org.jdal.util.concurrent

Class DispatcherQueue<T>

java.lang.Object

org.jdal.util.concurrent.DispatcherQueue<T>

Type Parameters:

T - Objetc type stored in Queue.

public class DispatcherQueue<T>
extends Object

Wrapper for a BlockingQueue that dispatchs incoming objets to a Task Executor. You need to configure a Dispatcher or override dispatch(T t) mehod.

Author:

Jose Luis Martin - (jlm@joseluismartin.info)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	DispatcherQueue.Dispatcher<T>

Constructor Summary

Constructors

Constructor and Description
DispatcherQueue()
DispatcherQueue(DispatcherQueue.Dispatcher<T> dispatcher)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Clear all messages on the queue
protected Runnable	createWorker(T t) Create a Runnable to dispatch incomming messages
protected void	dispatch(T t) Dispatch objects in Queue
DispatcherQueue.Dispatcher<T>	getDispatcher()
Executor	getExecutor()
BlockingQueue<T>	getQueue()
void	init() Create and start dispatcher thread
boolean	isRunning()
void	put(T t) Insert a Object to the queue, waiting if necessary.
void	setDispatcher(DispatcherQueue.Dispatcher<T> dispatcher)
void	setExecutor(Executor executor)
void	setQueue(BlockingQueue<T> queue)
void	setRunning(boolean running)
int	size() Gets the number of messages on the queue.
void	start()
void	stop() Stop Dispatcher

Methods inherited from class java.lang.Object

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

Constructor Detail

DispatcherQueue

public DispatcherQueue()

DispatcherQueue

public DispatcherQueue(DispatcherQueue.Dispatcher<T> dispatcher)

Method Detail

init

public void init()

Create and start dispatcher thread

createWorker

protected Runnable createWorker(T t)

Create a Runnable to dispatch incomming messages

Parameters:

msg - message to be dispatched

Returns:

Runnable

dispatch

protected void dispatch(T t)

Dispatch objects in Queue

Parameters:

msg -

size

public int size()

Gets the number of messages on the queue.

Returns:

queue size

See Also:

Collection.size()

put

public void put(T t)

Insert a Object to the queue, waiting if necessary.

Parameters:

t - object to put on queue

See Also:

BlockingQueue.put(java.lang.Object)

clear

public void clear()

Clear all messages on the queue

See Also:

Collection.clear()

stop

public void stop()

Stop Dispatcher

start

public void start()

getDispatcher

public DispatcherQueue.Dispatcher<T> getDispatcher()

Returns:

the dispatcher

setDispatcher

public void setDispatcher(DispatcherQueue.Dispatcher<T> dispatcher)

Parameters:

dispatcher - the dispatcher to set

getQueue

public BlockingQueue<T> getQueue()

Returns:

the queue

setQueue

public void setQueue(BlockingQueue<T> queue)

Parameters:

queue - the queue to set

isRunning

public boolean isRunning()

Returns:

the running

setRunning

public void setRunning(boolean running)

Parameters:

running - the running to set

getExecutor

public Executor getExecutor()

Returns:

the executor

setExecutor

public void setExecutor(Executor executor)

Parameters:

executor - the executor to set