/*
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
*/
/*
* Created on Feb 28, 2008
*/
package com.bigdata.mdi;
/**
* Interface provides access to the left and right separator keys for an index
* partition.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public interface ISeparatorKeys {
/**
* The separator key that defines the left edge of that index partition
* (always defined) - this is the first key that can enter the index
* partition. The left-most separator key for a scale-out index is always an
* empty <code>byte[]</code> since that is the smallest key that may be
* defined.
*/
public byte[] getLeftSeparatorKey();
/**
* The separator key that defines the right edge of that index partition or
* <code>null</code> iff the index partition does not have a right sibling
* (a <code>null</code> has the semantics of having no upper bound).
*/
public byte[] getRightSeparatorKey();
}