Collection of useful codec, postings format and terms dictionary implementations.
| Package | Description | 
|---|---|
| org.apache.lucene.codecs.blockterms | Pluggable term index / block terms dictionary implementations. | 
| org.apache.lucene.codecs.blocktreeords | Same postings format as Lucene50, except the terms dictionary also supports ords, i.e. | 
| org.apache.lucene.codecs.bloom | Codec PostingsFormat for fast access to low-frequency terms such as primary key fields. | 
| org.apache.lucene.codecs.memory | Term dictionary, DocValues or Postings formats that are read entirely into memory. | 
| org.apache.lucene.codecs.simpletext | Simpletext Codec: writes human readable postings. | 
| org.apache.lucene.codecs.uniformsplit | Pluggable term index / block terms dictionary implementations. | 
| org.apache.lucene.codecs.uniformsplit.sharedterms | Pluggable term index / block terms dictionary implementations. |