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iPOJO Annotation pack. contained annotations are used to define iPOJO component type.

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/* 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.felix.ipojo.annotations;

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

/**
 * This annotation declares a lifecycle controller.
 *
 *  *     {@code @Component}
 *     public class MyComponent {
 *         // ...
 *         {@code @Controller}
 *         private boolean controller;
 *
 *         public void aMethod() {
 *             // Invalidate the instance
 *             controller = false;
 *         }
 *
 *         public void anotherMethod() {
 *             // Validate the instance again
 *             controller = true;
 *         }
 *     }
 * 

 * @author Felix Project Team
 */
@Target({ElementType.FIELD, ElementType.ANNOTATION_TYPE})
public @interface Controller {
    

}