org.apache.flink.streaming.runtime.tasks

Class ProcessingTimeServiceUtil

java.lang.Object

org.apache.flink.streaming.runtime.tasks.ProcessingTimeServiceUtil

@Internal
public class ProcessingTimeServiceUtil
extends Object

Utility for classes that implements the ProcessingTimeService interface.

Constructor Summary

Constructors

Constructor and Description
ProcessingTimeServiceUtil()

Method Summary

Modifier and Type	Method and Description
static long	getProcessingTimeDelay(long processingTimestamp, long currentTimestamp) Returns the remaining delay of the processing time specified by processingTimestamp.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProcessingTimeServiceUtil

public ProcessingTimeServiceUtil()

Method Detail

getProcessingTimeDelay

public static long getProcessingTimeDelay(long processingTimestamp,
                                          long currentTimestamp)

Returns the remaining delay of the processing time specified by processingTimestamp. This delay guarantees that the timer will be fired at least 1ms after the time it's registered for.

Parameters:

processingTimestamp - the processing time in milliseconds

currentTimestamp - the current processing timestamp; it usually uses ProcessingTimeService.getCurrentProcessingTime() to get

Returns:

the remaining delay of the processing time