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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.aop.interceptor

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Java Document (Java Doc)

java.lang .Object

org.springframework.aop.interceptor .ExposeInvocationInterceptor

ExposeInvocationInterceptor

public class ExposeInvocationInterceptor implements MethodInterceptor,Serializable(Code)

Interceptor that exposes the current MethodInvocation. We occasionally need to do this; for example, when a pointcut or target object needs to know the Invocation context.

Don't use this interceptor unless this is really necessary. Target objects should not normally know about Spring AOP, as this creates a dependency on Spring. Target objects should be plain POJOs as far as possible.

If used, this interceptor will normally be the first in the interceptor chain.
author:
Rod Johnson

Field Summary
final public static Advisor	ADVISOR Singleton advisor for this class.
final public static ExposeInvocationInterceptor	INSTANCE

Method Summary
public static MethodInvocation	currentInvocation() Return the AOP Alliance MethodInvocation object associated with the current invocation.
public Object	invoke(MethodInvocation mi)

Field Detail

ADVISOR
final public static Advisor ADVISOR(Code)
	Singleton advisor for this class. Use in preference to INSTANCE when using Spring AOP, as it prevents the need to create a new Advisor to wrap the instance.

INSTANCE
final public static ExposeInvocationInterceptor INSTANCE(Code)
	Singleton instance of this class

Method Detail

currentInvocation
public static MethodInvocation currentInvocation() throws IllegalStateException(Code)
	Return the AOP Alliance MethodInvocation object associated with the current invocation. the invocation object associated with the current invocation throws: IllegalStateException - if there is no AOP invocation in progress,or if the ExposeInvocationInterceptor was not added to this interceptor chain

invoke
public Object invoke(MethodInvocation mi) throws Throwable(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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