org.aspectj.lang.annotation.Pointcut Maven / Gradle / Ivy

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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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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 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:
 * initial implementation              Alexandre Vasseur
 *******************************************************************************/
package org.aspectj.lang.annotation;

import java.lang.annotation.Target;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * Pointcut declaration
 *
 * @author Alexandre Vasseur
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface Pointcut {

    /**
     * @return the pointcut expression
     * We allow "" as default for abstract pointcut
     */
    String value() default "";

    /**
     * When compiling without debug info, or when interpreting pointcuts at runtime,
     * the names of any arguments used in the pointcut are not available.
     * Under these circumstances only, it is necessary to provide the arg names in
     * the annotation - these MUST duplicate the names used in the annotated method.
     * Format is a simple comma-separated list.
     *
     * @return argNames the argument names (should match those in the annotated method)
     */
    String argNames() default "";
}