org.gvsig.raster.cache.tile.impl.pool

Class ThreadPoolImpl

java.lang.Object

org.gvsig.raster.cache.tile.impl.pool.ThreadPoolImpl

All Implemented Interfaces:

ThreadPool

public class ThreadPoolImpl
extends java.lang.Object
implements ThreadPool

Pool of threads. This class contains a list of tasks and a limited number of threads to execute them. When a thread is free will execute the next task in the list.

Constructor Summary

Constructors

Constructor and Description
ThreadPoolImpl() Constructor.
ThreadPoolImpl(boolean priorityActive) Constructor
ThreadPoolImpl(boolean priorityActive, int nThreads) Constructor

Method Summary

Modifier and Type	Method and Description
void	addTask(AtomicTask task) Adds a new task to the list
void	cancelPool(TileListener listener) Cancel the pool of threads and destroy the pool
void	destroyPool() Deprecated.
void	emptyPool() Cleans the input and output pool
java.util.LinkedList<AtomicTask>	getInputTaskList() Gets the list of input tasks
AtomicTask	getNext() Gets the next task in the list
TilePipe	getTilePipe() Gets the list of output tiles
void	init()
boolean	isPoolValid() Returns true if the pool is valid

Methods inherited from class java.lang.Object

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

Constructor Detail

ThreadPoolImpl

public ThreadPoolImpl()

Constructor. Only for testing purposes. After this constructor the method init has to be called

ThreadPoolImpl

public ThreadPoolImpl(boolean priorityActive,
                      int nThreads)

Constructor

Parameters:

priorityActive - true if the pool runs using priorities and false if doesn't

nThreads - Number of threads of this pool

ThreadPoolImpl

public ThreadPoolImpl(boolean priorityActive)

Constructor

Parameters:

priorityActive - true if the pool runs using priorities and false if doesn't

Method Detail

init

public void init()

cancelPool

public void cancelPool(TileListener listener)

Cancel the pool of threads and destroy the pool

Parameters:

listener -

emptyPool

public void emptyPool()

Cleans the input and output pool

Parameters:

listener -

getInputTaskList

public java.util.LinkedList<AtomicTask> getInputTaskList()

Description copied from interface: ThreadPool

Gets the list of input tasks

Specified by:

getInputTaskList in interface ThreadPool

Returns:

getTilePipe

public TilePipe getTilePipe()

Description copied from interface: ThreadPool

Gets the list of output tiles

Specified by:

getTilePipe in interface ThreadPool

Returns:

destroyPool

public void destroyPool()

Deprecated.

Stops all threads in the list and sets the list to null

Specified by:

destroyPool in interface ThreadPool

isPoolValid

public boolean isPoolValid()

Returns true if the pool is valid

Returns:

addTask

public void addTask(AtomicTask task)

Adds a new task to the list

Specified by:

addTask in interface ThreadPool

Parameters:

task -

getNext

public AtomicTask getNext()

Gets the next task in the list

Returns: