package org.apache.archiva.repository.event;
   
   /*
    * 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.
   */
  
  import org.apache.archiva.event.EventType;
  import org.apache.archiva.repository.Repository;
  
  /**
   * Repository value events are used for providing information about repository attribute changes.
   * The value event gives information of the attribute value before and after the change.
   *
   * @param <V> The type of the changed attribute
   */
  public class RepositoryValueEvent<V> extends RepositoryEvent {
  
      private static final long serialVersionUID = 4176597620699304794L;
  
      public static final EventType<RepositoryValueEvent<?>> ANY = new EventType(RepositoryEvent.ANY, "REPOSITORY.VALUE");
  
      final V value;
      final V oldValue;
      final String attributeName;
  
      public RepositoryValueEvent(EventType<? extends RepositoryValueEvent<V>> type, Object origin, Repository repo, V oldValue, V value,
                                  String attributeName) {
          super(type, origin, repo);
          this.value = value;
          this.oldValue = oldValue;
          this.attributeName = attributeName;
      }
  
      public V getValue() {
          return value;
      }
  
      public V getOldValue() {
          return oldValue;
      }
  
      public String getAttributeName() {
          return attributeName;
      }
  
  }