QMap< int, float >
FuzzyIndex::search( const Tomahawk::query_ptr& query )
{
// QMutexLocker lock( &m_mutex );
QMap< int, float > resultsmap;
if ( !m_luceneReader || !m_luceneSearcher )
return resultsmap;
try
{
// float minScore = 0.00;
Collection<String> fields; // = newCollection<String>();
MultiFieldQueryParserPtr parser = newLucene<MultiFieldQueryParser>( LuceneVersion::LUCENE_CURRENT, fields, m_analyzer );
BooleanQueryPtr qry = newLucene<BooleanQuery>();
if ( query->isFullTextQuery() )
{
const QString q = Tomahawk::DatabaseImpl::sortname( query->fullTextQuery() );
FuzzyQueryPtr fqry = newLucene<FuzzyQuery>( newLucene<Term>( L"track", q.toStdWString() ) );
qry->add( boost::dynamic_pointer_cast<Query>( fqry ), BooleanClause::SHOULD );
FuzzyQueryPtr fqry2 = newLucene<FuzzyQuery>( newLucene<Term>( L"artist", q.toStdWString() ) );
qry->add( boost::dynamic_pointer_cast<Query>( fqry2 ), BooleanClause::SHOULD );
FuzzyQueryPtr fqry3 = newLucene<FuzzyQuery>( newLucene<Term>( L"fulltext", q.toStdWString() ) );
qry->add( boost::dynamic_pointer_cast<Query>( fqry3 ), BooleanClause::SHOULD );
}
else
{
const QString track = Tomahawk::DatabaseImpl::sortname( query->queryTrack()->track() );
const QString artist = Tomahawk::DatabaseImpl::sortname( query->queryTrack()->artist() );
//QString album = Tomahawk::DatabaseImpl::sortname( query->queryTrack()->album() );
FuzzyQueryPtr fqry = newLucene<FuzzyQuery>( newLucene<Term>( L"track", track.toStdWString() ), 0.5, 3 );
qry->add( boost::dynamic_pointer_cast<Query>( fqry ), BooleanClause::MUST );
FuzzyQueryPtr fqry2 = newLucene<FuzzyQuery>( newLucene<Term>( L"artist", artist.toStdWString() ), 0.5, 3 );
qry->add( boost::dynamic_pointer_cast<Query>( fqry2 ), BooleanClause::MUST );
}
TopScoreDocCollectorPtr collector = TopScoreDocCollector::create( 20, true );
m_luceneSearcher->search( qry, collector );
Collection<ScoreDocPtr> hits = collector->topDocs()->scoreDocs;
for ( int i = 0; i < collector->getTotalHits() && i < 20; i++ )
{
DocumentPtr d = m_luceneSearcher->doc( hits[i]->doc );
const float score = hits[i]->score;
const int id = QString::fromStdWString( d->get( L"trackid" ) ).toInt();
// if ( score > minScore )
{
resultsmap.insert( id, score );
// tDebug() << "Index hit:" << id << score << QString::fromWCharArray( ((Query*)qry)->toString() );
}
}
}
catch( LuceneException& error )
{
tDebug() << "Caught Lucene error:" << QString::fromWCharArray( error.getError().c_str() ) << query->toString();
}
return resultsmap;
}
TEST_F(SimpleExplanationsOfNonMatchesTest, testBQ17) {
BooleanQueryPtr q = newLucene<BooleanQuery>(true);
q->add(qp->parse(L"w2"), BooleanClause::SHOULD);
q->add(qp->parse(L"w1 -xx"), BooleanClause::SHOULD);
qtest(q, newCollection<int32_t>(0, 1, 2, 3));
}
