ovm.polyd.policy
Class DebuggingInvocation

java.lang.Object
  ovm.polyd.policy.Invocation
      ovm.polyd.policy.PlainInvocation
          ovm.polyd.policy.DebuggingInvocation

public class DebuggingInvocation
extends PlainInvocation

An invocation policy that prints on the standard output all the method invocations, and the return values.

Method Summary

java.lang.Object	invoke(java.lang.Object obj, java.lang.reflect.Method m, java.lang.Object[] args) Invoke one method, using the given argument, performing additional actions whenever necessary.
static Invocation	theInvocation() Returns an instance of this invocation policy.

Methods inherited from class java.lang.Object

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

Method Detail

theInvocation

public static Invocation theInvocation()

Returns an instance of this invocation policy.

Returns:

an instance of this policy (a singleton)

invoke

public java.lang.Object invoke(java.lang.Object obj,
                               java.lang.reflect.Method m,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

Description copied from class: Invocation

Invoke one method, using the given argument, performing additional actions whenever necessary.

Overrides:

invoke in class PlainInvocation

Parameters:

obj - the instance to which the message is sent

m - the method

args - the arguments (including wrapped primitives)

Returns:

the result of the method invocation, or null

Throws:

java.lang.Throwable