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/* *******************************************************************
* Copyright (c) 2005 Contributors.
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wes Isberg initial implementation
* ******************************************************************/
// START-SAMPLE tracing-traceJoinPoints Trace join points executed
package org.aspectj.lib.tracing;
import org.aspectj.lang.JoinPoint;
/**
* Trace join points being executed in context.
* To use this, define the abstract members in a subaspect.
* <b>Warning</b>: this does not trace join points that do not
* support after advice.
* @author Jim Hugunin, Wes Isberg
*/
abstract aspect TraceJoinPointsBase {
declare precedence : TraceJoinPointsBase, *;
abstract protected pointcut entry();
/** ignore join points outside this scope - use within(..) */
abstract protected pointcut withinScope();
protected pointcut exit(): withinScope() && call(* java..*.*(..));
final pointcut start(): withinScope() && entry() && !cflowbelow(entry());
final pointcut trace(): withinScope() && cflow(entry())
&& !cflowbelow(exit()) && !within(TraceJoinPointsBase+);
private pointcut supportsAfterAdvice() : !handler(*)
&& !preinitialization(new(..));
before(): start() { startLog(); }
before(): trace() && supportsAfterAdvice(){
logEnter(thisJoinPointStaticPart);
}
after(): trace() && supportsAfterAdvice() {
logExit(thisJoinPointStaticPart);
}
after(): start() { completeLog(); }
abstract protected void logEnter(JoinPoint.StaticPart jp);
abstract protected void logExit(JoinPoint.StaticPart jp);
/** called before any logging */
abstract protected void startLog();
/** called after any logging */
abstract protected void completeLog();
}
// END-SAMPLE tracing-traceJoinPoints
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