接口的使用
org.apache.flink.streaming.runtime.tasks.TimerService

使用TimerService的程序包

程序包	说明
org.apache.flink.streaming.runtime.tasks	This package contains classes that realize streaming tasks.

org.apache.flink.streaming.runtime.tasks中TimerService的使用

实现TimerService的org.apache.flink.streaming.runtime.tasks中的类

限定符和类型	类和说明
class	SystemProcessingTimeService A TimerService which assigns as current processing time the result of calling System.currentTimeMillis() and registers timers using a ScheduledThreadPoolExecutor.
class	TestProcessingTimeService This is a TimerService and ProcessingTimeService used strictly for testing the processing time functionality.

声明为TimerService的org.apache.flink.streaming.runtime.tasks中的字段

限定符和类型	字段和说明
protected TimerService	StreamTask.timerService The internal TimerService used to define the current processing time (default = System.currentTimeMillis()) and register timers for tasks to be executed in the future.

参数类型为TimerService的org.apache.flink.streaming.runtime.tasks中的构造器

构造器和说明
OneInputStreamTask(org.apache.flink.runtime.execution.Environment env, TimerService timeProvider) Constructor for initialization, possibly with initial state (recovery / savepoint / etc).
StreamTask(org.apache.flink.runtime.execution.Environment env, TimerService timerService) Constructor for initialization, possibly with initial state (recovery / savepoint / etc).
StreamTask(org.apache.flink.runtime.execution.Environment environment, TimerService timerService, Thread.UncaughtExceptionHandler uncaughtExceptionHandler)
StreamTask(org.apache.flink.runtime.execution.Environment environment, TimerService timerService, Thread.UncaughtExceptionHandler uncaughtExceptionHandler, StreamTaskActionExecutor actionExecutor) Constructor for initialization, possibly with initial state (recovery / savepoint / etc).
StreamTask(org.apache.flink.runtime.execution.Environment environment, TimerService timerService, Thread.UncaughtExceptionHandler uncaughtExceptionHandler, StreamTaskActionExecutor actionExecutor, TaskMailbox mailbox)