org.apache.lucene.search.spans
Class SpanNotQuery

java.lang.Object
  extended by org.apache.lucene.search.Query
      extended by org.apache.lucene.search.spans.SpanQuery
          extended by org.apache.lucene.search.spans.SpanNotQuery
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable

public class SpanNotQuery
extends SpanQuery

Removes matches which overlap with another SpanQuery.

See Also:
Serialized Form

Constructor Summary
SpanNotQuery(SpanQuery include, SpanQuery exclude)
          Construct a SpanNotQuery matching spans from include which have no overlap with spans from exclude.
 
Method Summary
 SpanQuery getExclude()
          Return the SpanQuery whose matches must not overlap those returned.
 java.lang.String getField()
          Returns the name of the field matched by this query.
 SpanQuery getInclude()
          Return the SpanQuery whose matches are filtered.
 Spans getSpans(IndexReader reader)
          Expert: Returns the matches for this query in an index.
 java.util.Collection getTerms()
          Returns a collection of all terms matched by this query.
 java.lang.String toString(java.lang.String field)
          Prints a query to a string, with field as the default field for terms.
 
Methods inherited from class org.apache.lucene.search.spans.SpanQuery
createWeight
 
Methods inherited from class org.apache.lucene.search.Query
clone, combine, getBoost, getSimilarity, mergeBooleanQueries, rewrite, setBoost, toString, weight
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

SpanNotQuery

public SpanNotQuery(SpanQuery include,
                    SpanQuery exclude)
Construct a SpanNotQuery matching spans from include which have no overlap with spans from exclude.

Method Detail

getInclude

public SpanQuery getInclude()
Return the SpanQuery whose matches are filtered.


getExclude

public SpanQuery getExclude()
Return the SpanQuery whose matches must not overlap those returned.


getField

public java.lang.String getField()
Description copied from class: SpanQuery
Returns the name of the field matched by this query.

Specified by:
getField in class SpanQuery

getTerms

public java.util.Collection getTerms()
Description copied from class: SpanQuery
Returns a collection of all terms matched by this query.

Specified by:
getTerms in class SpanQuery

toString

public java.lang.String toString(java.lang.String field)
Description copied from class: Query
Prints a query to a string, with field as the default field for terms.

The representation used is one that is readable by QueryParser (although, if the query was created by the parser, the printed representation may not be exactly what was parsed).

Specified by:
toString in class Query

getSpans

public Spans getSpans(IndexReader reader)
               throws java.io.IOException
Description copied from class: SpanQuery
Expert: Returns the matches for this query in an index. Used internally to search for spans.

Specified by:
getSpans in class SpanQuery
Throws:
java.io.IOException


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