Package org.springframework.boot.builder

Class ParentContextCloserApplicationListener

java.lang.Object

org.springframework.boot.builder.ParentContextCloserApplicationListener

All Implemented Interfaces:

EventListener, Aware, ApplicationContextAware, ApplicationListener<ParentContextApplicationContextInitializer.ParentContextAvailableEvent>, Ordered

public class ParentContextCloserApplicationListener
extends Object
implements ApplicationListener<ParentContextApplicationContextInitializer.ParentContextAvailableEvent>, ApplicationContextAware, Ordered

Listener that closes the application context if its parent is closed. It listens for refresh events and grabs the current context from there, and then listens for closed events and propagates it down the hierarchy.

Since:

1.0.0

Author:

Dave Syer, Eric Bottard

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	ParentContextCloserApplicationListener.ContextCloserListener	ApplicationListener to close the context.

Field Summary

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor	Description
ParentContextCloserApplicationListener()

Method Summary

Modifier and Type	Method	Description
protected ParentContextCloserApplicationListener.ContextCloserListener	createContextCloserListener(ConfigurableApplicationContext child)	Subclasses may override to create their own subclass of ContextCloserListener.
int	getOrder()
void	onApplicationEvent(ParentContextApplicationContextInitializer.ParentContextAvailableEvent event)
void	setApplicationContext(ApplicationContext context)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.context.ApplicationListener

supportsAsyncExecution

Constructor Details

ParentContextCloserApplicationListener

public ParentContextCloserApplicationListener()

Method Details

getOrder

public int getOrder()

Specified by:

getOrder in interface Ordered

setApplicationContext

public void setApplicationContext(ApplicationContext context)
                           throws BeansException

Specified by:

setApplicationContext in interface ApplicationContextAware

Throws:

BeansException

onApplicationEvent

public void onApplicationEvent(ParentContextApplicationContextInitializer.ParentContextAvailableEvent event)

Specified by:

onApplicationEvent in interface ApplicationListener<ParentContextApplicationContextInitializer.ParentContextAvailableEvent>

createContextCloserListener

protected ParentContextCloserApplicationListener.ContextCloserListener createContextCloserListener(ConfigurableApplicationContext child)

Subclasses may override to create their own subclass of ContextCloserListener. This still enforces the use of a weak reference.

Parameters:

child - the child context

Returns:

the ParentContextCloserApplicationListener.ContextCloserListener to use