Java Code Examples for org.apache.flink.streaming.api.TimerService#registerProcessingTimeTimer()

The following examples show how to use org.apache.flink.streaming.api.TimerService#registerProcessingTimeTimer() . 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: KeyedProcessOperatorTest.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
public void processElement(Integer value, Context ctx, Collector<String> out) throws Exception {
	final TimerService timerService = ctx.timerService();
	final ValueState<Integer> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT:" + value);
		state.update(value);
		if (expectedTimeDomain.equals(TimeDomain.EVENT_TIME)) {
			timerService.registerEventTimeTimer(timerService.currentWatermark() + 5);
		} else {
			timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
		}
	} else {
		state.clear();
		if (expectedTimeDomain.equals(TimeDomain.EVENT_TIME)) {
			timerService.deleteEventTimeTimer(timerService.currentWatermark() + 4);
		} else {
			timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
		}
	}
}
Example 2
Source File: CleanupState.java    From flink with Apache License 2.0 6 votes vote down vote up 
default void registerProcessingCleanupTimer(
		ValueState<Long> cleanupTimeState,
		long currentTime,
		long minRetentionTime,
		long maxRetentionTime,
		TimerService timerService) throws Exception {

	// last registered timer
	Long curCleanupTime = cleanupTimeState.value();

	// check if a cleanup timer is registered and
	// that the current cleanup timer won't delete state we need to keep
	if (curCleanupTime == null || (currentTime + minRetentionTime) > curCleanupTime) {
		// we need to register a new (later) timer
		long cleanupTime = currentTime + maxRetentionTime;
		// register timer and remember clean-up time
		timerService.registerProcessingTimeTimer(cleanupTime);
		// delete expired timer
		if (curCleanupTime != null) {
			timerService.deleteProcessingTimeTimer(curCleanupTime);
		}
		cleanupTimeState.update(cleanupTime);
	}
}
Example 3
Source File: KeyedProcessOperatorTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public void processElement(Integer value, Context ctx, Collector<String> out) throws Exception {
	final TimerService timerService = ctx.timerService();
	final ValueState<Integer> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT:" + value);
		state.update(value);
		if (expectedTimeDomain.equals(TimeDomain.EVENT_TIME)) {
			timerService.registerEventTimeTimer(timerService.currentWatermark() + 5);
		} else {
			timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
		}
	} else {
		state.clear();
		if (expectedTimeDomain.equals(TimeDomain.EVENT_TIME)) {
			timerService.deleteEventTimeTimer(timerService.currentWatermark() + 4);
		} else {
			timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
		}
	}
}
Example 4
Source File: CleanupState.java    From flink with Apache License 2.0 6 votes vote down vote up 
default void registerProcessingCleanupTimer(
		ValueState<Long> cleanupTimeState,
		long currentTime,
		long minRetentionTime,
		long maxRetentionTime,
		TimerService timerService) throws Exception {

	// last registered timer
	Long curCleanupTime = cleanupTimeState.value();

	// check if a cleanup timer is registered and
	// that the current cleanup timer won't delete state we need to keep
	if (curCleanupTime == null || (currentTime + minRetentionTime) > curCleanupTime) {
		// we need to register a new (later) timer
		long cleanupTime = currentTime + maxRetentionTime;
		// register timer and remember clean-up time
		timerService.registerProcessingTimeTimer(cleanupTime);
		// delete expired timer
		if (curCleanupTime != null) {
			timerService.deleteProcessingTimeTimer(curCleanupTime);
		}
		cleanupTimeState.update(cleanupTime);
	}
}
Example 5
Source File: KeyedProcessOperatorTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public void processElement(Integer value, Context ctx, Collector<String> out) throws Exception {
	final TimerService timerService = ctx.timerService();
	final ValueState<Integer> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT:" + value);
		state.update(value);
		if (expectedTimeDomain.equals(TimeDomain.EVENT_TIME)) {
			timerService.registerEventTimeTimer(timerService.currentWatermark() + 5);
		} else {
			timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
		}
	} else {
		state.clear();
		if (expectedTimeDomain.equals(TimeDomain.EVENT_TIME)) {
			timerService.deleteEventTimeTimer(timerService.currentWatermark() + 4);
		} else {
			timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
		}
	}
}
Example 6
Source File: KeyedCoProcessOperatorTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
private void handleValue(
	Object value,
	Collector<String> out,
	TimerService timerService,
	int channel) throws IOException {
	final ValueState<String> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT" + channel + ":" + value);
		state.update(String.valueOf(value));
		timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
	} else {
		state.clear();
		timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
	}
}
Example 7
Source File: KeyedProcessOperatorTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public void processElement(Integer value, Context ctx, Collector<String> out) throws Exception {
	final TimerService timerService = ctx.timerService();

	timerService.registerProcessingTimeTimer(3);
	timerService.registerEventTimeTimer(4);
	timerService.registerProcessingTimeTimer(5);
	timerService.registerEventTimeTimer(6);
	timerService.deleteProcessingTimeTimer(3);
	timerService.deleteEventTimeTimer(4);
}
Example 8
Source File: LegacyKeyedCoProcessOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void handleValue(
	Object value,
	Collector<String> out,
	TimerService timerService,
	int channel) throws IOException {
	final ValueState<String> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT" + channel + ":" + value);
		state.update(String.valueOf(value));
		timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
	} else {
		state.clear();
		timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
	}
}
Example 9
Source File: KeyedCoProcessOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void handleValue(
	Object value,
	Collector<String> out,
	TimerService timerService,
	int channel) throws IOException {
	final ValueState<String> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT" + channel + ":" + value);
		state.update(String.valueOf(value));
		timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
	} else {
		state.clear();
		timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
	}
}
Example 10
Source File: KeyedProcessOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void processElement(Integer value, Context ctx, Collector<String> out) throws Exception {
	final TimerService timerService = ctx.timerService();

	timerService.registerProcessingTimeTimer(3);
	timerService.registerEventTimeTimer(4);
	timerService.registerProcessingTimeTimer(5);
	timerService.registerEventTimeTimer(6);
	timerService.deleteProcessingTimeTimer(3);
	timerService.deleteEventTimeTimer(4);
}
Example 11
Source File: LegacyKeyedCoProcessOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void handleValue(
	Object value,
	Collector<String> out,
	TimerService timerService,
	int channel) throws IOException {
	final ValueState<String> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT" + channel + ":" + value);
		state.update(String.valueOf(value));
		timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
	} else {
		state.clear();
		timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
	}
}
Example 12
Source File: KeyedCoProcessOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
private void handleValue(
	Object value,
	Collector<String> out,
	TimerService timerService,
	int channel) throws IOException {
	final ValueState<String> state = getRuntimeContext().getState(this.state);
	if (state.value() == null) {
		out.collect("INPUT" + channel + ":" + value);
		state.update(String.valueOf(value));
		timerService.registerProcessingTimeTimer(timerService.currentProcessingTime() + 5);
	} else {
		state.clear();
		timerService.deleteProcessingTimeTimer(timerService.currentProcessingTime() + 4);
	}
}
Example 13
Source File: KeyedProcessOperatorTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public void processElement(Integer value, Context ctx, Collector<String> out) throws Exception {
	final TimerService timerService = ctx.timerService();

	timerService.registerProcessingTimeTimer(3);
	timerService.registerEventTimeTimer(4);
	timerService.registerProcessingTimeTimer(5);
	timerService.registerEventTimeTimer(6);
	timerService.deleteProcessingTimeTimer(3);
	timerService.deleteEventTimeTimer(4);
}