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DelegatingPersistenceManager (JBoss/JMX API) - JBoss 4.0.1 sp1 jmx API Documentation 英文版文档

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org.jboss.mx.persistence
Class DelegatingPersistenceManager

java.lang.Object
  org.jboss.mx.persistence.DelegatingPersistenceManager

All Implemented Interfaces:

PersistenceManager

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public class DelegatingPersistenceManager

extends Object

implements PersistenceManager

DelegatingPersistenceManager. An XMBean Persistence Manager that delegates to an external MBean-controlled implementation the actual persistence of MBean attributes.

Version:

$Revision: 1.3 $

Author:

Dimitris Andreadis

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Constructor Summary

DelegatingPersistenceManager()

 

Method Summary
protected  void	init(ModelMBeanInvoker invoker, MBeanInfo metadata)           Lazy initialization Gets the external persistor to use and decides on the persistName to use for this MBean load()/store() calls.
protected  boolean	isLoading()           Check if we are loading state
void	load(ModelMBeanInvoker invoker, MBeanInfo metadata)           Called initialy when the XMBean is constructed in order to load and set the attributes of the MBean, if their persistent image exists.
protected  void	setIsLoading(boolean newIsLoading)           Set the loading status
void	store(MBeanInfo metadata)           store() is triggered by the PersistenceInterceptor based on the persistence policy.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

DelegatingPersistenceManager

public DelegatingPersistenceManager()

Method Detail

load

public void load(ModelMBeanInvoker invoker,
                 MBeanInfo metadata)
          throws MBeanException

Called initialy when the XMBean is constructed in order to load and set the attributes of the MBean, if their persistent image exists.

Specified by:

load in interface PersistenceManager

Throws:

MBeanException

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store

public void store(MBeanInfo metadata)
           throws MBeanException

store() is triggered by the PersistenceInterceptor based on the persistence policy. In the simple case, it will be called for every attribute set. store() will save *all* attributes that: (a) are writable (so we can re-load them later on) (b) their value exists in the ATTRIBUTE_VALUE descriptor (c) are not marked as PM_NEVER

Specified by:

store in interface PersistenceManager

Throws:

MBeanException

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init

protected void init(ModelMBeanInvoker invoker,
                    MBeanInfo metadata)
             throws MBeanException

Lazy initialization Gets the external persistor to use and decides on the persistName to use for this MBean load()/store() calls.

Throws:

MBeanException

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isLoading

protected boolean isLoading()

Check if we are loading state

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setIsLoading

protected void setIsLoading(boolean newIsLoading)

Set the loading status

Parameters:

newIsLoading -

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