/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.gom.om;
import org.openrdf.model.URI;
/**
* The IIDGenerator interface is used to create default object URI
* ids for new objects. This can be exploited by various use cases where
* a unique id can be conveniently managed by the system.
* <p>
* The interface allows applications to control the ID creation if required.
*
* @author Martyn Cutcher
*
*/
public interface IIDGenerator {
/**
* Generate a globally unique URI.
*
* @return The URI.
*/
URI genId();
/**
* Generate a globally unique URI.
*
* @param scope
* The scope will be incorporated into the URI. This is not
* necessary to make the URI globally unique, but it can make it
* easier to embed some non-opaque semantics into a globally
* unique URI.
*
* @return The URI.
*/
URI genId(final String scope);
/**
* A rollback hook is required
*/
void rollback();
}