag = new OutputTag<String>("side") {
    };
    TestListResultSink<String> sideOutputResultSink = new TestListResultSink<>();
    TestListResultSink<Integer> resultSink = new TestListResultSink<>();
    StreamExecutionEnvironment see = StreamExecutionEnvironment.getExecutionEnvironment();
    see.setParallelism(3);
    DataStream<Integer> dataStream = see.fromCollection(elements);
    SingleOutputStreamOperator<Integer> passThroughtStream = dataStream.process(new ProcessFunction<Integer, Integer>() {

        private static final long serialVersionUID = 1L;

        @Override
        public void processElement(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            out.collect(value);
            ctx.output(sideOutputTag, "sideout-" + String.valueOf(value));
        }
    });
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink);
    passThroughtStream.addSink(resultSink);
    see.execute();
    assertEquals(Arrays.asList("sideout-1", "sideout-2", "sideout-3", "sideout-4", "sideout-5"), sideOutputResultSink.getSortedResult());
    assertEquals(Arrays.asList(1, 2, 3, 4, 5), resultSink.getSortedResult());
}

Example 28 with OutputTag

use of org.apache.flink.util.OutputTag in project flink-mirror by flink-ci.

the class SideOutputITCase method testSideOutputWithMultipleConsumersWithObjectReuse.

@Test
public void testSideOutputWithMultipleConsumersWithObjectReuse() throws Exception {
    final OutputTag<String> sideOutputTag = new OutputTag<String>("side") {
    };
    TestListResultSink<String> sideOutputResultSink1 = new TestListResultSink<>();
    TestListResultSink<String> sideOutputResultSink2 = new TestListResultSink<>();
    TestListResultSink<Integer> resultSink = new TestListResultSink<>();
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.getConfig().enableObjectReuse();
    env.setParallelism(3);
    DataStream<Integer> dataStream = env.fromCollection(elements);
    SingleOutputStreamOperator<Integer> passThroughtStream = dataStream.process(new ProcessFunction<Integer, Integer>() {

        private static final long serialVersionUID = 1L;

        @Override
        public void processElement(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            out.collect(value);
            ctx.output(sideOutputTag, "sideout-" + String.valueOf(value));
        }
    });
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink1);
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink2);
    passThroughtStream.addSink(resultSink);
    env.execute();
    assertEquals(Arrays.asList("sideout-1", "sideout-2", "sideout-3", "sideout-4", "sideout-5"), sideOutputResultSink1.getSortedResult());
    assertEquals(Arrays.asList("sideout-1", "sideout-2", "sideout-3", "sideout-4", "sideout-5"), sideOutputResultSink2.getSortedResult());
    assertEquals(Arrays.asList(1, 2, 3, 4, 5), resultSink.getSortedResult());
}

Example 29 with OutputTag

use of org.apache.flink.util.OutputTag in project flink-mirror by flink-ci.

the class SideOutputITCase method testSideOutputWithMultipleConsumers.

@Test
public void testSideOutputWithMultipleConsumers() throws Exception {
    final OutputTag<String> sideOutputTag = new OutputTag<String>("side") {
    };
    TestListResultSink<String> sideOutputResultSink1 = new TestListResultSink<>();
    TestListResultSink<String> sideOutputResultSink2 = new TestListResultSink<>();
    TestListResultSink<Integer> resultSink = new TestListResultSink<>();
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.setParallelism(3);
    DataStream<Integer> dataStream = env.fromCollection(elements);
    SingleOutputStreamOperator<Integer> passThroughtStream = dataStream.process(new ProcessFunction<Integer, Integer>() {

        private static final long serialVersionUID = 1L;

        @Override
        public void processElement(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            out.collect(value);
            ctx.output(sideOutputTag, "sideout-" + String.valueOf(value));
        }
    });
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink1);
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink2);
    passThroughtStream.addSink(resultSink);
    env.execute();
    assertEquals(Arrays.asList("sideout-1", "sideout-2", "sideout-3", "sideout-4", "sideout-5"), sideOutputResultSink1.getSortedResult());
    assertEquals(Arrays.asList("sideout-1", "sideout-2", "sideout-3", "sideout-4", "sideout-5"), sideOutputResultSink2.getSortedResult());
    assertEquals(Arrays.asList(1, 2, 3, 4, 5), resultSink.getSortedResult());
}

Example 30 with OutputTag

use of org.apache.flink.util.OutputTag in project flink-mirror by flink-ci.

the class SideOutputITCase method testCoProcessFunctionSideOutput.

/**
 * Test CoProcessFunction side output.
 */
@Test
public void testCoProcessFunctionSideOutput() throws Exception {
    final OutputTag<String> sideOutputTag = new OutputTag<String>("side") {
    };
    TestListResultSink<String> sideOutputResultSink = new TestListResultSink<>();
    TestListResultSink<Integer> resultSink = new TestListResultSink<>();
    StreamExecutionEnvironment see = StreamExecutionEnvironment.getExecutionEnvironment();
    see.setParallelism(3);
    DataStream<Integer> ds1 = see.fromCollection(elements);
    DataStream<Integer> ds2 = see.fromCollection(elements);
    SingleOutputStreamOperator<Integer> passThroughtStream = ds1.connect(ds2).process(new CoProcessFunction<Integer, Integer, Integer>() {

        @Override
        public void processElement1(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            if (value < 3) {
                out.collect(value);
                ctx.output(sideOutputTag, "sideout1-" + String.valueOf(value));
            }
        }

        @Override
        public void processElement2(Integer value, Context ctx, Collector<Integer> out) throws Exception {
            if (value >= 3) {
                out.collect(value);
                ctx.output(sideOutputTag, "sideout2-" + String.valueOf(value));
            }
        }
    });
    passThroughtStream.getSideOutput(sideOutputTag).addSink(sideOutputResultSink);
    passThroughtStream.addSink(resultSink);
    see.execute();
    assertEquals(Arrays.asList("sideout1-1", "sideout1-2", "sideout2-3", "sideout2-4", "sideout2-5"), sideOutputResultSink.getSortedResult());
    assertEquals(Arrays.asList(1, 2, 3, 4, 5), resultSink.getSortedResult());
}