org.apache.aries.blueprint.proxy
Class Collaborator

java.lang.Object
  org.apache.aries.blueprint.proxy.Collaborator

All Implemented Interfaces:

Serializable, org.apache.aries.proxy.InvocationListener

public class Collaborator
extends Object
implements org.apache.aries.proxy.InvocationListener, Serializable

A collaborator which ensures preInvoke and postInvoke occur before and after method invocation

See Also:

Serialized Form

Constructor Summary

Collaborator(org.osgi.service.blueprint.reflect.ComponentMetadata cm, List<org.apache.aries.blueprint.Interceptor> interceptors)

Method Summary

void	postInvoke(Object token, Object o, Method method, Object returnType) Called when the method is called and returned normally
void	postInvokeExceptionalReturn(Object token, Object o, Method method, Throwable exception) Called when the method is called and returned with an exception
Object	preInvoke(Object o, Method m, Object[] parameters) Invoke the preCall method on the interceptor

Methods inherited from class java.lang.Object

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

Constructor Detail

Collaborator

public Collaborator(org.osgi.service.blueprint.reflect.ComponentMetadata cm,
                    List<org.apache.aries.blueprint.Interceptor> interceptors)

Method Detail

preInvoke

public Object preInvoke(Object o,
                        Method m,
                        Object[] parameters)
                 throws Throwable

Invoke the preCall method on the interceptor

Specified by:

preInvoke in interface org.apache.aries.proxy.InvocationListener

Parameters:

o - : The Object being invoked

m - : method

parameters - : method paramters

Throws:

Throwable

postInvoke

public void postInvoke(Object token,
                       Object o,
                       Method method,
                       Object returnType)
                throws Throwable

Called when the method is called and returned normally

Specified by:

postInvoke in interface org.apache.aries.proxy.InvocationListener

Parameters:

cm - : component metadata

method - : method

returnType - : return type

Throws:

Throwable

postInvokeExceptionalReturn

public void postInvokeExceptionalReturn(Object token,
                                        Object o,
                                        Method method,
                                        Throwable exception)
                                 throws Throwable

Called when the method is called and returned with an exception

Specified by:

postInvokeExceptionalReturn in interface org.apache.aries.proxy.InvocationListener

Parameters:

cm - : component metadata

method - : method

exception - : exception thrown

Throws:

Throwable