org.apache.flink.runtime.plugable.NonReusingDeserializationDelegate Java Examples

@SuppressWarnings("unchecked")
public StreamTaskNetworkInput(
		CheckpointedInputGate checkpointedInputGate,
		TypeSerializer<?> inputSerializer,
		IOManager ioManager,
		int inputIndex) {
	this.checkpointedInputGate = checkpointedInputGate;
	this.deserializationDelegate = new NonReusingDeserializationDelegate<>(
		new StreamElementSerializer<>(inputSerializer));

	// Initialize one deserializer per input channel
	this.recordDeserializers = new SpillingAdaptiveSpanningRecordDeserializer[checkpointedInputGate.getNumberOfInputChannels()];
	for (int i = 0; i < recordDeserializers.length; i++) {
		recordDeserializers[i] = new SpillingAdaptiveSpanningRecordDeserializer<>(
			ioManager.getSpillingDirectoriesPaths());
	}

	this.inputIndex = inputIndex;
}
 

@SuppressWarnings("unchecked")
public StreamTaskNetworkInput(
		CheckpointedInputGate checkpointedInputGate,
		TypeSerializer<?> inputSerializer,
		IOManager ioManager,
		StatusWatermarkValve statusWatermarkValve,
		int inputIndex) {
	this.checkpointedInputGate = checkpointedInputGate;
	this.deserializationDelegate = new NonReusingDeserializationDelegate<>(
		new StreamElementSerializer<>(inputSerializer));

	// Initialize one deserializer per input channel
	this.recordDeserializers = new SpillingAdaptiveSpanningRecordDeserializer[checkpointedInputGate.getNumberOfInputChannels()];
	for (int i = 0; i < recordDeserializers.length; i++) {
		recordDeserializers[i] = new SpillingAdaptiveSpanningRecordDeserializer<>(
			ioManager.getSpillingDirectoriesPaths());
	}

	this.statusWatermarkValve = checkNotNull(statusWatermarkValve);
	this.inputIndex = inputIndex;
	this.channelIndexes = getChannelIndexes(checkpointedInputGate);
}
 

@VisibleForTesting
StreamTaskNetworkInput(
	CheckpointedInputGate checkpointedInputGate,
	TypeSerializer<?> inputSerializer,
	StatusWatermarkValve statusWatermarkValve,
	int inputIndex,
	RecordDeserializer<DeserializationDelegate<StreamElement>>[] recordDeserializers) {

	this.checkpointedInputGate = checkpointedInputGate;
	this.deserializationDelegate = new NonReusingDeserializationDelegate<>(
		new StreamElementSerializer<>(inputSerializer));
	this.recordDeserializers = recordDeserializers;
	this.statusWatermarkValve = statusWatermarkValve;
	this.inputIndex = inputIndex;
	this.channelIndexes = getChannelIndexes(checkpointedInputGate);
}
 

public RecordOrEventCollectingResultPartitionWriter(
		Collection<Object> output,
		BufferProvider bufferProvider,
		TypeSerializer<T> serializer) {
	super(bufferProvider);
	this.output = checkNotNull(output);
	this.delegate = new NonReusingDeserializationDelegate<>(checkNotNull(serializer));
}
 

public RecordOrEventCollectingResultPartitionWriter(
		Collection<Object> output,
		BufferProvider bufferProvider,
		TypeSerializer<T> serializer) {
	super(bufferProvider);
	this.output = checkNotNull(output);
	this.delegate = new NonReusingDeserializationDelegate<>(checkNotNull(serializer));
}
 

public RecordOrEventCollectingResultPartitionWriter(
		Collection<Object> output,
		BufferProvider bufferProvider,
		TypeSerializer<T> serializer) {
	super(bufferProvider);
	this.output = checkNotNull(output);
	this.delegate = new NonReusingDeserializationDelegate<>(checkNotNull(serializer));
}
 

/**
 * Creates a new iterator, wrapping the given reader.
 * 
 * @param reader The reader to wrap.
 */
public ReaderIterator(MutableReader<DeserializationDelegate<T>> reader, TypeSerializer<T> serializer) {
	this.reader = reader;
	this.reusingDelegate = new ReusingDeserializationDelegate<T>(serializer);
	this.nonReusingDelegate = new NonReusingDeserializationDelegate<T>(serializer);
}
 

@SuppressWarnings("unchecked")
public StreamInputProcessor(
		InputGate[] inputGates,
		TypeSerializer<IN> inputSerializer,
		StreamTask<?, ?> checkpointedTask,
		CheckpointingMode checkpointMode,
		Object lock,
		IOManager ioManager,
		Configuration taskManagerConfig,
		StreamStatusMaintainer streamStatusMaintainer,
		OneInputStreamOperator<IN, ?> streamOperator,
		TaskIOMetricGroup metrics,
		WatermarkGauge watermarkGauge) throws IOException {

	InputGate inputGate = InputGateUtil.createInputGate(inputGates);

	this.barrierHandler = InputProcessorUtil.createCheckpointBarrierHandler(
		checkpointedTask, checkpointMode, ioManager, inputGate, taskManagerConfig);

	this.lock = checkNotNull(lock);

	StreamElementSerializer<IN> ser = new StreamElementSerializer<>(inputSerializer);
	this.deserializationDelegate = new NonReusingDeserializationDelegate<>(ser);

	// Initialize one deserializer per input channel
	this.recordDeserializers = new SpillingAdaptiveSpanningRecordDeserializer[inputGate.getNumberOfInputChannels()];

	for (int i = 0; i < recordDeserializers.length; i++) {
		recordDeserializers[i] = new SpillingAdaptiveSpanningRecordDeserializer<>(
			ioManager.getSpillingDirectoriesPaths());
	}

	this.numInputChannels = inputGate.getNumberOfInputChannels();

	this.streamStatusMaintainer = checkNotNull(streamStatusMaintainer);
	this.streamOperator = checkNotNull(streamOperator);

	this.statusWatermarkValve = new StatusWatermarkValve(
			numInputChannels,
			new ForwardingValveOutputHandler(streamOperator, lock));

	this.watermarkGauge = watermarkGauge;
	metrics.gauge("checkpointAlignmentTime", barrierHandler::getAlignmentDurationNanos);
}
 

@SuppressWarnings("unchecked")
public StreamTwoInputProcessor(
		Collection<InputGate> inputGates1,
		Collection<InputGate> inputGates2,
		TypeSerializer<IN1> inputSerializer1,
		TypeSerializer<IN2> inputSerializer2,
		TwoInputStreamTask<IN1, IN2, ?> checkpointedTask,
		CheckpointingMode checkpointMode,
		Object lock,
		IOManager ioManager,
		Configuration taskManagerConfig,
		StreamStatusMaintainer streamStatusMaintainer,
		TwoInputStreamOperator<IN1, IN2, ?> streamOperator,
		TaskIOMetricGroup metrics,
		WatermarkGauge input1WatermarkGauge,
		WatermarkGauge input2WatermarkGauge) throws IOException {

	final InputGate inputGate = InputGateUtil.createInputGate(inputGates1, inputGates2);

	this.barrierHandler = InputProcessorUtil.createCheckpointBarrierHandler(
		checkpointedTask, checkpointMode, ioManager, inputGate, taskManagerConfig);

	this.lock = checkNotNull(lock);

	StreamElementSerializer<IN1> ser1 = new StreamElementSerializer<>(inputSerializer1);
	this.deserializationDelegate1 = new NonReusingDeserializationDelegate<>(ser1);

	StreamElementSerializer<IN2> ser2 = new StreamElementSerializer<>(inputSerializer2);
	this.deserializationDelegate2 = new NonReusingDeserializationDelegate<>(ser2);

	// Initialize one deserializer per input channel
	this.recordDeserializers = new SpillingAdaptiveSpanningRecordDeserializer[inputGate.getNumberOfInputChannels()];

	for (int i = 0; i < recordDeserializers.length; i++) {
		recordDeserializers[i] = new SpillingAdaptiveSpanningRecordDeserializer<>(
			ioManager.getSpillingDirectoriesPaths());
	}

	// determine which unioned channels belong to input 1 and which belong to input 2
	int numInputChannels1 = 0;
	for (InputGate gate: inputGates1) {
		numInputChannels1 += gate.getNumberOfInputChannels();
	}

	this.numInputChannels1 = numInputChannels1;
	this.numInputChannels2 = inputGate.getNumberOfInputChannels() - numInputChannels1;

	this.firstStatus = StreamStatus.ACTIVE;
	this.secondStatus = StreamStatus.ACTIVE;

	this.streamStatusMaintainer = checkNotNull(streamStatusMaintainer);
	this.streamOperator = checkNotNull(streamOperator);

	this.statusWatermarkValve1 = new StatusWatermarkValve(numInputChannels1, new ForwardingValveOutputHandler1(streamOperator, lock));
	this.statusWatermarkValve2 = new StatusWatermarkValve(numInputChannels2, new ForwardingValveOutputHandler2(streamOperator, lock));

	this.input1WatermarkGauge = input1WatermarkGauge;
	this.input2WatermarkGauge = input2WatermarkGauge;
	metrics.gauge("checkpointAlignmentTime", barrierHandler::getAlignmentDurationNanos);
}
 

/**
 * Creates a new iterator, wrapping the given reader.
 * 
 * @param reader The reader to wrap.
 */
public ReaderIterator(MutableReader<DeserializationDelegate<T>> reader, TypeSerializer<T> serializer) {
	this.reader = reader;
	this.reusingDelegate = new ReusingDeserializationDelegate<T>(serializer);
	this.nonReusingDelegate = new NonReusingDeserializationDelegate<T>(serializer);
}
 

@SuppressWarnings("unchecked")
public StreamTwoInputProcessor(
		Collection<InputGate> inputGates1,
		Collection<InputGate> inputGates2,
		TypeSerializer<IN1> inputSerializer1,
		TypeSerializer<IN2> inputSerializer2,
		TwoInputStreamTask<IN1, IN2, ?> checkpointedTask,
		CheckpointingMode checkpointMode,
		Object lock,
		IOManager ioManager,
		Configuration taskManagerConfig,
		StreamStatusMaintainer streamStatusMaintainer,
		TwoInputStreamOperator<IN1, IN2, ?> streamOperator,
		TaskIOMetricGroup metrics,
		WatermarkGauge input1WatermarkGauge,
		WatermarkGauge input2WatermarkGauge,
		String taskName,
		OperatorChain<?, ?> operatorChain) throws IOException {

	final InputGate inputGate = InputGateUtil.createInputGate(inputGates1, inputGates2);

	this.barrierHandler = InputProcessorUtil.createCheckpointedInputGate(
		checkpointedTask,
		checkpointMode,
		ioManager,
		inputGate,
		taskManagerConfig,
		taskName);

	this.lock = checkNotNull(lock);

	StreamElementSerializer<IN1> ser1 = new StreamElementSerializer<>(inputSerializer1);
	this.deserializationDelegate1 = new NonReusingDeserializationDelegate<>(ser1);

	StreamElementSerializer<IN2> ser2 = new StreamElementSerializer<>(inputSerializer2);
	this.deserializationDelegate2 = new NonReusingDeserializationDelegate<>(ser2);

	// Initialize one deserializer per input channel
	this.recordDeserializers = new SpillingAdaptiveSpanningRecordDeserializer[inputGate.getNumberOfInputChannels()];

	for (int i = 0; i < recordDeserializers.length; i++) {
		recordDeserializers[i] = new SpillingAdaptiveSpanningRecordDeserializer<>(
			ioManager.getSpillingDirectoriesPaths());
	}

	// determine which unioned channels belong to input 1 and which belong to input 2
	int numInputChannels1 = 0;
	for (InputGate gate: inputGates1) {
		numInputChannels1 += gate.getNumberOfInputChannels();
	}

	this.numInputChannels1 = numInputChannels1;
	this.numInputChannels2 = inputGate.getNumberOfInputChannels() - numInputChannels1;

	this.firstStatus = StreamStatus.ACTIVE;
	this.secondStatus = StreamStatus.ACTIVE;

	this.streamStatusMaintainer = checkNotNull(streamStatusMaintainer);
	this.streamOperator = checkNotNull(streamOperator);

	this.statusWatermarkValve1 = new StatusWatermarkValve(numInputChannels1, new ForwardingValveOutputHandler1(streamOperator, lock));
	this.statusWatermarkValve2 = new StatusWatermarkValve(numInputChannels2, new ForwardingValveOutputHandler2(streamOperator, lock));

	this.input1WatermarkGauge = input1WatermarkGauge;
	this.input2WatermarkGauge = input2WatermarkGauge;
	metrics.gauge("checkpointAlignmentTime", barrierHandler::getAlignmentDurationNanos);

	this.operatorChain = checkNotNull(operatorChain);

	this.finishedChannels1 = new BitSet();
	this.finishedChannels2 = new BitSet();
}
 

/**
 * Creates a new iterator, wrapping the given reader.
 * 
 * @param reader The reader to wrap.
 */
public ReaderIterator(MutableReader<DeserializationDelegate<T>> reader, TypeSerializer<T> serializer) {
	this.reader = reader;
	this.reusingDelegate = new ReusingDeserializationDelegate<T>(serializer);
	this.nonReusingDelegate = new NonReusingDeserializationDelegate<T>(serializer);
}