org.apache.flink.runtime.rpc

Class RpcEndpoint.MainThreadExecutor

java.lang.Object

org.apache.flink.runtime.rpc.RpcEndpoint.MainThreadExecutor

All Implemented Interfaces:

Closeable, AutoCloseable, Executor, ComponentMainThreadExecutor, org.apache.flink.util.concurrent.ScheduledExecutor

Enclosing class:

RpcEndpoint

protected static class RpcEndpoint.MainThreadExecutor
extends Object
implements ComponentMainThreadExecutor, Closeable

Executor which executes runnables in the main thread context.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.concurrent.ComponentMainThreadExecutor

ComponentMainThreadExecutor.DummyComponentMainThreadExecutor

Method Summary

Modifier and Type	Method and Description
void	assertRunningInMainThread() Returns true if the method was called in the thread of this executor.
void	close() Shutdown the ScheduledThreadPoolExecutor and remove all the pending tasks.
void	execute(Runnable command)
<V> ScheduledFuture<V>	schedule(Callable<V> callable, long delay, TimeUnit unit) The mainScheduledExecutor manages the given callable and sends it to the gateway after the given delay.
ScheduledFuture<?>	schedule(Runnable command, long delay, TimeUnit unit) The mainScheduledExecutor manages the task and sends it to the gateway after the given delay.
ScheduledFuture<?>	scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit)
ScheduledFuture<?>	scheduleWithFixedDelay(Runnable command, long initialDelay, long delay, TimeUnit unit)

Methods inherited from class java.lang.Object

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

Method Detail

execute

public void execute(@Nonnull
                    Runnable command)

Specified by:

execute in interface Executor

schedule

public ScheduledFuture<?> schedule(Runnable command,
                                   long delay,
                                   TimeUnit unit)

The mainScheduledExecutor manages the task and sends it to the gateway after the given delay.

Specified by:

schedule in interface org.apache.flink.util.concurrent.ScheduledExecutor

Parameters:

command - the task to execute in the future

delay - the time from now to delay the execution

unit - the time unit of the delay parameter

Returns:

a ScheduledFuture representing the completion of the scheduled task

schedule

public <V> ScheduledFuture<V> schedule(Callable<V> callable,
                                       long delay,
                                       TimeUnit unit)

The mainScheduledExecutor manages the given callable and sends it to the gateway after the given delay.

Specified by:

schedule in interface org.apache.flink.util.concurrent.ScheduledExecutor

Type Parameters:

V - result type of the callable

Parameters:

callable - the callable to execute

delay - the time from now to delay the execution

unit - the time unit of the delay parameter

Returns:

a ScheduledFuture which holds the future value of the given callable

scheduleAtFixedRate

public ScheduledFuture<?> scheduleAtFixedRate(Runnable command,
                                              long initialDelay,
                                              long period,
                                              TimeUnit unit)

Specified by:

scheduleAtFixedRate in interface org.apache.flink.util.concurrent.ScheduledExecutor

scheduleWithFixedDelay

public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command,
                                                 long initialDelay,
                                                 long delay,
                                                 TimeUnit unit)

Specified by:

scheduleWithFixedDelay in interface org.apache.flink.util.concurrent.ScheduledExecutor

assertRunningInMainThread

public void assertRunningInMainThread()

Description copied from interface: ComponentMainThreadExecutor

Returns true if the method was called in the thread of this executor.

Specified by:

assertRunningInMainThread in interface ComponentMainThreadExecutor

close

public void close()

Shutdown the ScheduledThreadPoolExecutor and remove all the pending tasks.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable