Examples with EventLoop com.datatorrent.netlet.EventLoop used on opensource projects

Example 1 with EventLoop

use of com.datatorrent.netlet.EventLoop 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();
}