Java Code Examples for org.apache.flink.runtime.state.OperatorStateBackend#dispose()

The following examples show how to use org.apache.flink.runtime.state.OperatorStateBackend#dispose() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: StreamTaskStateInitializerImpl.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Override
public StreamOperatorStateContext streamOperatorStateContext(
	@Nonnull OperatorID operatorID,
	@Nonnull String operatorClassName,
	@Nonnull KeyContext keyContext,
	@Nullable TypeSerializer<?> keySerializer,
	@Nonnull CloseableRegistry streamTaskCloseableRegistry,
	@Nonnull MetricGroup metricGroup) throws Exception {

	TaskInfo taskInfo = environment.getTaskInfo();
	OperatorSubtaskDescriptionText operatorSubtaskDescription =
		new OperatorSubtaskDescriptionText(
			operatorID,
			operatorClassName,
			taskInfo.getIndexOfThisSubtask(),
			taskInfo.getNumberOfParallelSubtasks());

	final String operatorIdentifierText = operatorSubtaskDescription.toString();

	final PrioritizedOperatorSubtaskState prioritizedOperatorSubtaskStates =
		taskStateManager.prioritizedOperatorState(operatorID);

	AbstractKeyedStateBackend<?> keyedStatedBackend = null;
	OperatorStateBackend operatorStateBackend = null;
	CloseableIterable<KeyGroupStatePartitionStreamProvider> rawKeyedStateInputs = null;
	CloseableIterable<StatePartitionStreamProvider> rawOperatorStateInputs = null;
	InternalTimeServiceManager<?> timeServiceManager;

	try {

		// -------------- Keyed State Backend --------------
		keyedStatedBackend = keyedStatedBackend(
			keySerializer,
			operatorIdentifierText,
			prioritizedOperatorSubtaskStates,
			streamTaskCloseableRegistry,
			metricGroup);

		// -------------- Operator State Backend --------------
		operatorStateBackend = operatorStateBackend(
			operatorIdentifierText,
			prioritizedOperatorSubtaskStates,
			streamTaskCloseableRegistry);

		// -------------- Raw State Streams --------------
		rawKeyedStateInputs = rawKeyedStateInputs(
			prioritizedOperatorSubtaskStates.getPrioritizedRawKeyedState().iterator());
		streamTaskCloseableRegistry.registerCloseable(rawKeyedStateInputs);

		rawOperatorStateInputs = rawOperatorStateInputs(
			prioritizedOperatorSubtaskStates.getPrioritizedRawOperatorState().iterator());
		streamTaskCloseableRegistry.registerCloseable(rawOperatorStateInputs);

		// -------------- Internal Timer Service Manager --------------
		timeServiceManager = internalTimeServiceManager(keyedStatedBackend, keyContext, rawKeyedStateInputs);

		// -------------- Preparing return value --------------

		return new StreamOperatorStateContextImpl(
			prioritizedOperatorSubtaskStates.isRestored(),
			operatorStateBackend,
			keyedStatedBackend,
			timeServiceManager,
			rawOperatorStateInputs,
			rawKeyedStateInputs);
	} catch (Exception ex) {

		// cleanup if something went wrong before results got published.
		if (keyedStatedBackend != null) {
			if (streamTaskCloseableRegistry.unregisterCloseable(keyedStatedBackend)) {
				IOUtils.closeQuietly(keyedStatedBackend);
			}
			// release resource (e.g native resource)
			keyedStatedBackend.dispose();
		}

		if (operatorStateBackend != null) {
			if (streamTaskCloseableRegistry.unregisterCloseable(operatorStateBackend)) {
				IOUtils.closeQuietly(operatorStateBackend);
			}
			operatorStateBackend.dispose();
		}

		if (streamTaskCloseableRegistry.unregisterCloseable(rawKeyedStateInputs)) {
			IOUtils.closeQuietly(rawKeyedStateInputs);
		}

		if (streamTaskCloseableRegistry.unregisterCloseable(rawOperatorStateInputs)) {
			IOUtils.closeQuietly(rawOperatorStateInputs);
		}

		throw new Exception("Exception while creating StreamOperatorStateContext.", ex);
	}
}
Example 2
Source File: StreamTaskStateInitializerImpl.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public StreamOperatorStateContext streamOperatorStateContext(
	@Nonnull OperatorID operatorID,
	@Nonnull String operatorClassName,
	@Nonnull KeyContext keyContext,
	@Nullable TypeSerializer<?> keySerializer,
	@Nonnull CloseableRegistry streamTaskCloseableRegistry,
	@Nonnull MetricGroup metricGroup) throws Exception {

	TaskInfo taskInfo = environment.getTaskInfo();
	OperatorSubtaskDescriptionText operatorSubtaskDescription =
		new OperatorSubtaskDescriptionText(
			operatorID,
			operatorClassName,
			taskInfo.getIndexOfThisSubtask(),
			taskInfo.getNumberOfParallelSubtasks());

	final String operatorIdentifierText = operatorSubtaskDescription.toString();

	final PrioritizedOperatorSubtaskState prioritizedOperatorSubtaskStates =
		taskStateManager.prioritizedOperatorState(operatorID);

	AbstractKeyedStateBackend<?> keyedStatedBackend = null;
	OperatorStateBackend operatorStateBackend = null;
	CloseableIterable<KeyGroupStatePartitionStreamProvider> rawKeyedStateInputs = null;
	CloseableIterable<StatePartitionStreamProvider> rawOperatorStateInputs = null;
	InternalTimeServiceManager<?> timeServiceManager;

	try {

		// -------------- Keyed State Backend --------------
		keyedStatedBackend = keyedStatedBackend(
			keySerializer,
			operatorIdentifierText,
			prioritizedOperatorSubtaskStates,
			streamTaskCloseableRegistry,
			metricGroup);

		// -------------- Operator State Backend --------------
		operatorStateBackend = operatorStateBackend(
			operatorIdentifierText,
			prioritizedOperatorSubtaskStates,
			streamTaskCloseableRegistry);

		// -------------- Raw State Streams --------------
		rawKeyedStateInputs = rawKeyedStateInputs(
			prioritizedOperatorSubtaskStates.getPrioritizedRawKeyedState().iterator());
		streamTaskCloseableRegistry.registerCloseable(rawKeyedStateInputs);

		rawOperatorStateInputs = rawOperatorStateInputs(
			prioritizedOperatorSubtaskStates.getPrioritizedRawOperatorState().iterator());
		streamTaskCloseableRegistry.registerCloseable(rawOperatorStateInputs);

		// -------------- Internal Timer Service Manager --------------
		timeServiceManager = internalTimeServiceManager(keyedStatedBackend, keyContext, rawKeyedStateInputs);

		// -------------- Preparing return value --------------

		return new StreamOperatorStateContextImpl(
			prioritizedOperatorSubtaskStates.isRestored(),
			operatorStateBackend,
			keyedStatedBackend,
			timeServiceManager,
			rawOperatorStateInputs,
			rawKeyedStateInputs);
	} catch (Exception ex) {

		// cleanup if something went wrong before results got published.
		if (keyedStatedBackend != null) {
			if (streamTaskCloseableRegistry.unregisterCloseable(keyedStatedBackend)) {
				IOUtils.closeQuietly(keyedStatedBackend);
			}
			// release resource (e.g native resource)
			keyedStatedBackend.dispose();
		}

		if (operatorStateBackend != null) {
			if (streamTaskCloseableRegistry.unregisterCloseable(operatorStateBackend)) {
				IOUtils.closeQuietly(operatorStateBackend);
			}
			operatorStateBackend.dispose();
		}

		if (streamTaskCloseableRegistry.unregisterCloseable(rawKeyedStateInputs)) {
			IOUtils.closeQuietly(rawKeyedStateInputs);
		}

		if (streamTaskCloseableRegistry.unregisterCloseable(rawOperatorStateInputs)) {
			IOUtils.closeQuietly(rawOperatorStateInputs);
		}

		throw new Exception("Exception while creating StreamOperatorStateContext.", ex);
	}
}
Example 3
Source File: StreamTaskStateInitializerImpl.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public StreamOperatorStateContext streamOperatorStateContext(
	@Nonnull OperatorID operatorID,
	@Nonnull String operatorClassName,
	@Nonnull ProcessingTimeService processingTimeService,
	@Nonnull KeyContext keyContext,
	@Nullable TypeSerializer<?> keySerializer,
	@Nonnull CloseableRegistry streamTaskCloseableRegistry,
	@Nonnull MetricGroup metricGroup) throws Exception {

	TaskInfo taskInfo = environment.getTaskInfo();
	OperatorSubtaskDescriptionText operatorSubtaskDescription =
		new OperatorSubtaskDescriptionText(
			operatorID,
			operatorClassName,
			taskInfo.getIndexOfThisSubtask(),
			taskInfo.getNumberOfParallelSubtasks());

	final String operatorIdentifierText = operatorSubtaskDescription.toString();

	final PrioritizedOperatorSubtaskState prioritizedOperatorSubtaskStates =
		taskStateManager.prioritizedOperatorState(operatorID);

	AbstractKeyedStateBackend<?> keyedStatedBackend = null;
	OperatorStateBackend operatorStateBackend = null;
	CloseableIterable<KeyGroupStatePartitionStreamProvider> rawKeyedStateInputs = null;
	CloseableIterable<StatePartitionStreamProvider> rawOperatorStateInputs = null;
	InternalTimeServiceManager<?> timeServiceManager;

	try {

		// -------------- Keyed State Backend --------------
		keyedStatedBackend = keyedStatedBackend(
			keySerializer,
			operatorIdentifierText,
			prioritizedOperatorSubtaskStates,
			streamTaskCloseableRegistry,
			metricGroup);

		// -------------- Operator State Backend --------------
		operatorStateBackend = operatorStateBackend(
			operatorIdentifierText,
			prioritizedOperatorSubtaskStates,
			streamTaskCloseableRegistry);

		// -------------- Raw State Streams --------------
		rawKeyedStateInputs = rawKeyedStateInputs(
			prioritizedOperatorSubtaskStates.getPrioritizedRawKeyedState().iterator());
		streamTaskCloseableRegistry.registerCloseable(rawKeyedStateInputs);

		rawOperatorStateInputs = rawOperatorStateInputs(
			prioritizedOperatorSubtaskStates.getPrioritizedRawOperatorState().iterator());
		streamTaskCloseableRegistry.registerCloseable(rawOperatorStateInputs);

		// -------------- Internal Timer Service Manager --------------
		timeServiceManager = internalTimeServiceManager(keyedStatedBackend, keyContext, processingTimeService, rawKeyedStateInputs);

		// -------------- Preparing return value --------------

		return new StreamOperatorStateContextImpl(
			prioritizedOperatorSubtaskStates.isRestored(),
			operatorStateBackend,
			keyedStatedBackend,
			timeServiceManager,
			rawOperatorStateInputs,
			rawKeyedStateInputs);
	} catch (Exception ex) {

		// cleanup if something went wrong before results got published.
		if (keyedStatedBackend != null) {
			if (streamTaskCloseableRegistry.unregisterCloseable(keyedStatedBackend)) {
				IOUtils.closeQuietly(keyedStatedBackend);
			}
			// release resource (e.g native resource)
			keyedStatedBackend.dispose();
		}

		if (operatorStateBackend != null) {
			if (streamTaskCloseableRegistry.unregisterCloseable(operatorStateBackend)) {
				IOUtils.closeQuietly(operatorStateBackend);
			}
			operatorStateBackend.dispose();
		}

		if (streamTaskCloseableRegistry.unregisterCloseable(rawKeyedStateInputs)) {
			IOUtils.closeQuietly(rawKeyedStateInputs);
		}

		if (streamTaskCloseableRegistry.unregisterCloseable(rawOperatorStateInputs)) {
			IOUtils.closeQuietly(rawOperatorStateInputs);
		}

		throw new Exception("Exception while creating StreamOperatorStateContext.", ex);
	}
}