/**
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 Aug 26, 2010
*/
package com.bigdata.bop.engine;
import java.io.Serializable;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;
import org.openrdf.model.Value;
import com.bigdata.rdf.sparql.ast.ASTContainer;
import com.bigdata.rdf.sparql.ast.optimizers.ASTOptimizerList;
/**
* Statistics associated with the Static Analysis phase, such as runtime for
* the parser, given optimizers, etc.
*
* @author <a href="mailto:ms@metaphacts.com">Michael Schmidt</a>
* @version $Id$
*/
public class StaticAnalysisStats implements Serializable {
private static final long serialVersionUID = 3092439315838261120L;
/**
* Batch resolve values to IVs stats.
*/
private final StaticAnalysisStat resolveValuesStat;
/**
* Parser statistics.
*/
private final StaticAnalysisStat parserStat;
/**
* Optimizer statistics.
*/
private final StaticAnalysisStat optimizerLoopStat;
/**
* Range count statistics.
*/
private final StaticAnalysisStat rangeCountStat;
/**
* Map for the statistics of the individual (non-loop).
*/
private final Map<String,StaticAnalysisStat> optimizerStats;
/**
* Create a new, initially empty stats object.
*
* @param staticAnalysisParseTimeElapsed time needed for parsing (ignored
* if left null)
*/
public StaticAnalysisStats() {
this.optimizerStats = new LinkedHashMap<String, StaticAnalysisStat>();
parserStat = new StaticAnalysisStat("ParseTime");
resolveValuesStat = new StaticAnalysisStat("ResolveValues");
rangeCountStat = new StaticAnalysisStat("RangeCount");
optimizerLoopStat = new StaticAnalysisStat("Optimizers");
}
/**
* Registers a call of the parser.
*
* @param elapsed the elapsed time for the parsing phase.
*/
public void registerParserCall(final ASTContainer astContainer) {
{
final Long elapsedNanoSec = astContainer.getQueryParseTime();
if (elapsedNanoSec != null) {
parserStat.incrementNrCalls();
parserStat.addElapsed(elapsedNanoSec);
}
}
{
final Long elapsedNanoSec = astContainer.getResolveValuesTime();
if (elapsedNanoSec != null) {
resolveValuesStat.incrementNrCalls();
resolveValuesStat.addElapsed(elapsedNanoSec);
}
}
}
/**
* Registers a call for the key optimizer loop in {@link ASTOptimizerList}.
*
* @param optimizerName the name of the optimizer
* @param elapsed the elapsed time for the optimizer loop
*/
public void registerOptimizerLoopCall(final long elapsedNanoSec) {
optimizerLoopStat.incrementNrCalls();
optimizerLoopStat.addElapsed(elapsedNanoSec);
}
public void registerRangeCountCall(final long elapsedNanoSec) {
rangeCountStat.incrementNrCalls();
rangeCountStat.addElapsed(elapsedNanoSec);
}
/**
* Registers a call to a specific AST optimizer (different the main loop).
*
* @param optimizerName the name of the optimizer
* @param elapsed the elapsed time for the optimizer loop
*/
public void registerOptimizerCall(
final String optimizerName, final long elapsedNanoSec) {
if (optimizerStats.get(optimizerName)==null) {
optimizerStats.put(optimizerName, new StaticAnalysisStat(optimizerName));
}
StaticAnalysisStat stat = optimizerStats.get(optimizerName);
stat.incrementNrCalls();
stat.addElapsed(elapsedNanoSec);
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("#StaticAnalysisStats: ");
if (parserStat!=null) {
sb.append(parserStat);
sb.append(" ");
}
if (resolveValuesStat!=null) {
sb.append(resolveValuesStat);
sb.append(" ");
}
if (optimizerLoopStat!=null) {
sb.append(optimizerLoopStat);
sb.append(" ");
}
for (StaticAnalysisStat optimizerStat : optimizerStats.values()) {
sb.append(optimizerStat);
sb.append(" ");
}
return sb.toString();
}
/**
* @return stat object associated with the parser
*/
public StaticAnalysisStat getParserStat() {
return parserStat;
}
/**
* @return stat object associated with batch resolution of RDF {@link Value}s to IVs.
*/
public StaticAnalysisStat getResolveValuesStat() {
return resolveValuesStat;
}
/**
* @return stats object associated with the optimizer loop class
*/
public StaticAnalysisStat getOptimizerLoopStat() {
return optimizerLoopStat;
}
/**
* @return stat object associated with range count operations
*/
public StaticAnalysisStat getRangeCountStat() {
return rangeCountStat;
}
/**
* @return stats object associated with the optimizer loop class
*/
public Collection<StaticAnalysisStat> getOptimizerStats() {
return optimizerStats.values();
}
}