Package org.apache.commons.pool

Class PoolUtils.PoolableObjectFactoryAdaptor<K,V>

java.lang.Object

org.apache.commons.pool.PoolUtils.PoolableObjectFactoryAdaptor<K,V>

All Implemented Interfaces:

PoolableObjectFactory<V>

Enclosing class:

PoolUtils

private static class PoolUtils.PoolableObjectFactoryAdaptor<K,V>
extends Object
implements PoolableObjectFactory<V>

Adaptor class that wraps and converts a KeyedPoolableObjectFactory with a fixed key to a PoolableObjectFactory.

Field Summary

Fields

Modifier and Type	Field	Description
private final K	key	Fixed key
private final KeyedPoolableObjectFactory<K,V>	keyedFactory	Wrapped factory

Constructor Summary

Constructors

Constructor	Description
PoolableObjectFactoryAdaptor(KeyedPoolableObjectFactory<K,V> keyedFactory, K key)	Create a PoolableObjectFactoryAdaptor wrapping the provided KeyedPoolableObjectFactory with the given fixed key.

Method Summary

Modifier and Type	Method	Description
void	activateObject(V obj)	Activate the object, passing the fixed key to the factory.
void	destroyObject(V obj)	Destroy the object, passing the fixed key to the factory.
V	makeObject()	Create an object instance using the configured factory and key.
void	passivateObject(V obj)	Passivate the object, passing the fixed key to the factory.
String	toString()
boolean	validateObject(V obj)	Validate the object, passing the fixed key to the factory.

Methods inherited from class java.lang.Object

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

Field Details

key

private final K key

Fixed key

keyedFactory

private final KeyedPoolableObjectFactory<K,V> keyedFactory

Wrapped factory

Constructor Details

PoolableObjectFactoryAdaptor

PoolableObjectFactoryAdaptor(KeyedPoolableObjectFactory<K,V> keyedFactory,
 K key)
                      throws IllegalArgumentException

Create a PoolableObjectFactoryAdaptor wrapping the provided KeyedPoolableObjectFactory with the given fixed key.

Parameters:

keyedFactory - KeyedPoolableObjectFactory that will manage objects

key - fixed key

Throws:

IllegalArgumentException - if either of the parameters is null

Method Details

makeObject

public V makeObject()
             throws Exception

Create an object instance using the configured factory and key.

Specified by:

makeObject in interface PoolableObjectFactory<K>

Returns:

new object instance

Throws:

Exception - if there is a problem creating a new instance, this will be propagated to the code requesting an object.

destroyObject

public void destroyObject(V obj)
                   throws Exception

Destroy the object, passing the fixed key to the factory.

Specified by:

destroyObject in interface PoolableObjectFactory<K>

Parameters:

obj - object to destroy

Throws:

Exception - should be avoided as it may be swallowed by the pool implementation.

See Also:

• PoolableObjectFactory.validateObject(T)
• ObjectPool.invalidateObject(T)

validateObject

public boolean validateObject(V obj)

Validate the object, passing the fixed key to the factory.

Specified by:

validateObject in interface PoolableObjectFactory<K>

Parameters:

obj - object to validate

Returns:

true if validation is successful

activateObject

public void activateObject(V obj)
                    throws Exception

Activate the object, passing the fixed key to the factory.

Specified by:

activateObject in interface PoolableObjectFactory<K>

Parameters:

obj - object to activate

Throws:

Exception - if there is a problem activating obj, this exception may be swallowed by the pool.

See Also:

• PoolableObjectFactory.destroyObject(T)

passivateObject

public void passivateObject(V obj)
                     throws Exception

Passivate the object, passing the fixed key to the factory.

Specified by:

passivateObject in interface PoolableObjectFactory<K>

Parameters:

obj - object to passivate

Throws:

Exception - if there is a problem passivating obj, this exception may be swallowed by the pool.

See Also:

• PoolableObjectFactory.destroyObject(T)

toString

public String toString()

Overrides:

toString in class Object