/**
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 17, 2007
*/
package com.bigdata.journal;
import com.bigdata.btree.IIndex;
import com.bigdata.counters.ICounterSetAccess;
/**
* Interface for managing named indices.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
public interface IIndexManager extends IIndexStore, IGISTManager, ICounterSetAccess {
/**
* Return a view of the named index as of the specified timestamp.
*
* @param name
* The index name.
* @param timestamp
* A timestamp which represents either a possible commit time on
* the store or a read-only transaction identifier.
*
* @return The index or <code>null</code> iff there is no index registered
* with that name for that timestamp.
*
* @see IBTreeManager#getIndexLocal(String, long)
*/
IIndex getIndex(String name, long timestamp); // non-GIST
/**
* Return true if the index manager supports group commit semantics.
*
* @see #566 (NSS GROUP COMMIT)
*/
boolean isGroupCommit();
}