org.objectweb.jac.aspects.tracing
Class SimpleCountingWrapper

java.lang.Object
  |
  +--org.objectweb.jac.core.Wrapper
        |
        +--org.objectweb.jac.aspects.tracing.SimpleCountingWrapper

All Implemented Interfaces:

Advice, ConstructorInterceptor, Interceptor, MethodInterceptor, Serializable

Direct Known Subclasses:

OptimizedCountingWrapper

public class SimpleCountingWrapper

extends Wrapper

This simple counter must wrap the methods of which calls have to be counted.

In some cases, optimizations can be achieved by grouping counts. See OptimizedCountingWrapper.

See Also:

OptimizedCountingWrapper, Serialized Form

Field Summary

Fields inherited from class org.objectweb.jac.core.Wrapper

ac, cr

Constructor Summary

SimpleCountingWrapper(AspectComponent ac, Counter counter)
Creates a new wrapper that uses the given counter.

Method Summary

Object	construct(ConstructorInvocation invocation)
int	getCounter() Role method: get the counter value.
Object	incr(Interaction interaction) This wrapping method increments the counter when the wrapped method is called.
Object	invoke(MethodInvocation invocation)
void	printCounter() Prints the counter in System.out.
void	setCounter(int value) Role method: set the counter value.

Methods inherited from class org.objectweb.jac.core.Wrapper

attr, attrdef, defines, getAspectComponent, getAspectComponentName, getExceptionHandlers, proceed, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleCountingWrapper

public SimpleCountingWrapper(AspectComponent ac,
                             Counter counter)

Creates a new wrapper that uses the given counter.

Parameters:

counter - the counter

Method Detail

incr

public Object incr(Interaction interaction)

This wrapping method increments the counter when the wrapped method is called.

Returns:

the return value of the wrapped method

setCounter

public void setCounter(int value)

Role method: set the counter value.

Parameters:

value - the new counter value

See Also:

getCounter(), incr(Interaction)

getCounter

public int getCounter()

Role method: get the counter value.

Returns:

the counter value

See Also:

setCounter(int), incr(Interaction)

printCounter

public void printCounter()

Prints the counter in System.out.

invoke

public Object invoke(MethodInvocation invocation)
              throws Throwable

Specified by:

invoke in interface MethodInterceptor

Overrides:

invoke in class Wrapper

Throwable

construct

public Object construct(ConstructorInvocation invocation)
                 throws Throwable

Specified by:

construct in interface ConstructorInterceptor

Overrides:

construct in class Wrapper

Throwable