AbstractJmsMessageDrivenBean (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.ejb.support
Class AbstractJmsMessageDrivenBean

java.lang.Object
  org.springframework.ejb.support.AbstractMessageDrivenBean
      org.springframework.ejb.support.AbstractJmsMessageDrivenBean

All Implemented Interfaces:: Serializable, EnterpriseBean, MessageDrivenBean, MessageListener

public abstract class AbstractJmsMessageDrivenBean
extends AbstractMessageDrivenBean
implements MessageListener
extends AbstractMessageDrivenBean
implements MessageListener

Convenient superclass for JMS MDBs. Requires subclasses to implement the JMS interface javax.jms.MessageListener.

Author:: Rod Johnson
See Also:: Serialized Form

Field Summary

static String BEAN_FACTORY_PATH_ENVIRONMENT_KEY


Fields inherited from class org.springframework.ejb.support.AbstractMessageDrivenBean

logger

Constructor Summary

AbstractJmsMessageDrivenBean()


Method Summary

void ejbRemove()
          EJB lifecycle method, implemented to invoke onEjbRemote and unload the BeanFactory afterwards.

protected BeanFactory getBeanFactory()
          May be called after ejbCreate().

protected void onEjbRemove()
          Subclasses must implement this method to do any initialization they would otherwise have done in an ejbRemove() method.

void setBeanFactoryLocator(BeanFactoryLocator beanFactoryLocator)
          Set the BeanFactoryLocator to use for this EJB.

void setBeanFactoryLocatorKey(String factoryKey)
          Set the bean factory locator key.

Methods inherited from class org.springframework.ejb.support.AbstractMessageDrivenBean

ejbCreate, getMessageDrivenContext, onEjbCreate, setMessageDrivenContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.jms.MessageListener

onMessage

Methods inherited from interface javax.ejb.MessageDrivenBean

ejbRemove

Field Summary
`static String`	`BEAN_FACTORY_PATH_ENVIRONMENT_KEY`

Fields inherited from class org.springframework.ejb.support.AbstractMessageDrivenBean
`logger`

Constructor Summary
`AbstractJmsMessageDrivenBean()`

Method Summary
`void`	`ejbRemove()` EJB lifecycle method, implemented to invoke onEjbRemote and unload the BeanFactory afterwards.
`protected BeanFactory`	`getBeanFactory()` May be called after ejbCreate().
`protected void`	`onEjbRemove()` Subclasses must implement this method to do any initialization they would otherwise have done in an ejbRemove() method.
`void`	`setBeanFactoryLocator(BeanFactoryLocator beanFactoryLocator)` Set the BeanFactoryLocator to use for this EJB.
`void`	`setBeanFactoryLocatorKey(String factoryKey)` Set the bean factory locator key.

Methods inherited from class org.springframework.ejb.support.AbstractMessageDrivenBean
`ejbCreate, getMessageDrivenContext, onEjbCreate, setMessageDrivenContext`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface javax.jms.MessageListener
`onMessage`

Methods inherited from interface javax.ejb.MessageDrivenBean
`ejbRemove`

Field Detail

BEAN_FACTORY_PATH_ENVIRONMENT_KEY

public static final String BEAN_FACTORY_PATH_ENVIRONMENT_KEY

See Also:: Constant Field Values

Constructor Detail

AbstractJmsMessageDrivenBean

public AbstractJmsMessageDrivenBean()

Method Detail

setBeanFactoryLocator

public void setBeanFactoryLocator(BeanFactoryLocator beanFactoryLocator)

Set the BeanFactoryLocator to use for this EJB. Default is a ContextJndiBeanFactoryLocator.

Can be invoked before loadBeanFactory, for example in constructor or setSessionContext if you want to override the default locator.

Note that the BeanFactory is automatically loaded by the ejbCreate implementations of AbstractStatelessSessionBean and AbstractMessageDriverBean but needs to be explicitly loaded in custom AbstractStatefulSessionBean ejbCreate methods.

See Also:: AbstractStatelessSessionBean.ejbCreate(), AbstractMessageDrivenBean.ejbCreate(), AbstractStatefulSessionBean.loadBeanFactory(), ContextJndiBeanFactoryLocator

setBeanFactoryLocatorKey

public void setBeanFactoryLocatorKey(String factoryKey)

Set the bean factory locator key.

In case of the default BeanFactoryLocator implementation, ContextJndiBeanFactoryLocator, this is the JNDI path. The default value of this property is "java:comp/env/ejb/BeanFactoryPath".

Can be invoked before loadBeanFactory, for example in constructor or setSessionContext if you want to override the default locator key.

See Also:: BEAN_FACTORY_PATH_ENVIRONMENT_KEY

getBeanFactory

protected BeanFactory getBeanFactory()

May be called after ejbCreate().

Returns:: the bean factory

ejbRemove

public void ejbRemove()

EJB lifecycle method, implemented to invoke onEjbRemote and unload the BeanFactory afterwards.

Don't override it (although it can't be made final): code your shutdown in onEjbRemove.

See Also:: onEjbRemove()

onEjbRemove

protected void onEjbRemove()

Subclasses must implement this method to do any initialization they would otherwise have done in an ejbRemove() method. The BeanFactory will be unloaded afterwards.

This implementation is empty, to be overridden in subclasses. The same restrictions apply to the work of this method as to an ejbRemove() method.