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AnalyzerUtil   Various fulltext analysis utilities avoiding redundant code in several classes.  code | html
AnalyzerUtil.MutableInteger     code | html
MemoryIndex   High-performance single-document main memory Apache Lucene fulltext search index.  code | html
MemoryIndex.ArrayIntList   Efficient resizable auto-expanding list holding int elements; implemented with arrays.  code | html
MemoryIndex.Info   Index data structure for a field; Contains the tokenized term texts and their positions.  code | html
MemoryIndex.MemoryIndexReader   Search support for Lucene framework integration; implements all methods required by the Lucene IndexReader contracts.  code | html
MemoryIndex.VM     code | html
PatternAnalyzer   Efficient Lucene analyzer/tokenizer that preferably operates on a String rather than a java.io.Reader , that can flexibly separate text into terms via a regular expression Pattern (with behaviour identical to String#split(String) ), and that combines the functionality of org.apache.lucene.analysis.LetterTokenizer , org.apache.lucene.analysis.LowerCaseTokenizer , org.apache.lucene.analysis.WhitespaceTokenizer , org.apache.lucene.analysis.StopFilter into a single efficient multi-purpose class.  code | html
PatternAnalyzer.FastStringReader   A StringReader that exposes it's contained string for fast direct access.  code | html
PatternAnalyzer.FastStringTokenizer   Special-case class for best performance in common cases; this class is otherwise unnecessary.  code | html
PatternAnalyzer.PatternTokenizer   The work horse; performance isn't fantastic, but it's not nearly as bad as one might think - kudos to the Sun regex developers.  code | html
SynonymMap   Loads the WordNet prolog file wn_s.pl into a thread-safe main-memory hash map that can be used for fast high-frequency lookups of synonyms for any given (lowercase) word string.  code | html
SynonymTokenFilter   Injects additional tokens for synonyms of token terms fetched from the underlying child stream; the child stream must deliver lowercase tokens for synonyms to be found.  code | html