org.javaWebGen.util
Class ObjectPool

java.lang.Object
  org.javaWebGen.util.ObjectPool

Direct Known Subclasses:

OldJDBCConnectionPool, SocketPool

public abstract class ObjectPool
extends java.lang.Object

Generic class for handling Object pooling

Version:

$Revision: 1.2 $

Author:

Kevin Scott

Constructor Summary

protected	ObjectPool()
protected	ObjectPool(int time)

Method Summary

protected void	checkIn(java.lang.Object o) return an object from the pool
protected java.lang.Object	checkOut() get an object from the pool
protected void	cleanUp() check to see if it can be expired
protected abstract java.lang.Object	create()
protected abstract void	expire(java.lang.Object o) expire the object in the pool (remove it)
protected void	setPoolSize(int size)
protected void	setRecyleTime(long milis)
protected abstract boolean	validate(java.lang.Object o) validate the object is valid

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectPool

protected ObjectPool()

ObjectPool

protected ObjectPool(int time)

Parameters:

time - in seconds to expire a object in the pool

Method Detail

setRecyleTime

protected void setRecyleTime(long milis)

Parameters:

milis - time in mili seconds to expire a object in the pool

setPoolSize

protected void setPoolSize(int size)

Parameters:

size - size of pool

create

protected abstract java.lang.Object create()
                                    throws java.lang.Exception

Throws:

java.lang.Exception

validate

protected abstract boolean validate(java.lang.Object o)

validate the object is valid

Parameters:

o - the object to check

expire

protected abstract void expire(java.lang.Object o)

expire the object in the pool (remove it)

Parameters:

o - the object to check

checkOut

protected java.lang.Object checkOut()
                             throws java.lang.Exception

get an object from the pool

Returns:

object from pool

Throws:

java.lang.Exception

checkIn

protected void checkIn(java.lang.Object o)

return an object from the pool

Parameters:

o - object from pool

cleanUp

protected void cleanUp()

check to see if it can be expired