org.apache.lucene.search.regex
Class RegexQuery

java.lang.Object
  org.apache.lucene.search.Query
      org.apache.lucene.search.MultiTermQuery
          org.apache.lucene.search.regex.RegexQuery

All Implemented Interfaces:

Serializable, Cloneable, RegexQueryCapable

public class RegexQuery
extends MultiTermQuery
implements RegexQueryCapable

Implements the regular expression term search query. The expressions supported depend on the regular expression implementation used by way of the RegexCapabilities interface.

See Also:

RegexTermEnum, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.MultiTermQuery

MultiTermQuery.ConstantScoreAutoRewrite, MultiTermQuery.RewriteMethod

Field Summary

Fields inherited from class org.apache.lucene.search.MultiTermQuery

CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE, CONSTANT_SCORE_FILTER_REWRITE, rewriteMethod, SCORING_BOOLEAN_QUERY_REWRITE, term

Constructor Summary

RegexQuery(Term term)
Constructs a query for terms matching term.

Method Summary

boolean	equals(Object o)
protected FilteredTermEnum	getEnum(IndexReader reader) Construct the enumeration to be used, expanding the pattern term.
RegexCapabilities	getRegexImplementation()
int	hashCode()
void	setRegexImplementation(RegexCapabilities impl) Defines which RegexCapabilities implementation is used by this instance.

Methods inherited from class org.apache.lucene.search.MultiTermQuery

clearTotalNumberOfTerms, getRewriteMethod, getTerm, getTotalNumberOfTerms, incTotalNumberOfTerms, rewrite, setRewriteMethod, toString

Methods inherited from class org.apache.lucene.search.Query

clone, combine, createWeight, extractTerms, getBoost, getSimilarity, mergeBooleanQueries, setBoost, toString, weight

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RegexQuery

public RegexQuery(Term term)

Constructs a query for terms matching term.

Method Detail

setRegexImplementation

public void setRegexImplementation(RegexCapabilities impl)

Defines which RegexCapabilities implementation is used by this instance.

Specified by:

setRegexImplementation in interface RegexQueryCapable

Parameters:

impl -

getRegexImplementation

public RegexCapabilities getRegexImplementation()

Specified by:

getRegexImplementation in interface RegexQueryCapable

Returns:

The implementation used by this instance.

getEnum

protected FilteredTermEnum getEnum(IndexReader reader)
                            throws IOException

Description copied from class: MultiTermQuery

Construct the enumeration to be used, expanding the pattern term.

Specified by:

getEnum in class MultiTermQuery

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class MultiTermQuery

hashCode

public int hashCode()

Overrides:

hashCode in class MultiTermQuery