package uws.service.file;
/*
* This file is part of UWSLibrary.
*
* UWSLibrary is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* UWSLibrary is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with UWSLibrary. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2012 - UDS/Centre de Données astronomiques de Strasbourg (CDS)
*/
import uws.job.user.JobOwner;
/**
* <p>Let's grouping some owner directories.</p>
*
* <p>
* Rather than having the following hierarchy from the UWS root directory:
* - root
* L owner1_dir
* L result1.xml
* L result2.xml
* L owner1.backup
* L owner2_dir
* L ...
* L owner3_dir
* L ...
* This class let's you grouping owner directories thanks to the function {@link #getOwnerGroup(JobOwner)}:
* - root
* L group1
* L owner1_dir
* L result1.xml
* L result2.xml
* L owner1.backup
* L owner3_dir
* L ...
* L group2
* L owner2_dir
* L ...
* </p>
*
* @author Grégory Mantelet (CDS)
* @version 04/2012
*
* @see DefaultOwnerGroupIdentifier
*/
public interface OwnerGroupIdentifier {
/**
* Let's extracting the group name of the given job owner.
* @param owner The job owner whose the group name must be returned.
* @return Group name of the given job owner or <i>null</i> if the given job owner is <i>null</i>.
*/
public String getOwnerGroup(final JobOwner owner);
}