C++ (Cpp) DocumentPtr::objectId Examples

Example #1

File: Films.cpp Project: dmsovetov/films.js

// ** Films::similarTo
SimilarFilmsArray Films::similarTo( const std::string& oid, int count ) const
{
    SimilarFilmsArray result;

    OID           objectId = OID( oid );
    CollectionPtr similars = m_target->collection( "similar" );
    CursorPtr     cursor   = similars->find( QUERY( "$or" << ARRAY( DOCUMENT( "first" << oid ) << DOCUMENT( "second" << objectId ) ) ) );
    DocumentPtr   document;

    while( (document = cursor->next()) ) {
        // ** Read data from document
        OID first  = document->objectId( "first" );
        OID second = document->objectId( "second" );
        int value  = document->integer( "value" );

        // ** Decode similarity & accuracy
        float similarity, accuracy;
        decodeSimilarity( value, similarity, accuracy );

        // ** Push similar film
        Film    film    = filmById( first == objectId ? second : first );
        Quality quality = qualityFromRange( similarity, m_similarityQuartiles );
        result.push_back( SimilarFilm( film, similarity, accuracy, quality ) );
    }

    std::sort( result.begin(), result.end(), SimilarFilm::sortBySimilarity );
    if( count ) {
        result.resize( std::min( count, ( int )result.size() ) );
    }

    return result;
}