org.aspectj.lang.annotation.DeclareMixin Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2009 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 Andy Clement
*******************************************************************************/
package org.aspectj.lang.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* DeclareMixin annotation - see design and usage in https://bugs.eclipse.org/bugs/show_bug.cgi?id=266552
*
* Attached to a factory method, this annotation indicates that any types matching the pattern specified in the annotation value
* will have new methods mixed in. The methods will be selected based on a combination of the return type of the factory method,
* possibly sub-setted by any list of interfaces specified in the interfaces annotation value.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface DeclareMixin {
/**
* @return the target types expression
*/
String value();
/**
* @return array of interfaces that are to be mixed in. This is optional and if not specified the return type of the annotated method
* will be used to determine the interface to mix in.
*/
Class[] interfaces() default { Object.class };
}