Java java.util.concurrent ThreadPoolExecutor fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for java.util.concurrent ThreadPoolExecutor.

The text is from its open source code.

Subclass

java.util.concurrent.ThreadPoolExecutor has subclasses.
Click this link to see all its subclasses.

Field

boolean	allowCoreThreadTimeOut If false (default), core threads stay alive even when idle.

Constructor

	ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue workQueue) Creates a new ThreadPoolExecutor with the given initial parameters, the default thread factory and the default rejected execution handler.
	ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue workQueue, ThreadFactory threadFactory) Creates a new ThreadPoolExecutor with the given initial parameters and ThreadPoolExecutor.AbortPolicy default rejected execution handler .
	ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue workQueue, RejectedExecutionHandler handler) Creates a new ThreadPoolExecutor with the given initial parameters and Executors#defaultThreadFactory default thread factory .
	ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue workQueue, ThreadFactory threadFactory, RejectedExecutionHandler handler) Creates a new ThreadPoolExecutor with the given initial parameters.

Method

boolean	awaitTermination(long timeout, TimeUnit unit)
void	execute(Runnable command) Executes the given task sometime in the future.
int	getActiveCount() Returns the approximate number of threads that are actively executing tasks.
long	getCompletedTaskCount() Returns the approximate total number of tasks that have completed execution.
int	getCorePoolSize() Returns the core number of threads.
long	getKeepAliveTime(TimeUnit unit) Returns the thread keep-alive time, which is the amount of time that threads may remain idle before being terminated.
int	getLargestPoolSize() Returns the largest number of threads that have ever simultaneously been in the pool.
int	getMaximumPoolSize() Returns the maximum allowed number of threads.
int	getPoolSize() Returns the current number of threads in the pool.
BlockingQueue	getQueue() Returns the task queue used by this executor.
long	getTaskCount() Returns the approximate total number of tasks that have ever been scheduled for execution.
ThreadFactory	getThreadFactory() Returns the thread factory used to create new threads.
List>	invokeAll(Collection> tasks)
boolean	isShutdown()
boolean	isTerminated()
boolean	isTerminating() Returns true if this executor is in the process of terminating after #shutdown or #shutdownNow but has not completely terminated.
int	prestartAllCoreThreads() Starts all core threads, causing them to idly wait for work.
boolean	prestartCoreThread() Starts a core thread, causing it to idly wait for work.
void	purge() Tries to remove from the work queue all Future tasks that have been cancelled.
void	setCorePoolSize(int corePoolSize) Sets the core number of threads.
void	setKeepAliveTime(long time, TimeUnit unit) Sets the thread keep-alive time, which is the amount of time that threads may remain idle before being terminated.
void	setMaximumPoolSize(int maximumPoolSize) Sets the maximum allowed number of threads.
void	setRejectedExecutionHandler(RejectedExecutionHandler handler) Sets a new handler for unexecutable tasks.
void	setThreadFactory(ThreadFactory threadFactory) Sets the thread factory used to create new threads.
List	shutdownNow() Attempts to stop all actively executing tasks, halts the processing of waiting tasks, and returns a list of the tasks that were awaiting execution.
Future	submit(Runnable task)
String	toString() Returns a string identifying this pool, as well as its state, including indications of run state and estimated worker and task counts.