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The AspectJ matcher can be used for matching pointcuts independently of any AspectJ compilation or weaving steps. Most notably, this can be used by frameworks such as Spring AOP which utilise the @AspectJ pointcut syntax but implement aspect weaving in a way independent of AspectJ, e.g. using dynamic proxies.

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/* *******************************************************************
 * Copyright (c) 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 v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     PARC     initial implementation
 * ******************************************************************/


package org.aspectj.weaver.ast;


public class Not extends Test {
	Test test;

	public Not(Test test) {
		super();
		this.test = test;
	}

	public void accept(ITestVisitor v) {
		v.visit(this);
	}

	public Test getBody() {
		return test;
	}

	public String toString() {
		return "!" + test;
	}

	public boolean equals(Object other) {
		if (other instanceof Not) {
			Not o = (Not) other;
			return o.test.equals(test);
		} else {
			return false;
		}
	}

	public int hashCode() {
		return test.hashCode();
	}
}