org.formaria.pool
Class PoolObject

java.lang.Object
  org.formaria.pool.PoolObject

Direct Known Subclasses:

ConnectionObject

public abstract class PoolObject
extends java.lang.Object

Provides some basic object management facilities for Pooled Objects

Copyright (c) Formaria Ltd. 2008

$Revision: 2.3 $

Constructor Summary

PoolObject()

Method Summary

abstract void	close() Close the object and return to the pool.
void	expireLease() Expire the object's lease
boolean	getInUse() Is the object in use?
long	getLastUse() Gets the last use time of the object
boolean	lease() Mark an object as being in use
abstract boolean	validate() Check to see if the object is still valid

Methods inherited from class java.lang.Object

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

Constructor Detail

PoolObject

public PoolObject()

Method Detail

lease

public boolean lease()

Mark an object as being in use

Returns:

false if the object is in use, returns true if the object can be leased

validate

public abstract boolean validate()

Check to see if the object is still valid

Returns:

true if the underlying resource is valid

getInUse

public boolean getInUse()

Is the object in use?

Returns:

true if the object is in use

getLastUse

public long getLastUse()

Gets the last use time of the object

Returns:

the time in milliseconds

close

public abstract void close()
                    throws java.lang.Exception

Close the object and return to the pool.

Throws:

java.lang.Exception - close the underlying resource

expireLease

public void expireLease()

Expire the object's lease