/**

  * Copyright 2008 WebPhotos

  *

  * 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.

  */

 package net.sf.webphotos.entity;

 /**

  *

  * @author Guilherme

  */

 public abstract class PhotoEntity implements IsPhoto {

     @Override

     public int compareTo(IsPhoto o2) {

         return this.getKey().compareTo(o2.getKey());

     }

     @Override

     public int hashCode() {

         return this.getKey().hashCode();

     }

     @Override

     public boolean equals(Object obj) {

         if (obj == null) {

             return false;

         }

         if (getClass() != obj.getClass()) {

             return false;

         }

         final PhotoEntity other = (PhotoEntity) obj;

         return this.getKey().equals(other.getKey());

     }

 }