/**
* Copyright 2007-2008 University Of Southern California
*
* 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 edu.isi.pegasus.planner.mapper;
/**
* An empty interface for all transfer Mappers that determine where a File
* should be on a particular site.
*
* @author Karan Vahi
*/
public interface Mapper {
/**
* Returns a short description of the mapper.
*
* @return
*/
public String description();
}