org.ff4j.aop.Flip Maven / Gradle / Ivy

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package org.ff4j.aop;

/*
 * #%L ff4j-aop %% Copyright (C) 2013 Ff4J %% Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
 * file except in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License. #L%
 */

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

import javax.lang.model.type.NullType;

/**
 * FeatureFlipping Core Annotation.
 * 
 * 

 * By annotating the target method the advisor could intercept method call and subsitute with alter class or mock class.
 * 
 * @author Cedrick LUNVEN
 * @author Vincent Ricard
 */
@Inherited
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface Flip {

    /**
     * Feature UID to be used.
     * 
     * @return unique target id.
     */
    String name();

    /**
     * Overriding Fliping Strategy.
     * 
     * @return target Flipping Strategy
     */
    Class strategy() default NullType.class;

    /**
     * Location of the flipping execution context.
     *
     * @return flippinf execution context location
     */
    ContextLocation contextLocation() default ContextLocation.NONE;

    /**
     * Set implementation clazz to be used.
     * 
     * @return mock java class
     **/
    Class alterClazz() default NullType.class;

    /**
     * Set implementation beanName to be used.
     * 
     * @return target bean name
     */
    String alterBean() default "";

}