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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.aop.support 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.springframework.aop.support.IntroductionInfoSupport
      org.springframework.aop.support.DelegatePerTargetObjectIntroductionInterceptor

DelegatePerTargetObjectIntroductionInterceptor
public class DelegatePerTargetObjectIntroductionInterceptor extends IntroductionInfoSupport implements IntroductionInterceptor(Code)
Convenient implementation of the org.springframework.aop.IntroductionInterceptor interface.

This differs from DelegatingIntroductionInterceptor in that a single instance of this class can be used to advise multiple target objects, and each target object will have its own delegate (whereas DelegatingIntroductionInterceptor shares the same delegate, and hence the same state across all targets).

The suppressInterface method can be used to suppress interfaces implemented by the delegate class but which should not be introduced to the owning AOP proxy.

An instance of this class is serializable if the delegates are.

Note: There are some implementation similarities between this class and DelegatingIntroductionInterceptor that suggest a possible refactoring to extract a common ancestor class in the future.
author:
   Adrian Colyer
author:
   Juergen Hoeller
since:
   2.0
See Also:   DelegatePerTargetObjectIntroductionInterceptor.suppressInterface
See Also:   DelegatingIntroductionInterceptor




Constructor Summary
public  DelegatePerTargetObjectIntroductionInterceptor(Class defaultImplType, Class interfaceType)
    

Method Summary
protected  ObjectdoProceed(MethodInvocation mi)
     Proceed with the supplied org.aopalliance.intercept.MethodInterceptor . Subclasses can override this method to intercept method invocations on the target object which is useful when an introduction needs to monitor the object that it is introduced into.
public  Objectinvoke(MethodInvocation mi)
     Subclasses may need to override this if they want to perform custom behaviour in around advice.


Constructor Detail
DelegatePerTargetObjectIntroductionInterceptor
public DelegatePerTargetObjectIntroductionInterceptor(Class defaultImplType, Class interfaceType)(Code)




Method Detail
doProceed
protected Object doProceed(MethodInvocation mi) throws Throwable(Code)
Proceed with the supplied org.aopalliance.intercept.MethodInterceptor . Subclasses can override this method to intercept method invocations on the target object which is useful when an introduction needs to monitor the object that it is introduced into. This method is never called for MethodInvocation MethodInvocations on the introduced interfaces.



invoke
public Object invoke(MethodInvocation mi) throws Throwable(Code)
Subclasses may need to override this if they want to perform custom behaviour in around advice. However, subclasses should invoke this method, which handles introduced interfaces and forwarding to the target.



Fields inherited from org.springframework.aop.support.IntroductionInfoSupport
protected transient Log logger(Code)(Java Doc)
protected Set publishedInterfaces(Code)(Java Doc)

Methods inherited from org.springframework.aop.support.IntroductionInfoSupport
public Class[] getInterfaces()(Code)(Java Doc)
protected void implementInterfacesOnObject(Object delegate)(Code)(Java Doc)
public boolean implementsInterface(Class intf)(Code)(Java Doc)
final protected boolean isMethodOnIntroducedInterface(MethodInvocation mi)(Code)(Java Doc)
public void suppressInterface(Class intf)(Code)(Java Doc)

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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