public BooleanQuery filter(Query input,
    BooleanQuery output) 
{
    addTerms(input, output);
    addSloppyPhrases(input, output);
    return output;
}

 public Configuration getConf() 
{
    return this.conf;
}

 public  void setAnchorBoost(float boost) 
{
 FIELD_BOOSTS[ANCHOR_BOOST] = boost;
}

Set the boost factor for title/anchor matches, relative to url and content matches.

 public  void setConf(Configuration conf) 
{
    this.conf = conf;
    this.FIELD_BOOSTS[URL_BOOST] = conf.getFloat("query.url.boost", 4.0f);
    this.FIELD_BOOSTS[ANCHOR_BOOST] = conf.getFloat("query.anchor.boost", 2.0f);
    this.FIELD_BOOSTS[CONTENT_BOOST] = conf.getFloat("query.content.boost", 1.0f);
    this.FIELD_BOOSTS[TITLE_BOOST] = conf.getFloat("query.title.boost", 1.5f);
    this.FIELD_BOOSTS[HOST_BOOST] = conf.getFloat("query.host.boost", 2.0f);
    this.PHRASE_BOOST = conf.getFloat("query.phrase.boost", 1.0f);
    findAdditionalFields(conf);
}

 public  void setPhraseBoost(float boost) 
{
 PHRASE_BOOST = boost;
}

Set the boost factor for sloppy phrase matches relative to unordered term matches.

 public  void setSlop(int slop) 
{
 SLOP = slop;
}

Set the maximum number of terms permitted between matching terms in a sloppy phrase match.

 public  void setUrlBoost(float boost) 
{
                  
       FIELD_BOOSTS[URL_BOOST] = boost;
}

Set the boost factor for url matches, relative to content and anchor matches