Examples with EndStreamTuple com.datatorrent.stram.tuple.EndStreamTuple used on opensource projects

Example 1 with EndStreamTuple

use of com.datatorrent.stram.tuple.EndStreamTuple in project apex-core by apache.

the class GenericNodeTest method testBufferServerSubscriberActivationBeforeOperator.

@Test
public void testBufferServerSubscriberActivationBeforeOperator() throws InterruptedException, IOException {
    final String streamName = "streamName";
    final String upstreamNodeId = "upstreamNodeId";
    final String downstreamNodeId = "downStreamNodeId";
    EventLoop eventloop = DefaultEventLoop.createEventLoop("StreamTestEventLoop");
    ((DefaultEventLoop) eventloop).start();
    // find random port
    final Server bufferServer = new Server(eventloop, 0);
    final int bufferServerPort = bufferServer.run().getPort();
    final StreamCodec<Object> serde = new DefaultStatefulStreamCodec<>();
    final BlockingQueue<Object> tuples = new ArrayBlockingQueue<>(10);
    GenericTestOperator go = new GenericTestOperator();
    final GenericNode gn = new GenericNode(go, new com.datatorrent.stram.engine.OperatorContext(0, "operator", new DefaultAttributeMap(), null));
    gn.setId(1);
    Sink<Object> output = new Sink<Object>() {

        @Override
        public void put(Object tuple) {
            tuples.add(tuple);
        }

        @Override
        public int getCount(boolean reset) {
            return 0;
        }
    };
    InetSocketAddress socketAddress = new InetSocketAddress("localhost", bufferServerPort);
    StreamContext issContext = new StreamContext(streamName);
    issContext.setSourceId(upstreamNodeId);
    issContext.setSinkId(downstreamNodeId);
    issContext.setFinishedWindowId(-1);
    issContext.setBufferServerAddress(socketAddress);
    issContext.put(StreamContext.CODEC, serde);
    issContext.put(StreamContext.EVENT_LOOP, eventloop);
    StreamContext ossContext = new StreamContext(streamName);
    ossContext.setSourceId(upstreamNodeId);
    ossContext.setSinkId(downstreamNodeId);
    ossContext.setBufferServerAddress(socketAddress);
    ossContext.put(StreamContext.CODEC, serde);
    ossContext.put(StreamContext.EVENT_LOOP, eventloop);
    BufferServerPublisher oss = new BufferServerPublisher(upstreamNodeId, 1024);
    oss.setup(ossContext);
    oss.activate(ossContext);
    oss.put(new Tuple(MessageType.BEGIN_WINDOW, 0x1L));
    byte[] buff = PayloadTuple.getSerializedTuple(0, 1);
    buff[buff.length - 1] = (byte) 1;
    oss.put(buff);
    oss.put(new EndWindowTuple(0x1L));
    oss.put(new Tuple(MessageType.BEGIN_WINDOW, 0x2L));
    buff = PayloadTuple.getSerializedTuple(0, 1);
    buff[buff.length - 1] = (byte) 2;
    oss.put(buff);
    oss.put(new EndWindowTuple(0x2L));
    oss.put(new Tuple(MessageType.BEGIN_WINDOW, 0x3L));
    buff = PayloadTuple.getSerializedTuple(0, 1);
    buff[buff.length - 1] = (byte) 3;
    oss.put(buff);
    oss.put(new EndWindowTuple(0x3L));
    oss.put(new EndStreamTuple(0L));
    BufferServerSubscriber iss = new BufferServerSubscriber(downstreamNodeId, 1024);
    iss.setup(issContext);
    gn.connectInputPort(GenericTestOperator.IPORT1, iss.acquireReservoir("testReservoir", 10));
    gn.connectOutputPort(GenericTestOperator.OPORT1, output);
    SweepableReservoir tupleWait = iss.acquireReservoir("testReservoir2", 10);
    iss.activate(issContext);
    while (tupleWait.sweep() == null) {
        Thread.sleep(100);
    }
    gn.firstWindowMillis = 0;
    gn.windowWidthMillis = 100;
    Thread t = new Thread() {

        @Override
        public void run() {
            gn.activate();
            gn.run();
            gn.deactivate();
        }
    };
    t.start();
    t.join();
    Assert.assertEquals(10, tuples.size());
    List<Object> list = new ArrayList<>(tuples);
    Assert.assertEquals("Payload Tuple 1", 1, ((byte[]) list.get(1))[5]);
    Assert.assertEquals("Payload Tuple 2", 2, ((byte[]) list.get(4))[5]);
    Assert.assertEquals("Payload Tuple 3", 3, ((byte[]) list.get(7))[5]);
    if (bufferServer != null) {
        bufferServer.stop();
    }
    ((DefaultEventLoop) eventloop).stop();
}

Example 2 with EndStreamTuple

use of com.datatorrent.stram.tuple.EndStreamTuple in project apex-core by apache.

the class Node method emitEndStream.

protected void emitEndStream() {
    logger.info("{} sending EndOfStream", this);
    /*
     * since we are going away, we should let all the downstream operators know that.
     */
    EndStreamTuple est = new EndStreamTuple(currentWindowId);
    for (final Sink<Object> output : outputs.values()) {
        output.put(est);
    }
    controlTupleCount++;
}

Example 3 with EndStreamTuple

use of com.datatorrent.stram.tuple.EndStreamTuple in project apex-core by apache.

the class GenericNodeTest method testSynchingLogic.

@Test
@SuppressWarnings("SleepWhileInLoop")
public void testSynchingLogic() throws InterruptedException {
    long sleeptime = 25L;
    final ArrayList<Object> list = new ArrayList<>();
    GenericOperator go = new GenericOperator();
    final GenericNode gn = new GenericNode(go, new com.datatorrent.stram.engine.OperatorContext(0, "operator", new DefaultAttributeMap(), null));
    gn.setId(1);
    AbstractReservoir reservoir1 = AbstractReservoir.newReservoir("ip1Res", 1024);
    AbstractReservoir reservoir2 = AbstractReservoir.newReservoir("ip2Res", 1024);
    Sink<Object> output = new Sink<Object>() {

        @Override
        public void put(Object tuple) {
            list.add(tuple);
        }

        @Override
        public int getCount(boolean reset) {
            return 0;
        }
    };
    gn.connectInputPort("ip1", reservoir1);
    gn.connectInputPort("ip2", reservoir2);
    gn.connectOutputPort("op", output);
    gn.firstWindowMillis = 0;
    gn.windowWidthMillis = 100;
    final AtomicBoolean ab = new AtomicBoolean(false);
    Thread t = new Thread() {

        @Override
        public void run() {
            ab.set(true);
            gn.activate();
            gn.run();
            gn.deactivate();
        }
    };
    t.start();
    do {
        Thread.sleep(sleeptime);
    } while (ab.get() == false);
    Tuple beginWindow1 = new Tuple(MessageType.BEGIN_WINDOW, 0x1L);
    reservoir1.add(beginWindow1);
    Thread.sleep(sleeptime);
    Assert.assertEquals(1, list.size());
    reservoir2.add(beginWindow1);
    Thread.sleep(sleeptime);
    Assert.assertEquals(1, list.size());
    Tuple endWindow1 = new EndWindowTuple(0x1L);
    reservoir1.add(endWindow1);
    Thread.sleep(sleeptime);
    Assert.assertEquals(1, list.size());
    Tuple beginWindow2 = new Tuple(MessageType.BEGIN_WINDOW, 0x2L);
    reservoir1.add(beginWindow2);
    Thread.sleep(sleeptime);
    Assert.assertEquals(1, list.size());
    reservoir2.add(endWindow1);
    Thread.sleep(sleeptime);
    Assert.assertEquals(3, list.size());
    reservoir2.add(beginWindow2);
    Thread.sleep(sleeptime);
    Assert.assertEquals(3, list.size());
    Tuple endWindow2 = new EndWindowTuple(0x2L);
    reservoir2.add(endWindow2);
    Thread.sleep(sleeptime);
    Assert.assertEquals(3, list.size());
    reservoir1.add(endWindow2);
    Thread.sleep(sleeptime);
    Assert.assertEquals(4, list.size());
    EndStreamTuple est = new EndStreamTuple(0L);
    reservoir1.add(est);
    Thread.sleep(sleeptime);
    Assert.assertEquals(4, list.size());
    Tuple beginWindow3 = new Tuple(MessageType.BEGIN_WINDOW, 0x3L);
    reservoir2.add(beginWindow3);
    Thread.sleep(sleeptime);
    Assert.assertEquals(5, list.size());
    Tuple endWindow3 = new EndWindowTuple(0x3L);
    reservoir2.add(endWindow3);
    Thread.sleep(sleeptime);
    Assert.assertEquals(6, list.size());
    Assert.assertNotSame(Thread.State.TERMINATED, t.getState());
    reservoir2.add(est);
    Thread.sleep(sleeptime);
    Assert.assertEquals(7, list.size());
    Thread.sleep(sleeptime);
    Assert.assertEquals(Thread.State.TERMINATED, t.getState());
}