org.sadun.util.pool2
Class ObjectPool.PooledObjectFactory

java.lang.Object
  org.sadun.util.pool2.ObjectPool.PooledObjectFactory

All Implemented Interfaces:

ObjectPool.Factory, java.io.Serializable

Enclosing class:

ObjectPool

protected static class ObjectPool.PooledObjectFactory

extends java.lang.Object

implements ObjectPool.Factory

A object factory which produces BasePooledObject wrappers for other classes.

In detail, this class uses an existing object factory to produce objects of class C, obtains an appropriate PooledC subclass of BasePooledObject and then wraps the objects in instances of PooledC.

See Also:

Serialized Form

Constructor Summary

protected

ObjectPool.PooledObjectFactory(ObjectPool pool, ObjectPool.Factory factory) Create a factory which is used by the given ObjectPool and employs the given org.sadun.util.pool.ObjectPool.Factory

Method Summary

java.lang.Object	create() This method is invoked by the pool when a pooled instance has to be created.
void	destroy(java.lang.Object obj) This method is invoked by the pool when a pooled instance has to be destroyed.
java.lang.Class	getProducedClass() This method is invoked when validating the created class.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectPool.PooledObjectFactory

protected ObjectPool.PooledObjectFactory(ObjectPool pool,
                                         ObjectPool.Factory factory)
                                  throws ObjectPool.ObjectPoolException

Create a factory which is used by the given ObjectPool and employs the given org.sadun.util.pool.ObjectPool.Factory

Parameters:

pool - the ObjectPool using this factory to create pooled objects

factory - the org.sadun.util.pool.ObjectPool.Factory to produce the original instances

Method Detail

create

public java.lang.Object create()
                        throws ObjectPool.ObjectPoolException

Description copied from interface: ObjectPool.Factory

This method is invoked by the pool when a pooled instance has to be created.

Specified by:

create in interface ObjectPool.Factory

Returns:

the newly created object

Throws:

ObjectPool.ObjectPoolException

See Also:

ObjectPool.Factory.create()

getProducedClass

public java.lang.Class getProducedClass()

Description copied from interface: ObjectPool.Factory

This method is invoked when validating the created class.

Specified by:

getProducedClass in interface ObjectPool.Factory

Returns:

the class object for the type of object this factory will create

See Also:

ObjectPool.Factory.getProducedClass()

destroy

public void destroy(java.lang.Object obj)
             throws ObjectPool.ObjectPoolException

Description copied from interface: ObjectPool.Factory

This method is invoked by the pool when a pooled instance has to be destroyed.

Specified by:

destroy in interface ObjectPool.Factory

Parameters:

obj - the object to destroy

Throws:

ObjectPool.ObjectPoolException