org.hibnet.webpipes.processor

Class ObjectPoolHelper<T>

java.lang.Object

org.hibnet.webpipes.processor.ObjectPoolHelper<T>

public class ObjectPoolHelper<T>
extends java.lang.Object

A generic aware object pool wrapper. Probably not the best name, but it can be changed later. It helps you to avoid the cast and hides the exception handling by throwing RuntimeException when borrowing or returning object to the pool fails.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ObjectPoolHelper.ObjectFactory<T>

Field Summary

Fields

Modifier and Type	Field and Description
private static long	EVICTABLE_IDLE_TIME
private static org.slf4j.Logger	LOG
private static int	MAX_IDLE
private static long	MAX_WAIT
private org.apache.commons.pool.impl.GenericObjectPool<T>	objectPool

Constructor Summary

Constructors

Constructor and Description
ObjectPoolHelper(ObjectPoolHelper.ObjectFactory<T> objectFactory)

Method Summary

Methods

Modifier and Type	Method and Description
private org.apache.commons.pool.impl.GenericObjectPool<T>	createObjectPool(ObjectPoolHelper.ObjectFactory<T> objectFactory) Ensure that a not null pool will be created.
void	destroy() Close the object pool to avoid the memory leak.
T	getObject()
protected org.apache.commons.pool.impl.GenericObjectPool<T>	newObjectPool(ObjectPoolHelper.ObjectFactory<T> objectFactory) Creates a GenericObjectPool.
void	returnObject(T engine)
void	setObjectPool(org.apache.commons.pool.impl.GenericObjectPool<T> objectPool) Use a custom GenericObjectPool.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

MAX_IDLE

private static final int MAX_IDLE

See Also:

Constant Field Values

MAX_WAIT

private static final long MAX_WAIT

See Also:

Constant Field Values

EVICTABLE_IDLE_TIME

private static final long EVICTABLE_IDLE_TIME

See Also:

Constant Field Values

objectPool

private org.apache.commons.pool.impl.GenericObjectPool<T> objectPool

Constructor Detail

ObjectPoolHelper

public ObjectPoolHelper(ObjectPoolHelper.ObjectFactory<T> objectFactory)

Method Detail

createObjectPool

private org.apache.commons.pool.impl.GenericObjectPool<T> createObjectPool(ObjectPoolHelper.ObjectFactory<T> objectFactory)

Ensure that a not null pool will be created.

newObjectPool

protected org.apache.commons.pool.impl.GenericObjectPool<T> newObjectPool(ObjectPoolHelper.ObjectFactory<T> objectFactory)

Creates a GenericObjectPool. Override this method to set custom objectPool configurations.

getObject

public T getObject()

Returns:

object from the pool.

returnObject

public void returnObject(T engine)

setObjectPool

public final void setObjectPool(org.apache.commons.pool.impl.GenericObjectPool<T> objectPool)

Use a custom GenericObjectPool.

Parameters:

objectPool - to use.

destroy

public void destroy()
             throws java.lang.Exception

Close the object pool to avoid the memory leak.

Throws:

java.lang.Exception - if the close operation failed.