org.apache.lucene.sandbox.queries.regex
Class RegexQuery

java.lang.Object
  extended by org.apache.lucene.search.Query
      extended by org.apache.lucene.search.MultiTermQuery
          extended by org.apache.lucene.sandbox.queries.regex.RegexQuery
All Implemented Interfaces:
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.

NOTE: You may wish to consider using the regex query support in RegexpQuery instead, as it has better performance.

See Also:
RegexTermsEnum

Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.lucene.search.MultiTermQuery
MultiTermQuery.ConstantScoreAutoRewrite, MultiTermQuery.RewriteMethod, MultiTermQuery.TopTermsBoostOnlyBooleanQueryRewrite, MultiTermQuery.TopTermsScoringBooleanQueryRewrite
 
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, field, rewriteMethod, SCORING_BOOLEAN_QUERY_REWRITE
 
Constructor Summary
RegexQuery(Term term)
          Constructs a query for terms matching term.
 
Method Summary
 boolean equals(Object obj)
           
 RegexCapabilities getRegexImplementation()
          Returns the implementation used by this instance.
 Term getTerm()
           
protected  FilteredTermsEnum getTermsEnum(Terms terms, AttributeSource atts)
           
 int hashCode()
           
 void setRegexImplementation(RegexCapabilities impl)
          Defines which RegexCapabilities implementation is used by this instance.
 String toString(String field)
           
 
Methods inherited from class org.apache.lucene.search.MultiTermQuery
getField, getRewriteMethod, getTermsEnum, rewrite, setRewriteMethod
 
Methods inherited from class org.apache.lucene.search.Query
clone, createWeight, extractTerms, getBoost, setBoost, toString
 
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

getTerm

public Term getTerm()

setRegexImplementation

public void setRegexImplementation(RegexCapabilities impl)
Description copied from interface: RegexQueryCapable
Defines which RegexCapabilities implementation is used by this instance.

Specified by:
setRegexImplementation in interface RegexQueryCapable
See Also:
RegexQueryCapable.getRegexImplementation()

getRegexImplementation

public RegexCapabilities getRegexImplementation()
Description copied from interface: RegexQueryCapable
Returns the implementation used by this instance.

Specified by:
getRegexImplementation in interface RegexQueryCapable
See Also:
RegexQueryCapable.setRegexImplementation(RegexCapabilities)

getTermsEnum

protected FilteredTermsEnum getTermsEnum(Terms terms,
                                         AttributeSource atts)
                                  throws IOException
Specified by:
getTermsEnum in class MultiTermQuery
Throws:
IOException

toString

public String toString(String field)
Specified by:
toString in class Query

hashCode

public int hashCode()
Overrides:
hashCode in class MultiTermQuery

equals

public boolean equals(Object obj)
Overrides:
equals in class MultiTermQuery


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