Package com.logicaldoc.core.threading

Class ThreadPools

java.lang.Object

com.logicaldoc.core.threading.ThreadPools

@Component("threadPools")
public class ThreadPools
extends Object

A factory for thread pools. Each pool has a name and the details are taken from the configuration in the following as follows:

• threadpool.pool_name.core: the number of threads to keep in the pool, even if they are idle (defalut value: 5)
• threadpool.pool_name.max: the maximum number of threads to allow in the pool (defalut value: 10)
• threadpool.pool_name.keepalive: this is the maximum time(in seconds) that excess idle threads will wait for new tasks before terminating (defalut value: 5)
• threadpool.pool_name.type: this is the type default or scheduled(default value: default), default means

Since:

8.5.3

Author:

Marco Meschieri - LogicalDOC

Constructor Summary

Constructors

Constructor	Description
ThreadPools()

Method Summary

Modifier and Type	Method	Description
void	execute(Runnable task, String poolName)	Executes a task in the given pool.
static ThreadPools	get()
ExecutorService	getPool(String name)	Gets a new thread pool and in case it does not exist a new one will be created and then cached.
void	schedule(Runnable task, String poolName, long delay)	Schedule the execution of a task in a thread pool.
void	schedule(Thread task, String poolName, long delay)	Schedule the execution of a task in a thread pool.
void	setConfig(ContextProperties config)
void	shutdown()	Shuts down all the pools

Methods inherited from class java.lang.Object

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

Constructor Details

ThreadPools

public ThreadPools()

Method Details

setConfig

public void setConfig(ContextProperties config)

get

public static ThreadPools get()

getPool

public ExecutorService getPool(String name)
                        throws ThreadPoolNotAvailableException

Gets a new thread pool and in case it does not exist a new one will be created and then cached.

Parameters:

name - the name of the new pool

Returns:

the created pool

Throws:

ThreadPoolNotAvailableException - Raised in case the pool has been shutdown

schedule

public void schedule(Runnable task,
 String poolName,
 long delay)

Schedule the execution of a task in a thread pool.

Parameters:

task - The task to execute

poolName - The name of the pool

delay - a delay expressed in milliseconds

schedule

public void schedule(Thread task,
 String poolName,
 long delay)

Schedule the execution of a task in a thread pool.

Parameters:

task - The task to execute

poolName - The name of the pool

delay - a delay expressed in milliseconds

execute

public void execute(Runnable task,
 String poolName)

Executes a task in the given pool.

Parameters:

task - The task to execute

poolName - The name of the pool

shutdown

@PreDestroy
public void shutdown()

Shuts down all the pools