// $Id: SearcherThread.java 15541 2008-11-10 20:14:05Z hardy.ferentschik $
package org.hibernate.search.test.perf;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.Searcher;
import org.apache.lucene.document.Document;
import org.slf4j.Logger;
import org.hibernate.SessionFactory;
import org.hibernate.search.FullTextQuery;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.SearchException;
import org.hibernate.search.util.LoggerFactory;
/**
* @author Emmanuel Bernard
*/
public class SearcherThread implements Runnable {
private static final Logger log = LoggerFactory.make();
private final int threadId;
private final String queryString;
private final SessionFactory sf;
private final IndexSearcher indexsearcher;
private final boolean isLucene;
private final CountDownLatch startSignal;
private long time;
/**
* Initialize with thread-id, queryString, indexSearcher
* @param startSignal
*/
public SearcherThread(int threadId, String queryString, SessionFactory sf, IndexSearcher indexSearcher, boolean isLucene, CountDownLatch startSignal) {
this.isLucene = isLucene;
this.threadId = threadId;
this.queryString = queryString;
this.sf = sf;
this.indexsearcher = indexSearcher;
this.startSignal = startSignal;
}
/**
* @see java.lang.Runnable#run()
*/
public void run() {
try {
startSignal.await();
} catch (InterruptedException e) {
log.error( "tests canceled", e );
return;
}
if ( isLucene ) {
runLucene();
}
else {
runHSearch();
}
}
public void runLucene() {
try {
Query q = getQuery();
long start = System.currentTimeMillis();
// Search
TopDocs hits = indexsearcher.search( q, 1000 );
List<String> names = new ArrayList<String>(100);
for (int i = 0 ; i < 100 ; i++) {
Document doc = getDocument( indexsearcher, hits.scoreDocs[i].doc );
names.add( doc.get( "name" ) );
}
int resultSize = hits.totalHits;
long totalTime = System.currentTimeMillis() - start;
// log.error( "Lucene [ Thread-id : " + threadId + " ] Total time taken for search is : " + totalTime + "ms with total no. of matching records : " + hits.length() );
setTime( totalTime );
}
catch (ParseException e) {
System.out.println( "[ Thread-id : " + threadId + " ] Parse Exception for queryString : " + queryString );
e.printStackTrace();
}
catch (IOException e) {
System.out.println( "[ Thread-id : " + threadId + " ] IO Exception for queryString : " + queryString );
}
catch (Exception e) {
e.printStackTrace( );
}
}
private Document getDocument(Searcher searcher, int docId ) {
try {
return searcher.doc( docId );
} catch (IOException ioe) {
throw new SearchException( "Unable to retrieve document", ioe );
}
}
private Query getQuery() throws ParseException {
QueryParser qp = new QueryParser( "t", new StandardAnalyzer() );
qp.setLowercaseExpandedTerms( true );
// Parse the query
Query q = qp.parse( queryString );
if ( q instanceof BooleanQuery ) {
BooleanQuery.setMaxClauseCount( Integer.MAX_VALUE );
}
return q;
}
public void runHSearch() {
try {
Query q = getQuery();
// Search
FullTextSession ftSession = Search.getFullTextSession( sf.openSession( ) );
final FullTextQuery textQuery = ftSession.createFullTextQuery( q, Boat.class )
.setMaxResults( 100 ).setProjection( "name" );
long start = System.currentTimeMillis();
List results = textQuery.list();
int resultSize = textQuery.getResultSize();
long totalTime = System.currentTimeMillis() - start;
ftSession.close();
// log.error( "HSearch [ Thread-id : " + threadId + " ] Total time taken for search is : " + totalTime + "ms with total no. of matching records : " + resultSize );
setTime( totalTime );
}
catch (ParseException e) {
log.error( "[ Thread-id : " + threadId + " ] Parse Exception for queryString : " + queryString );
e.printStackTrace();
}
catch (Throwable e) {
log.error( "[ Thread-id : " + threadId + " ] Exception for queryString : " + queryString );
e.printStackTrace( );
}
}
public synchronized long getTime() {
return time;
}
public synchronized void setTime(long time) {
this.time = time;
}
}