org.garret.jsql
Class ThreadPool

java.lang.Object
  org.garret.jsql.ThreadPool

public class ThreadPool

extends java.lang.Object

Pool of threads used to minimize overhead of creation new threads each time it is needed

Constructor Summary

ThreadPool()
Constructor of thread pool with unlimited number of threads

ThreadPool(int maxThreads)
Constructor of thread pool with limited number of threads

Method Summary

void	close() Wait termination of all active tasks and stop all threads in thread pool
static ThreadPool	getInstance() Get instance of thread pool
void	join(java.lang.Thread thread) Wait completion of task
java.lang.Thread	start(java.lang.Runnable task) Get thread from thread pool and start specified task in this thread

Methods inherited from class java.lang.Object

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

Constructor Detail

ThreadPool

public ThreadPool(int maxThreads)

Constructor of thread pool with limited number of threads

ThreadPool

public ThreadPool()

Constructor of thread pool with unlimited number of threads

Method Detail

getInstance

public static ThreadPool getInstance()

Get instance of thread pool

start

public java.lang.Thread start(java.lang.Runnable task)

Get thread from thread pool and start specified task in this thread

Parameters:

task - class impkemeting Runnable interface which run method will be executed by pooled thread

Returns:

pooled thread (it should be used only in ThreadPool.join method)

join

public void join(java.lang.Thread thread)
          throws java.lang.InterruptedException

Wait completion of task

Parameters:

thread - pooled thread assigned to the task by ThreadPool.start method

Throws:

java.lang.InterruptedException

close

public void close()

Wait termination of all active tasks and stop all threads in thread pool