/**
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 Sep 28, 2010
*/
package com.bigdata.bop;
import com.bigdata.htree.HTree;
/**
* Annotations for an operator using an {@link HTree}.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id: ConcurrentHashMapAnnotations.java 3665 2010-09-28 16:53:22Z thompsonbry $
*/
public interface HTreeAnnotations extends IndexAnnotations {
/**
* The number of address bits to use (default {@link #DEFAULT_ADDRESS_BITS}
* ). The fan-out of the {@link HTree} will be <code>2^addressBits</code>. A
* value of <code>10</code> will have a fan-out of <code>1024</code> and the
* resulting page size will be in 4 ~ 8k.
*
* @see #DEFAULT_ADDRESS_BITS
*/
String ADDRESS_BITS = HTreeAnnotations.class.getName() + ".addressBits";
int DEFAULT_ADDRESS_BITS = 10;
}