Java Code Examples for org.apache.flink.api.common.state.OperatorStateStore#getUnionListState()

The following examples show how to use org.apache.flink.api.common.state.OperatorStateStore#getUnionListState() . 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: HeavyDeploymentStressTestProgram.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
public void initializeState(FunctionInitializationContext context) throws Exception {

	readyToFail = false;

	if (context.isRestored()) {
		isRunning = false;
	} else {
		isRunning = true;

		OperatorStateStore operatorStateStore = context.getOperatorStateStore();
		for (int i = 0; i < numListStates; ++i) {

			ListStateDescriptor<String> listStateDescriptor =
				new ListStateDescriptor<>("test-list-state-" + i, String.class);

			ListState<String> unionListState =
				operatorStateStore.getUnionListState(listStateDescriptor);

			for (int j = 0; j < numPartitionsPerListState; ++j) {
				unionListState.add(String.valueOf(j));
			}
		}
	}
}
Example 2
Source File: FlinkPulsarSource.java    From pulsar-flink with Apache License 2.0 6 votes vote down vote up 
@Override
public void initializeState(FunctionInitializationContext context) throws Exception {
    OperatorStateStore stateStore = context.getOperatorStateStore();

    unionOffsetStates = stateStore.getUnionListState(
            new ListStateDescriptor<>(
                    OFFSETS_STATE_NAME,
                    TypeInformation.of(new TypeHint<Tuple2<String, MessageId>>() {
                    })));

    if (context.isRestored()) {
        restoredState = new TreeMap<>();
        unionOffsetStates.get().forEach(e -> restoredState.put(e.f0, e.f1));
        log.info("Source subtask {} restored state {}",
                taskIndex,
                StringUtils.join(restoredState.entrySet()));
    } else {
        log.info("Source subtask {} has no restore state", taskIndex);
    }
}
Example 3
Source File: HeavyDeploymentStressTestProgram.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public void initializeState(FunctionInitializationContext context) throws Exception {

	readyToFail = false;

	if (context.isRestored()) {
		isRunning = false;
	} else {
		isRunning = true;

		OperatorStateStore operatorStateStore = context.getOperatorStateStore();
		for (int i = 0; i < numListStates; ++i) {

			ListStateDescriptor<String> listStateDescriptor =
				new ListStateDescriptor<>("test-list-state-" + i, String.class);

			ListState<String> unionListState =
				operatorStateStore.getUnionListState(listStateDescriptor);

			for (int j = 0; j < numPartitionsPerListState; ++j) {
				unionListState.add(String.valueOf(j));
			}
		}
	}
}
Example 4
Source File: FlinkKafkaConsumerBase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public final void initializeState(FunctionInitializationContext context) throws Exception {

	OperatorStateStore stateStore = context.getOperatorStateStore();

	this.unionOffsetStates = stateStore.getUnionListState(new ListStateDescriptor<>(OFFSETS_STATE_NAME,
		createStateSerializer(getRuntimeContext().getExecutionConfig())));

	if (context.isRestored()) {
		restoredState = new TreeMap<>(new KafkaTopicPartition.Comparator());

		// populate actual holder for restored state
		for (Tuple2<KafkaTopicPartition, Long> kafkaOffset : unionOffsetStates.get()) {
			restoredState.put(kafkaOffset.f0, kafkaOffset.f1);
		}

		LOG.info("Consumer subtask {} restored state: {}.", getRuntimeContext().getIndexOfThisSubtask(), restoredState);
	} else {
		LOG.info("Consumer subtask {} has no restore state.", getRuntimeContext().getIndexOfThisSubtask());
	}
}
Example 5
Source File: HeavyDeploymentStressTestProgram.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public void initializeState(FunctionInitializationContext context) throws Exception {

	readyToFail = false;

	if (context.isRestored()) {
		isRunning = false;
	} else {
		isRunning = true;

		OperatorStateStore operatorStateStore = context.getOperatorStateStore();
		for (int i = 0; i < numListStates; ++i) {

			ListStateDescriptor<String> listStateDescriptor =
				new ListStateDescriptor<>("test-list-state-" + i, String.class);

			ListState<String> unionListState =
				operatorStateStore.getUnionListState(listStateDescriptor);

			for (int j = 0; j < numPartitionsPerListState; ++j) {
				unionListState.add(String.valueOf(j));
			}
		}
	}
}
Example 6
Source File: StreamingFileSinkHelper.java    From flink with Apache License 2.0 6 votes vote down vote up 
public StreamingFileSinkHelper(
		Buckets<IN, ?> buckets,
		boolean isRestored,
		OperatorStateStore stateStore,
		ProcessingTimeService procTimeService,
		long bucketCheckInterval) throws Exception {
	this.bucketCheckInterval = bucketCheckInterval;
	this.buckets = buckets;
	this.bucketStates = stateStore.getListState(BUCKET_STATE_DESC);
	this.maxPartCountersState = stateStore.getUnionListState(MAX_PART_COUNTER_STATE_DESC);
	this.procTimeService = procTimeService;

	if (isRestored) {
		buckets.initializeState(bucketStates, maxPartCountersState);
	}

	long currentProcessingTime = procTimeService.getCurrentProcessingTime();
	procTimeService.registerTimer(currentProcessingTime + bucketCheckInterval, this);
}
Example 7
Source File: StreamingFileSink.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public void initializeState(FunctionInitializationContext context) throws Exception {
	final int subtaskIndex = getRuntimeContext().getIndexOfThisSubtask();
	this.buckets = bucketsBuilder.createBuckets(subtaskIndex);

	final OperatorStateStore stateStore = context.getOperatorStateStore();
	bucketStates = stateStore.getListState(BUCKET_STATE_DESC);
	maxPartCountersState = stateStore.getUnionListState(MAX_PART_COUNTER_STATE_DESC);

	if (context.isRestored()) {
		buckets.initializeState(bucketStates, maxPartCountersState);
	}
}
Example 8
Source File: StreamingFileSink.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void initializeState(FunctionInitializationContext context) throws Exception {
	final int subtaskIndex = getRuntimeContext().getIndexOfThisSubtask();
	this.buckets = bucketsBuilder.createBuckets(subtaskIndex);

	final OperatorStateStore stateStore = context.getOperatorStateStore();
	bucketStates = stateStore.getListState(BUCKET_STATE_DESC);
	maxPartCountersState = stateStore.getUnionListState(MAX_PART_COUNTER_STATE_DESC);

	if (context.isRestored()) {
		buckets.initializeState(bucketStates, maxPartCountersState);
	}
}