content: /**
   * 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.aries.blueprint;
  
  import org.osgi.service.blueprint.reflect.BeanMetadata;
  
  /**
   * TODO: javadoc
   *
   * Processors must be advertized as being such.  This can be done by using
   * the custom attribute defined in the extension schema.
   * <pre>
   *    &lt;bp:bean ext:role="processor" ...&gt;
   * </pre>
   *
   * @version $Rev$, $Date$
   */
  public interface BeanProcessor extends Processor {
  
      /**
       * Interface from which a BeanProcessor can obtain another bean.
       */
      interface BeanCreator {
          /**
           * Obtains a new instance of the Bean this BeanProcessor handled. <br>
           * New instances have been processed by the same chain of BeanProcessors
           * that the original Bean had been. 
           * @return new instance of bean.
           */
          Object getBean();
      }    
      
      Object beforeInit(Object bean, String beanName, BeanCreator beanCreator, BeanMetadata beanData);
  
      Object afterInit(Object bean, String beanName, BeanCreator beanCreator, BeanMetadata beanData);
  
      void beforeDestroy(Object bean, String beanName);
  
      void afterDestroy(Object bean, String beanName);
  
  }
  