/*

  * 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.onami.factoryannotation;

 import java.lang.annotation.Annotation;

 /**

  * This interface needs to be implemented by all listeners that are interested in events of identity provision. Avaiable

  * events are {@link #beforeInjection(FactoryAnnotationProvision, Annotation)} and

  * {@link #afterInjection(FactoryAnnotationProvision, Annotation, Object)}.

  * 

  * @param <T> The type to be injected

  * @param <A> Annotation type where injection happens

  * @since 4.0

  * @author noctarius

  */

 public interface FactoryAnnotationProvisionListener<T, A extends Annotation>

 {

     /**

      * This event is called just before the provision will take place.

      * 

      * @param factoryAnnotationProvision {@link FactoryAnnotationProvision} implementation holding information about the

      *            provision.

      * @param provisionAnnotation The actual annotation of the bound annotation type

      */

     void beforeInjection( FactoryAnnotationProvision<T, A> factoryAnnotationProvision, A provisionAnnotation );

     /**

      * This event is called directly after the provision has taken place.

      * 

      * @param factoryAnnotationProvision {@link FactoryAnnotationProvision} implementation holding information about the

      *            provision.

      * @param provisionAnnotation The actual annotation of the bound annotation type

      * @param value The value that was injected during the provision

      */

     void afterInjection( FactoryAnnotationProvision<T, A> factoryAnnotationProvision, A provisionAnnotation, T value );

 }