Java Code Examples for org.apache.flink.runtime.accumulators.StringifiedAccumulatorResult#stringifyAccumulatorResults()

The following examples show how to use org.apache.flink.runtime.accumulators.StringifiedAccumulatorResult#stringifyAccumulatorResults() . These examples are extracted from open source projects. 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 Project: Flink-CEPplus   File: Execution.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public StringifiedAccumulatorResult[] getUserAccumulatorsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> accumulators =
		userAccumulators == null ?
			null :
			userAccumulators.entrySet()
				.stream()
				.collect(Collectors.toMap(Map.Entry::getKey, entry -> OptionalFailure.of(entry.getValue())));
	return StringifiedAccumulatorResult.stringifyAccumulatorResults(accumulators);
}
 
Example 2
public StringifiedAccumulatorResult[] getAggregatedUserAccumulatorsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> userAccumulators = new HashMap<>();

	for (ExecutionVertex vertex : taskVertices) {
		Map<String, Accumulator<?, ?>> next = vertex.getCurrentExecutionAttempt().getUserAccumulators();
		if (next != null) {
			AccumulatorHelper.mergeInto(userAccumulators, next);
		}
	}

	return StringifiedAccumulatorResult.stringifyAccumulatorResults(userAccumulators);
}
 
Example 3
Source Project: flink   File: Execution.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public StringifiedAccumulatorResult[] getUserAccumulatorsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> accumulators =
		userAccumulators == null ?
			null :
			userAccumulators.entrySet()
				.stream()
				.collect(Collectors.toMap(Map.Entry::getKey, entry -> OptionalFailure.of(entry.getValue())));
	return StringifiedAccumulatorResult.stringifyAccumulatorResults(accumulators);
}
 
Example 4
Source Project: flink   File: ExecutionJobVertex.java    License: Apache License 2.0 5 votes vote down vote up
public StringifiedAccumulatorResult[] getAggregatedUserAccumulatorsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> userAccumulators = new HashMap<>();

	for (ExecutionVertex vertex : taskVertices) {
		Map<String, Accumulator<?, ?>> next = vertex.getCurrentExecutionAttempt().getUserAccumulators();
		if (next != null) {
			AccumulatorHelper.mergeInto(userAccumulators, next);
		}
	}

	return StringifiedAccumulatorResult.stringifyAccumulatorResults(userAccumulators);
}
 
Example 5
Source Project: flink   File: Execution.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public StringifiedAccumulatorResult[] getUserAccumulatorsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> accumulators =
		userAccumulators == null ?
			null :
			userAccumulators.entrySet()
				.stream()
				.collect(Collectors.toMap(Map.Entry::getKey, entry -> OptionalFailure.of(entry.getValue())));
	return StringifiedAccumulatorResult.stringifyAccumulatorResults(accumulators);
}
 
Example 6
Source Project: flink   File: ExecutionJobVertex.java    License: Apache License 2.0 5 votes vote down vote up
public StringifiedAccumulatorResult[] getAggregatedUserAccumulatorsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> userAccumulators = new HashMap<>();

	for (ExecutionVertex vertex : taskVertices) {
		Map<String, Accumulator<?, ?>> next = vertex.getCurrentExecutionAttempt().getUserAccumulators();
		if (next != null) {
			AccumulatorHelper.mergeInto(userAccumulators, next);
		}
	}

	return StringifiedAccumulatorResult.stringifyAccumulatorResults(userAccumulators);
}
 
Example 7
Source Project: Flink-CEPplus   File: ExecutionGraph.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Returns the a stringified version of the user-defined accumulators.
 * @return an Array containing the StringifiedAccumulatorResult objects
 */
@Override
public StringifiedAccumulatorResult[] getAccumulatorResultsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> accumulatorMap = aggregateUserAccumulators();
	return StringifiedAccumulatorResult.stringifyAccumulatorResults(accumulatorMap);
}
 
Example 8
@Test
public void testHandleRequest() throws Exception {

	// Instance the handler.
	final RestHandlerConfiguration restHandlerConfiguration = RestHandlerConfiguration.fromConfiguration(new Configuration());

	final SubtaskExecutionAttemptAccumulatorsHandler handler = new SubtaskExecutionAttemptAccumulatorsHandler(
		() -> null,
		Time.milliseconds(100L),
		Collections.emptyMap(),
		SubtaskExecutionAttemptAccumulatorsHeaders.getInstance(),
		new ExecutionGraphCache(
			restHandlerConfiguration.getTimeout(),
			Time.milliseconds(restHandlerConfiguration.getRefreshInterval())),
		TestingUtils.defaultExecutor());

	// Instance a empty request.
	final HandlerRequest<EmptyRequestBody, SubtaskAttemptMessageParameters> request = new HandlerRequest<>(
		EmptyRequestBody.getInstance(),
		new SubtaskAttemptMessageParameters()
	);

	final Map<String, OptionalFailure<Accumulator<?, ?>>> userAccumulators = new HashMap<>(3);
	userAccumulators.put("IntCounter", OptionalFailure.of(new IntCounter(10)));
	userAccumulators.put("LongCounter", OptionalFailure.of(new LongCounter(100L)));
	userAccumulators.put("Failure", OptionalFailure.ofFailure(new FlinkRuntimeException("Test")));

	// Instance the expected result.
	final StringifiedAccumulatorResult[] accumulatorResults =
		StringifiedAccumulatorResult.stringifyAccumulatorResults(userAccumulators);

	final int attemptNum = 1;
	final int subtaskIndex = 2;

	// Instance the tested execution.
	final ArchivedExecution execution = new ArchivedExecution(
		accumulatorResults,
		null,
		new ExecutionAttemptID(),
		attemptNum,
		ExecutionState.FINISHED,
		null,
		null,
		null,
		subtaskIndex,
		new long[ExecutionState.values().length]);

	// Invoke tested method.
	final SubtaskExecutionAttemptAccumulatorsInfo accumulatorsInfo = handler.handleRequest(request, execution);

	final ArrayList<UserAccumulator> userAccumulatorList = new ArrayList<>(userAccumulators.size());
	for (StringifiedAccumulatorResult accumulatorResult : accumulatorResults) {
		userAccumulatorList.add(
			new UserAccumulator(
				accumulatorResult.getName(),
				accumulatorResult.getType(),
				accumulatorResult.getValue()));
	}

	final SubtaskExecutionAttemptAccumulatorsInfo expected = new SubtaskExecutionAttemptAccumulatorsInfo(
		subtaskIndex,
		attemptNum,
		execution.getAttemptId().toString(),
		userAccumulatorList);

	// Verify.
	assertEquals(expected, accumulatorsInfo);
}
 
Example 9
Source Project: flink   File: ExecutionGraph.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Returns the a stringified version of the user-defined accumulators.
 * @return an Array containing the StringifiedAccumulatorResult objects
 */
@Override
public StringifiedAccumulatorResult[] getAccumulatorResultsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> accumulatorMap = aggregateUserAccumulators();
	return StringifiedAccumulatorResult.stringifyAccumulatorResults(accumulatorMap);
}
 
Example 10
@Test
public void testHandleRequest() throws Exception {

	// Instance the handler.
	final RestHandlerConfiguration restHandlerConfiguration = RestHandlerConfiguration.fromConfiguration(new Configuration());

	final SubtaskExecutionAttemptAccumulatorsHandler handler = new SubtaskExecutionAttemptAccumulatorsHandler(
		() -> null,
		Time.milliseconds(100L),
		Collections.emptyMap(),
		SubtaskExecutionAttemptAccumulatorsHeaders.getInstance(),
		new ExecutionGraphCache(
			restHandlerConfiguration.getTimeout(),
			Time.milliseconds(restHandlerConfiguration.getRefreshInterval())),
		TestingUtils.defaultExecutor());

	// Instance a empty request.
	final HandlerRequest<EmptyRequestBody, SubtaskAttemptMessageParameters> request = new HandlerRequest<>(
		EmptyRequestBody.getInstance(),
		new SubtaskAttemptMessageParameters()
	);

	final Map<String, OptionalFailure<Accumulator<?, ?>>> userAccumulators = new HashMap<>(3);
	userAccumulators.put("IntCounter", OptionalFailure.of(new IntCounter(10)));
	userAccumulators.put("LongCounter", OptionalFailure.of(new LongCounter(100L)));
	userAccumulators.put("Failure", OptionalFailure.ofFailure(new FlinkRuntimeException("Test")));

	// Instance the expected result.
	final StringifiedAccumulatorResult[] accumulatorResults =
		StringifiedAccumulatorResult.stringifyAccumulatorResults(userAccumulators);

	final int attemptNum = 1;
	final int subtaskIndex = 2;

	// Instance the tested execution.
	final ArchivedExecution execution = new ArchivedExecution(
		accumulatorResults,
		null,
		new ExecutionAttemptID(),
		attemptNum,
		ExecutionState.FINISHED,
		null,
		null,
		null,
		subtaskIndex,
		new long[ExecutionState.values().length]);

	// Invoke tested method.
	final SubtaskExecutionAttemptAccumulatorsInfo accumulatorsInfo = handler.handleRequest(request, execution);

	final ArrayList<UserAccumulator> userAccumulatorList = new ArrayList<>(userAccumulators.size());
	for (StringifiedAccumulatorResult accumulatorResult : accumulatorResults) {
		userAccumulatorList.add(
			new UserAccumulator(
				accumulatorResult.getName(),
				accumulatorResult.getType(),
				accumulatorResult.getValue()));
	}

	final SubtaskExecutionAttemptAccumulatorsInfo expected = new SubtaskExecutionAttemptAccumulatorsInfo(
		subtaskIndex,
		attemptNum,
		execution.getAttemptId().toString(),
		userAccumulatorList);

	// Verify.
	assertEquals(expected, accumulatorsInfo);
}
 
Example 11
Source Project: flink   File: ExecutionGraph.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Returns the a stringified version of the user-defined accumulators.
 * @return an Array containing the StringifiedAccumulatorResult objects
 */
@Override
public StringifiedAccumulatorResult[] getAccumulatorResultsStringified() {
	Map<String, OptionalFailure<Accumulator<?, ?>>> accumulatorMap = aggregateUserAccumulators();
	return StringifiedAccumulatorResult.stringifyAccumulatorResults(accumulatorMap);
}
 
Example 12
@Test
public void testHandleRequest() throws Exception {

	// Instance the handler.
	final RestHandlerConfiguration restHandlerConfiguration = RestHandlerConfiguration.fromConfiguration(new Configuration());

	final SubtaskExecutionAttemptAccumulatorsHandler handler = new SubtaskExecutionAttemptAccumulatorsHandler(
		() -> null,
		Time.milliseconds(100L),
		Collections.emptyMap(),
		SubtaskExecutionAttemptAccumulatorsHeaders.getInstance(),
		new DefaultExecutionGraphCache(
			restHandlerConfiguration.getTimeout(),
			Time.milliseconds(restHandlerConfiguration.getRefreshInterval())),
		TestingUtils.defaultExecutor());

	// Instance a empty request.
	final HandlerRequest<EmptyRequestBody, SubtaskAttemptMessageParameters> request = new HandlerRequest<>(
		EmptyRequestBody.getInstance(),
		new SubtaskAttemptMessageParameters()
	);

	final Map<String, OptionalFailure<Accumulator<?, ?>>> userAccumulators = new HashMap<>(3);
	userAccumulators.put("IntCounter", OptionalFailure.of(new IntCounter(10)));
	userAccumulators.put("LongCounter", OptionalFailure.of(new LongCounter(100L)));
	userAccumulators.put("Failure", OptionalFailure.ofFailure(new FlinkRuntimeException("Test")));

	// Instance the expected result.
	final StringifiedAccumulatorResult[] accumulatorResults =
		StringifiedAccumulatorResult.stringifyAccumulatorResults(userAccumulators);

	final int attemptNum = 1;
	final int subtaskIndex = 2;

	// Instance the tested execution.
	final ArchivedExecution execution = new ArchivedExecution(
		accumulatorResults,
		null,
		new ExecutionAttemptID(),
		attemptNum,
		ExecutionState.FINISHED,
		null,
		null,
		null,
		subtaskIndex,
		new long[ExecutionState.values().length]);

	// Invoke tested method.
	final SubtaskExecutionAttemptAccumulatorsInfo accumulatorsInfo = handler.handleRequest(request, execution);

	final ArrayList<UserAccumulator> userAccumulatorList = new ArrayList<>(userAccumulators.size());
	for (StringifiedAccumulatorResult accumulatorResult : accumulatorResults) {
		userAccumulatorList.add(
			new UserAccumulator(
				accumulatorResult.getName(),
				accumulatorResult.getType(),
				accumulatorResult.getValue()));
	}

	final SubtaskExecutionAttemptAccumulatorsInfo expected = new SubtaskExecutionAttemptAccumulatorsInfo(
		subtaskIndex,
		attemptNum,
		execution.getAttemptId().toString(),
		userAccumulatorList);

	// Verify.
	assertEquals(expected, accumulatorsInfo);
}