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

Example 1 with ChannelStateHolder

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

the class SingleInputGateTest method testSingleInputGateWithSubpartitionIndexRange.

@Test
public void testSingleInputGateWithSubpartitionIndexRange() throws IOException, InterruptedException {
    IntermediateResultPartitionID[] partitionIds = new IntermediateResultPartitionID[] { new IntermediateResultPartitionID(), new IntermediateResultPartitionID(), new IntermediateResultPartitionID() };
    SubpartitionIndexRange subpartitionIndexRange = new SubpartitionIndexRange(0, 1);
    final NettyShuffleEnvironment netEnv = new NettyShuffleEnvironmentBuilder().build();
    ResourceID localLocation = ResourceID.generate();
    SingleInputGate gate = createSingleInputGate(partitionIds, ResultPartitionType.BLOCKING, subpartitionIndexRange, netEnv, localLocation, new TestingConnectionManager(), new TestingResultPartitionManager(new NoOpResultSubpartitionView()));
    for (InputChannel channel : gate.getInputChannels().values()) {
        if (channel instanceof ChannelStateHolder) {
            ((ChannelStateHolder) channel).setChannelStateWriter(ChannelStateWriter.NO_OP);
        }
    }
    SubpartitionInfo info1 = createSubpartitionInfo(partitionIds[0], 0);
    SubpartitionInfo info2 = createSubpartitionInfo(partitionIds[0], 1);
    SubpartitionInfo info3 = createSubpartitionInfo(partitionIds[1], 0);
    SubpartitionInfo info4 = createSubpartitionInfo(partitionIds[1], 1);
    SubpartitionInfo info5 = createSubpartitionInfo(partitionIds[2], 0);
    SubpartitionInfo info6 = createSubpartitionInfo(partitionIds[2], 1);
    assertThat(gate.getInputChannels().size(), is(6));
    assertThat(gate.getInputChannels().get(info1).getConsumedSubpartitionIndex(), is(0));
    assertThat(gate.getInputChannels().get(info2).getConsumedSubpartitionIndex(), is(1));
    assertThat(gate.getInputChannels().get(info3).getConsumedSubpartitionIndex(), is(0));
    assertThat(gate.getInputChannels().get(info4).getConsumedSubpartitionIndex(), is(1));
    assertThat(gate.getInputChannels().get(info5).getConsumedSubpartitionIndex(), is(0));
    assertThat(gate.getInputChannels().get(info6).getConsumedSubpartitionIndex(), is(1));
    assertChannelsType(gate, LocalRecoveredInputChannel.class, Arrays.asList(info1, info2));
    assertChannelsType(gate, RemoteRecoveredInputChannel.class, Arrays.asList(info3, info4));
    assertChannelsType(gate, UnknownInputChannel.class, Arrays.asList(info5, info6));
    // test setup
    gate.setup();
    assertNotNull(gate.getBufferPool());
    assertEquals(1, gate.getBufferPool().getNumberOfRequiredMemorySegments());
    gate.finishReadRecoveredState();
    while (!gate.getStateConsumedFuture().isDone()) {
        gate.pollNext();
    }
    // test request partitions
    gate.requestPartitions();
    gate.pollNext();
    assertChannelsType(gate, LocalInputChannel.class, Arrays.asList(info1, info2));
    assertChannelsType(gate, RemoteInputChannel.class, Arrays.asList(info3, info4));
    assertChannelsType(gate, UnknownInputChannel.class, Arrays.asList(info5, info6));
    for (InputChannel inputChannel : gate.getInputChannels().values()) {
        if (inputChannel instanceof RemoteInputChannel) {
            assertNotNull(((RemoteInputChannel) inputChannel).getPartitionRequestClient());
            assertEquals(2, ((RemoteInputChannel) inputChannel).getInitialCredit());
        } else if (inputChannel instanceof LocalInputChannel) {
            assertNotNull(((LocalInputChannel) inputChannel).getSubpartitionView());
        }
    }
    // test update channels
    gate.updateInputChannel(localLocation, createRemoteWithIdAndLocation(partitionIds[2], localLocation));
    assertChannelsType(gate, LocalInputChannel.class, Arrays.asList(info1, info2));
    assertChannelsType(gate, RemoteInputChannel.class, Arrays.asList(info3, info4));
    assertChannelsType(gate, LocalInputChannel.class, Arrays.asList(info5, info6));
}

Example 2 with ChannelStateHolder

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

the class StreamTask method injectChannelStateWriterIntoChannels.

private void injectChannelStateWriterIntoChannels() {
    final Environment env = getEnvironment();
    final ChannelStateWriter channelStateWriter = subtaskCheckpointCoordinator.getChannelStateWriter();
    for (final InputGate gate : env.getAllInputGates()) {
        gate.setChannelStateWriter(channelStateWriter);
    }
    for (ResultPartitionWriter writer : env.getAllWriters()) {
        if (writer instanceof ChannelStateHolder) {
            ((ChannelStateHolder) writer).setChannelStateWriter(channelStateWriter);
        }
    }
}