## Uses of Class
org.apache.lucene.index.Terms

- Packages that use Terms
  Package | Description
  --- | ---
  org.apache.lucene.codecs.blocktree | BlockTree terms dictionary.
  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.
  org.apache.lucene.util.automaton | Finite-state automaton for regular expressions.

- - ### Uses of Terms in org.apache.lucene.codecs.blocktree

    Subclasses of Terms in org.apache.lucene.codecs.blocktree
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FieldReader` BlockTree's implementation of `Terms`.

    Methods in org.apache.lucene.codecs.blocktree that return Terms
    Modifier and Type | Method and Description
    --- | ---
    `Terms` | BlockTreeTermsReader.`terms(String field)`

  - ### Uses of Terms in org.apache.lucene.index

    Subclasses of Terms in org.apache.lucene.index
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `ExitableDirectoryReader.ExitableTerms` Wrapper class for another Terms implementation that is used by ExitableFields.
    `static class` | `FilterLeafReader.FilterTerms` Base class for filtering `Terms` implementations.
    `class` | `MultiTerms` Exposes flex API, merged from flex API of sub-segments.

    Fields in org.apache.lucene.index declared as Terms
    Modifier and Type | Field and Description
    --- | ---
    `static Terms[]` | Terms.`EMPTY_ARRAY` Zero-length array of `Terms`.
    `protected Terms` | FilterLeafReader.FilterTerms.`in` The underlying Terms instance.

    Methods in org.apache.lucene.index that return Terms
    Modifier and Type | Method and Description
    --- | ---
    `Terms[]` | MultiTerms.`getSubTerms()` Expert: returns the Terms being merged.
    `static Terms` | MultiTerms.`getTerms(IndexReader r, String field)` This method may return null if the field does not exist or if it has no terms.
    `Terms` | IndexReader.`getTermVector(int docID, String field)` Retrieve term vector for this document and field, or null if term vectors were not indexed.
    `Terms` | MultiFields.`terms(String field)`
    `Terms` | FilterLeafReader.`terms(String field)`
    `Terms` | FilterLeafReader.FilterFields.`terms(String field)`
    `Terms` | CodecReader.`terms(String field)`
    `abstract Terms` | Fields.`terms(String field)` Get the `Terms` for this field.
    `Terms` | MappedMultiFields.`terms(String field)`
    `Terms` | ExitableDirectoryReader.ExitableFilterAtomicReader.`terms(String field)`
    `abstract Terms` | LeafReader.`terms(String field)` Returns the `Terms` index for this field, or null if it has none.
    `Terms` | ParallelLeafReader.`terms(String field)`

    Constructors in org.apache.lucene.index with parameters of type Terms
    Constructor and Description
    `ExitableTerms(Terms terms, QueryTimeout queryTimeout)` Constructor
    `FilterTerms(Terms in)` Creates a new FilterTerms
    `MultiTerms(Terms[] subs, ReaderSlice[] subSlices)` Sole constructor.

  - ### Uses of Terms in org.apache.lucene.search

    Methods in org.apache.lucene.search with parameters of type Terms
    Modifier and Type | Method and Description
    --- | ---
    `protected TermsEnum` | MultiTermQuery.RewriteMethod.`getTermsEnum(MultiTermQuery query, Terms terms, AttributeSource atts)` Returns the `MultiTermQuery`s `TermsEnum`
    `protected TermsEnum` | MultiTermQuery.`getTermsEnum(Terms terms)` Convenience method, if no attributes are needed: This simply passes empty attributes and is equal to: `getTermsEnum(terms, new AttributeSource())`
    `protected TermsEnum` | FuzzyQuery.`getTermsEnum(Terms terms, AttributeSource atts)`
    `protected TermsEnum` | AutomatonQuery.`getTermsEnum(Terms terms, AttributeSource atts)`
    `protected abstract TermsEnum` | MultiTermQuery.`getTermsEnum(Terms terms, AttributeSource atts)` Construct the enumeration to be used, expanding the pattern term.

    Constructors in org.apache.lucene.search with parameters of type Terms
    Constructor and Description
    `FuzzyTermsEnum(Terms terms, AttributeSource atts, Term term, int maxEdits, int prefixLength, boolean transpositions)` Constructor for enumeration of all terms from specified `reader` which share a prefix of length `prefixLength` with `term` and which have at most `maxEdits` edits.

  - ### Uses of Terms in org.apache.lucene.util

    Constructors in org.apache.lucene.util with parameters of type Terms
    Constructor and Description
    `DocIdSetBuilder(int maxDoc, Terms terms)` Create a `DocIdSetBuilder` instance that is optimized for accumulating docs that match the given `Terms`.

  - ### Uses of Terms in org.apache.lucene.util.automaton

    Methods in org.apache.lucene.util.automaton with parameters of type Terms
    Modifier and Type | Method and Description
    --- | ---
    `TermsEnum` | CompiledAutomaton.`getTermsEnum(Terms terms)` Return a `TermsEnum` intersecting the provided `Terms` with the terms accepted by this automaton.

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