net.sf.jbaobab.expirable
Class Expirer<E>

java.lang.Object
  java.lang.Thread
      net.sf.jbaobab.expirable.Expirer<E>

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

ReclaimableExpirer

public class Expirer<E>
extends Thread

A reaper class designed for decorators in net.sf.jbaobab.expirable package. Once an object is registered to Expirer, expiration can't be cancelled. If you want operations like cancel or reclaim, see (@link ReclaimableExpirer}.

Please regard the code below:

 Expirer<String> expirer = new Expirer<String>(new ExpirationHandler<String>() {
        public void expired(String element) {
                System.out.println("{" + element + "} expired");
        }
 });
 expirer.register("I have 5 seconds left", 5000);
 

Author:

Oakyoon Cha

See Also:

ExpirationHandler

Nested Class Summary

static class

Expirer.Expirable<E> A wrapper class for object that has creation/expiration time.

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

protected ExpirationHandler<E>	handler
protected Queue<Expirer.Expirable<E>>	queue
protected boolean	working

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Expirer()

Expirer(ExpirationHandler<E> handler)

Method Summary

protected void	expire(E element)
ExpirationHandler<E>	getHandler()
Expirer.Expirable<E>	register(E element, long timeout)
void	run()
ExpirationHandler<E>	setHandler(ExpirationHandler<E> handler)
void	shutdown()
void	start()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

handler

protected ExpirationHandler<E> handler

queue

protected Queue<Expirer.Expirable<E>> queue

working

protected boolean working

Constructor Detail

Expirer

public Expirer(ExpirationHandler<E> handler)

Expirer

public Expirer()

Method Detail

start

public void start()

Overrides:

start in class Thread

shutdown

public void shutdown()

setHandler

public ExpirationHandler<E> setHandler(ExpirationHandler<E> handler)

getHandler

public ExpirationHandler<E> getHandler()

register

public Expirer.Expirable<E> register(E element,
                                     long timeout)

expire

protected void expire(E element)

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread