/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * 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 org.acegisecurity.vote;

 /**

  * This interface indicates data objects that carry a label. The purpose is to support

  * the {@link LabelBasedAclVoter}. When it votes, it evaluates all method arguments

  * tagged with this interface, and votes if they match the user's granted authorities list.

  *

  * @author Greg Turnquist

  */

 public interface LabeledData {

     //~ Methods ========================================================================================================

     /**

      * Retrieve the domain object's data label. NOTE: This implementation only supports one data label per

      * object.

      *

      * @return The label value of data object as a string.

      */

     String getLabel();

 }