de.intarsys.tools.pool

Class GenericPool

java.lang.Object

de.intarsys.tools.pool.GenericPool

All Implemented Interfaces:

IPool

public class GenericPool
extends java.lang.Object
implements IPool

A very simple implementation of a generic IPool.

Constructor Summary

Constructors

Constructor and Description
GenericPool(IPoolObjectFactory objectFactory)

Method Summary

Modifier and Type	Method and Description
protected void	activateObject(java.lang.Object object)
protected void	assertOpen()
void	checkin(java.lang.Object object) Add an object to the pool.
java.lang.Object	checkout(long timeout) Get an object from the pool.
void	close() Close the pool.
protected java.lang.Object	createObject()
protected void	deactivateObject(java.lang.Object object)
void	destroy(java.lang.Object object) Destroy an object previously allocated from the pool.
protected void	destroyObject(java.lang.Object object)
protected boolean	isClosed()

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericPool

public GenericPool(IPoolObjectFactory objectFactory)

Method Detail

checkin

public void checkin(java.lang.Object object)
             throws java.lang.Exception

Description copied from interface: IPool

Add an object to the pool.

Specified by:

checkin in interface IPool

Parameters:

object - The object to be added to the pool.

Throws:

java.lang.Exception

deactivateObject

protected void deactivateObject(java.lang.Object object)
                         throws java.lang.Exception

Throws:

java.lang.Exception

destroyObject

protected void destroyObject(java.lang.Object object)
                      throws java.lang.Exception

Throws:

java.lang.Exception

isClosed

protected boolean isClosed()

assertOpen

protected void assertOpen()

checkout

public java.lang.Object checkout(long timeout)
                          throws java.lang.Exception

Description copied from interface: IPool

Get an object from the pool.

This may be a reused object or a new one, up to the pool strategy and size.

Specified by:

checkout in interface IPool

Parameters:

timeout - The maximum time to wait for an instance to be available in milliseconds. -1 will wait indefinitely, 0 will not wait.

Returns:

A new object from the pool.

Throws:

java.lang.Exception

activateObject

protected void activateObject(java.lang.Object object)
                       throws java.lang.Exception

Throws:

java.lang.Exception

createObject

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

Throws:

java.lang.Exception

close

public void close()
           throws java.lang.Exception

Description copied from interface: IPool

Close the pool.

Specified by:

close in interface IPool

Throws:

java.lang.Exception

destroy

public void destroy(java.lang.Object object)
             throws java.lang.Exception

Description copied from interface: IPool

Destroy an object previously allocated from the pool.

Specified by:

destroy in interface IPool

Parameters:

object - The object to be destroyed.

Throws:

java.lang.Exception