/**
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 13, 2012
*/
package com.bigdata.bop.engine;
import java.util.HashSet;
import java.util.Set;
/**
* Statistics summary for a work queue feeding a specific operator for a query.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
public class QueueStats {
/**
* The set of shard identifiers for which there are queued
* {@link IChunkMessage}s. The size of this set is also the #of work queues
* for the operator). The shard identifier will be <code>-1</code> unless
* the operator is sharded and running on a cluster.
*/
public final Set<Integer> shardSet;
/**
* The #of {@link IChunkMessage}s which are queued the operator across the
* shards for which that operator has work queued.
*/
public int chunkCount;
/**
* The #of solutions in those queued chunks.
*/
public int solutionCount;
public QueueStats() {
this.shardSet = new HashSet<Integer>();
}
}