org.apache.avalon.fortress.impl.handler

Class PerThreadComponentHandler

java.lang.Object

org.apache.avalon.framework.logger.AbstractLogEnabled

org.apache.excalibur.instrument.AbstractLogEnabledInstrumentable

org.apache.avalon.fortress.impl.handler.AbstractComponentHandler

org.apache.avalon.fortress.impl.handler.PerThreadComponentHandler

All Implemented Interfaces:

ComponentHandler, org.apache.avalon.framework.activity.Disposable, org.apache.avalon.framework.activity.Initializable, org.apache.avalon.framework.logger.LogEnabled, org.apache.avalon.framework.service.Serviceable, org.apache.excalibur.instrument.Instrumentable

public final class PerThreadComponentHandler
extends AbstractComponentHandler

The PerThreadComponentHandler implements a singleton with a slight difference: one single instance per thread.

Since:

4.0

Author:

Excalibur Development Team

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.List	m_instances
private static java.lang.ThreadLocal	m_slot

Fields inherited from class org.apache.avalon.fortress.impl.handler.AbstractComponentHandler

m_disposed, m_factory, m_logger, m_loggerManager, m_prepared

Fields inherited from interface org.apache.excalibur.instrument.Instrumentable

EMPTY_INSTRUMENT_ARRAY, EMPTY_INSTRUMENTABLE_ARRAY

Constructor Summary

Constructors

Constructor and Description
PerThreadComponentHandler()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	doDispose() Dispose handler specific resources.
protected java.lang.Object	doGet() Get a reference of the desired Component
void	initialize()

Methods inherited from class org.apache.avalon.fortress.impl.handler.AbstractComponentHandler

dispose, disposeComponent, doPrepare, doPut, get, getComponentClass, newComponent, prepareHandler, put, service, toString

Methods inherited from class org.apache.excalibur.instrument.AbstractLogEnabledInstrumentable

addChildInstrumentable, addInstrument, getChildInstrumentables, getInstrumentableName, getInstruments, setInstrumentableName

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Field Detail

m_slot

private static java.lang.ThreadLocal m_slot

m_instances

private static java.util.List m_instances

Constructor Detail

PerThreadComponentHandler

public PerThreadComponentHandler()

Method Detail

initialize

public void initialize()
                throws java.lang.Exception

Specified by:

initialize in interface org.apache.avalon.framework.activity.Initializable

Overrides:

initialize in class AbstractComponentHandler

Throws:

java.lang.Exception

doGet

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

Get a reference of the desired Component

Specified by:

doGet in class AbstractComponentHandler

Returns:

the service

Throws:

java.lang.Exception - if unable to aquire service

doDispose

protected void doDispose()

Description copied from class: AbstractComponentHandler

Dispose handler specific resources. Subclasses should overide this to provide their own funcitonality.

Overrides:

doDispose in class AbstractComponentHandler