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/* *******************************************************************
* Copyright (c) 1999-2001 Xerox Corporation,
* 2002 Palo Alto Research Center, Incorporated (PARC).
* 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://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Xerox/PARC initial implementation
* Alex Vasseur wired up for @AJ proceeding
* Andy Clement 23-06-06 added extras for @AJ
* ******************************************************************/
package io.webfolder.ui4j.internal.aspectj.runtime.internal;
import io.webfolder.ui4j.internal.aspectj.lang.ProceedingJoinPoint;
public abstract class AroundClosure {
protected Object[] state;
// Records with the related joinpoint has a this or a target and whether
// either of them are bound in the pointcut. Set in the 'link' call made
// at each matching join point... (see pr126167)
// bit6 being 1 means the flags haven't been initialized
protected int bitflags = 0x100000;
protected Object[] preInitializationState;
public AroundClosure() {
}
public AroundClosure(Object[] state) {
this.state = state;
}
public int getFlags() {return bitflags;}
public Object[] getState() {
return state;
}
public Object[] getPreInitializationState() {
return preInitializationState;
}
/**
* This takes in the same arguments as are passed to the proceed
* call in the around advice (with primitives coerced to Object types)
*/
public abstract Object run(Object[] args) throws Throwable;
/**
* This method is called to implicitly associate the closure with the joinpoint
* as required for @AJ aspect proceed()
*/
public ProceedingJoinPoint linkClosureAndJoinPoint() {
//TODO is this cast safe ?
ProceedingJoinPoint jp = (ProceedingJoinPoint)state[state.length-1];
jp.set$AroundClosure(this);
return jp;
}
/**
* This method is called to implicitly associate the closure with the joinpoint
* as required for @AJ aspect proceed()
*/
public ProceedingJoinPoint linkClosureAndJoinPoint(int flags) {
//TODO is this cast safe ?
ProceedingJoinPoint jp = (ProceedingJoinPoint)state[state.length-1];
jp.set$AroundClosure(this);
this.bitflags = flags;
return jp;
}
}