org.apache.xmlrpc.util

Class ThreadPool

java.lang.Object

org.apache.xmlrpc.util.ThreadPool

public class ThreadPool
extends Object

Simple thread pool. A task is executed by obtaining a thread from the pool

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ThreadPool.InterruptableTask A task, which may be interrupted, if the pool is shutting down.
static interface	ThreadPool.Task The thread pool contains instances of ThreadPool.Task.

Constructor Summary

Constructors

Constructor and Description
ThreadPool(int pMaxSize, String pName) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
boolean	addTask(ThreadPool.Task pTask) Deprecated. No longer in use.
int	getMaxThreads() Returns the maximum number of concurrent threads.
int	getNumThreads() Returns the number of threads, which have actually been created, as opposed to the number of currently running threads.
void	shutdown() Closes the pool.
boolean	startTask(ThreadPool.Task pTask) Starts a task immediately.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThreadPool

public ThreadPool(int pMaxSize,
                  String pName)

Creates a new instance.

Parameters:

pMaxSize - Maximum number of concurrent threads.

pName - Thread group name.

Method Detail

startTask

public boolean startTask(ThreadPool.Task pTask)

Starts a task immediately.

Parameters:

pTask - The task being started.

Returns:

True, if the task could be started immediately. False, if the maxmimum number of concurrent tasks was exceeded. If so, you might consider to use the addTask(ThreadPool.Task) method instead.

addTask

public boolean addTask(ThreadPool.Task pTask)

Deprecated. No longer in use.

Adds a task for immediate or deferred execution.

Parameters:

pTask - The task being added.

Returns:

True, if the task was started immediately. False, if the task will be executed later.

shutdown

public void shutdown()

Closes the pool.

getMaxThreads

public int getMaxThreads()

Returns the maximum number of concurrent threads.

Returns:

Maximum number of threads.

getNumThreads

public int getNumThreads()

Returns the number of threads, which have actually been created, as opposed to the number of currently running threads.