org.trimou.engine.context

Class ValueWrapper

java.lang.Object

org.trimou.engine.resource.AbstractReleaseCallbackContainer

org.trimou.engine.context.ValueWrapper

All Implemented Interfaces:

ResolutionContext, ReleaseCallbackContainer

@Internal
public final class ValueWrapper
extends AbstractReleaseCallbackContainer
implements ResolutionContext

Wrapper for the resolved value object and release callbacks. The AbstractReleaseCallbackContainer.release() method must be always called after the wrapper is used, even if the resolved object is null (there might be still some callbacks registered).

Author:

Martin Kouba

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	get()
boolean	isNull()

Methods inherited from class org.trimou.engine.resource.AbstractReleaseCallbackContainer

registerReleaseCallback, release

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.trimou.engine.resource.ReleaseCallbackContainer

registerReleaseCallback

Method Detail

get

public java.lang.Object get()

Returns:

the resolved object or null if no such object exists

isNull

public boolean isNull()

Returns:

true if there is no wrapped value (resolved object), false otherwise