| Package | Description | 
|---|---|
| org.apache.lucene.analysis | Text analysis. | 
| org.apache.lucene.analysis.standard | Fast, general-purpose grammar-based tokenizer  StandardTokenizerimplements the Word Break rules from the Unicode Text Segmentation algorithm, as specified in 
 Unicode Standard Annex #29. | 
| org.apache.lucene.index | Code to maintain and access indices. | 
| org.apache.lucene.search | Code to search indices. | 
| org.apache.lucene.util | Some utility classes. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CachingTokenFilterThis class can be used if the token attributes of a TokenStream
 are intended to be consumed more than once. | 
| class  | FilteringTokenFilterAbstract base class for TokenFilters that may remove tokens. | 
| class  | LowerCaseFilterNormalizes token text to lower case. | 
| class  | StopFilterRemoves stop words from a token stream. | 
| class  | TokenFilterA TokenFilter is a TokenStream whose input is another TokenStream. | 
| class  | TokenizerA Tokenizer is a TokenStream whose input is a Reader. | 
| class  | TokenStream | 
| Constructor and Description | 
|---|
| TokenStream(AttributeSource input)A TokenStream that uses the same attributes as the supplied one. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | StandardFilterDeprecated. 
 StandardFilter is a no-op and can be removed from code | 
| class  | StandardTokenizerA grammar-based tokenizer constructed with JFlex. | 
| Modifier and Type | Method and Description | 
|---|---|
| AttributeSource | FilteredTermsEnum. attributes()Returns the related attributes, the returned  AttributeSourceis shared with the delegateTermsEnum. | 
| AttributeSource | TermsEnum. attributes()Returns the related attributes. | 
| AttributeSource | PostingsEnum. attributes()Deprecated. 
 this method is unused and will be removed in 7.0 | 
| AttributeSource | FilterLeafReader.FilterTermsEnum. attributes() | 
| AttributeSource | FilterLeafReader.FilterPostingsEnum. attributes() | 
| AttributeSource | FieldInvertState. getAttributeSource()Returns the  AttributeSourcefrom theTokenStreamthat provided the indexed tokens for this
  field. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected TermsEnum | MultiTermQuery.RewriteMethod. getTermsEnum(MultiTermQuery query,
            Terms terms,
            AttributeSource atts)Returns the  MultiTermQuerysTermsEnum | 
| protected TermsEnum | FuzzyQuery. getTermsEnum(Terms terms,
            AttributeSource atts) | 
| protected abstract TermsEnum | MultiTermQuery. getTermsEnum(Terms terms,
            AttributeSource atts)Construct the enumeration to be used, expanding the
  pattern term. | 
| protected TermsEnum | AutomatonQuery. getTermsEnum(Terms terms,
            AttributeSource atts) | 
| Constructor and Description | 
|---|
| FuzzyTermsEnum(Terms terms,
              AttributeSource atts,
              Term term,
              int maxEdits,
              int prefixLength,
              boolean transpositions)Constructor for enumeration of all terms from specified  readerwhich share a prefix of
 lengthprefixLengthwithtermand which have at mostmaxEditsedits. | 
| Modifier and Type | Method and Description | 
|---|---|
| AttributeSource | AttributeSource. cloneAttributes()Performs a clone of all  AttributeImplinstances returned in a newAttributeSourceinstance. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | AttributeSource. copyTo(AttributeSource target)Copies the contents of this  AttributeSourceto the given targetAttributeSource. | 
| Constructor and Description | 
|---|
| AttributeSource(AttributeSource input)An AttributeSource that uses the same attributes as the supplied one. | 
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