Examples with PipelinedSubpartitionView org.apache.flink.runtime.io.network.partition.PipelinedSubpartitionView used on opensource projects

Example 1 with PipelinedSubpartitionView

use of org.apache.flink.runtime.io.network.partition.PipelinedSubpartitionView in project flink by apache.

the class PartitionRequestQueueTest method testEnqueueReaderByResumingConsumption.

/**
 * Tests {@link PartitionRequestQueue#enqueueAvailableReader(NetworkSequenceViewReader)},
 * verifying the reader would be enqueued in the pipeline after resuming data consumption if
 * there are credit and data available.
 */
@Test
public void testEnqueueReaderByResumingConsumption() throws Exception {
    PipelinedSubpartition subpartition = PipelinedSubpartitionTest.createPipelinedSubpartition();
    Buffer.DataType dataType1 = Buffer.DataType.ALIGNED_CHECKPOINT_BARRIER;
    Buffer.DataType dataType2 = Buffer.DataType.DATA_BUFFER;
    subpartition.add(createEventBufferConsumer(4096, dataType1));
    subpartition.add(createEventBufferConsumer(4096, dataType2));
    BufferAvailabilityListener bufferAvailabilityListener = new NoOpBufferAvailablityListener();
    PipelinedSubpartitionView view = subpartition.createReadView(bufferAvailabilityListener);
    ResultPartitionProvider partitionProvider = (partitionId, index, availabilityListener) -> view;
    InputChannelID receiverId = new InputChannelID();
    PartitionRequestQueue queue = new PartitionRequestQueue();
    CreditBasedSequenceNumberingViewReader reader = new CreditBasedSequenceNumberingViewReader(receiverId, 2, queue);
    EmbeddedChannel channel = new EmbeddedChannel(queue);
    reader.requestSubpartitionView(partitionProvider, new ResultPartitionID(), 0);
    queue.notifyReaderCreated(reader);
    assertTrue(reader.getAvailabilityAndBacklog().isAvailable());
    reader.notifyDataAvailable();
    channel.runPendingTasks();
    assertFalse(reader.getAvailabilityAndBacklog().isAvailable());
    assertEquals(1, subpartition.unsynchronizedGetNumberOfQueuedBuffers());
    queue.addCreditOrResumeConsumption(receiverId, NetworkSequenceViewReader::resumeConsumption);
    assertFalse(reader.getAvailabilityAndBacklog().isAvailable());
    assertEquals(0, subpartition.unsynchronizedGetNumberOfQueuedBuffers());
    Object data1 = channel.readOutbound();
    assertEquals(dataType1, ((NettyMessage.BufferResponse) data1).buffer.getDataType());
    Object data2 = channel.readOutbound();
    assertEquals(dataType2, ((NettyMessage.BufferResponse) data2).buffer.getDataType());
}

Example 2 with PipelinedSubpartitionView

use of org.apache.flink.runtime.io.network.partition.PipelinedSubpartitionView in project flink by apache.

the class PartitionRequestQueueTest method testAnnounceBacklog.

@Test
public void testAnnounceBacklog() throws Exception {
    PipelinedSubpartition subpartition = PipelinedSubpartitionTest.createPipelinedSubpartition();
    subpartition.add(createEventBufferConsumer(4096, Buffer.DataType.DATA_BUFFER));
    subpartition.add(createEventBufferConsumer(4096, Buffer.DataType.DATA_BUFFER));
    PipelinedSubpartitionView view = subpartition.createReadView(new NoOpBufferAvailablityListener());
    ResultPartitionProvider partitionProvider = (partitionId, index, availabilityListener) -> view;
    PartitionRequestQueue queue = new PartitionRequestQueue();
    InputChannelID receiverId = new InputChannelID();
    CreditBasedSequenceNumberingViewReader reader = new CreditBasedSequenceNumberingViewReader(receiverId, 0, queue);
    EmbeddedChannel channel = new EmbeddedChannel(queue);
    reader.requestSubpartitionView(partitionProvider, new ResultPartitionID(), 0);
    queue.notifyReaderCreated(reader);
    reader.notifyDataAvailable();
    channel.runPendingTasks();
    Object data = channel.readOutbound();
    assertTrue(data instanceof NettyMessage.BacklogAnnouncement);
    NettyMessage.BacklogAnnouncement announcement = (NettyMessage.BacklogAnnouncement) data;
    assertEquals(receiverId, announcement.receiverId);
    assertEquals(subpartition.getBuffersInBacklogUnsafe(), announcement.backlog);
    subpartition.release();
    reader.notifyDataAvailable();
    channel.runPendingTasks();
    assertNotNull(channel.readOutbound());
}