ej.util.concurrent

Class SingleThreadExecutor

java.lang.Object

ej.util.concurrent.SingleThreadExecutor

All Implemented Interfaces:

java.lang.Runnable, java.util.concurrent.Executor, java.util.concurrent.ExecutorService

public class SingleThreadExecutor
extends java.lang.Object
implements java.lang.Runnable, java.util.concurrent.ExecutorService

An executor that uses a single worker thread operating off an unbounded queue.

Constructor Summary

Constructors

Constructor and Description
SingleThreadExecutor() Creates a single thread executor.

Method Summary

Modifier and Type	Method and Description
boolean	awaitTermination(long timeout, java.util.concurrent.TimeUnit unit) This method is unsupported by this implementation.
void	execute(java.lang.Runnable r)
<T> java.util.List<java.util.concurrent.Future<T>>	invokeAll(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks) This method is unsupported by this implementation.
<T> java.util.List<java.util.concurrent.Future<T>>	invokeAll(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks, long timeout, java.util.concurrent.TimeUnit unit) This method is unsupported by this implementation.
<T> T	invokeAny(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks) This method is unsupported by this implementation.
<T> T	invokeAny(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks, long timeout, java.util.concurrent.TimeUnit unit) This method is unsupported by this implementation.
boolean	isShutdown()
boolean	isTerminated()
void	run()
void	shutdown()
java.util.List<java.lang.Runnable>	shutdownNow() This method is unsupported by this implementation.
<T> java.util.concurrent.Future<T>	submit(java.util.concurrent.Callable<T> task)
java.util.concurrent.Future<?>	submit(java.lang.Runnable task) This method is unsupported by this implementation.
<T> java.util.concurrent.Future<T>	submit(java.lang.Runnable task, T result) This method is unsupported by this implementation.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleThreadExecutor

public SingleThreadExecutor()

Creates a single thread executor.

A new thread is created and started immediately.

Method Detail

run

public void run()

Specified by:

run in interface java.lang.Runnable

execute

public void execute(java.lang.Runnable r)

Specified by:

execute in interface java.util.concurrent.Executor

shutdown

public void shutdown()

Specified by:

shutdown in interface java.util.concurrent.ExecutorService

shutdownNow

public java.util.List<java.lang.Runnable> shutdownNow()

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

shutdownNow in interface java.util.concurrent.ExecutorService

isShutdown

public boolean isShutdown()

Specified by:

isShutdown in interface java.util.concurrent.ExecutorService

isTerminated

public boolean isTerminated()

Specified by:

isTerminated in interface java.util.concurrent.ExecutorService

awaitTermination

public boolean awaitTermination(long timeout,
                                java.util.concurrent.TimeUnit unit)
                         throws java.lang.InterruptedException

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

awaitTermination in interface java.util.concurrent.ExecutorService

Throws:

java.lang.InterruptedException

submit

public <T> java.util.concurrent.Future<T> submit(java.util.concurrent.Callable<T> task)

Specified by:

submit in interface java.util.concurrent.ExecutorService

submit

public <T> java.util.concurrent.Future<T> submit(java.lang.Runnable task,
                                                 T result)

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

submit in interface java.util.concurrent.ExecutorService

submit

public java.util.concurrent.Future<?> submit(java.lang.Runnable task)

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

submit in interface java.util.concurrent.ExecutorService

invokeAll

public <T> java.util.List<java.util.concurrent.Future<T>> invokeAll(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks)
                                                             throws java.lang.InterruptedException

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

invokeAll in interface java.util.concurrent.ExecutorService

Throws:

java.lang.InterruptedException

invokeAll

public <T> java.util.List<java.util.concurrent.Future<T>> invokeAll(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks,
                                                                    long timeout,
                                                                    java.util.concurrent.TimeUnit unit)
                                                             throws java.lang.InterruptedException

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

invokeAll in interface java.util.concurrent.ExecutorService

Throws:

java.lang.InterruptedException

invokeAny

public <T> T invokeAny(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks)
                throws java.lang.InterruptedException,
                       java.util.concurrent.ExecutionException

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

invokeAny in interface java.util.concurrent.ExecutorService

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

invokeAny

public <T> T invokeAny(java.util.Collection<? extends java.util.concurrent.Callable<T>> tasks,
                       long timeout,
                       java.util.concurrent.TimeUnit unit)
                throws java.lang.InterruptedException,
                       java.util.concurrent.ExecutionException,
                       java.util.concurrent.TimeoutException

This method is unsupported by this implementation.

Calling this method will throw an UnsupportedOperationException.

Specified by:

invokeAny in interface java.util.concurrent.ExecutorService

Throws:

java.lang.InterruptedException

java.util.concurrent.ExecutionException

java.util.concurrent.TimeoutException