FeatureVectorAsObject.java 文件源码

@Override
public int hashCode() {
    int hash = MurmurHash.initialize();
    int n = 0;
    for (int i = 0; i<features.length-3; i++) { // don't include INFO
        if ( featureMetaData!=null && featureMetaData[i]==FeatureMetaData.UNUSED ) continue;
        n++;
        int feature = features[i];
        hash = MurmurHash.update(hash, feature);
    }
    return MurmurHash.finish(hash, n);
}