org.apache.lucene.bigram

Class BigramSpanWildcardQuery

Object

Query

SpanQuery

SpanTermQuery

SpanWildcardQuery

BigramSpanWildcardQuery

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

XtfSpanWildcardQuery

public class BigramSpanWildcardQuery
extends SpanWildcardQuery

Matches spans containing a wildcard term. Performs extra filtering to make sure bi-grams are not matched.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private Set	stopSet

Constructor Summary

Constructors

Constructor and Description
BigramSpanWildcardQuery(Term term, int termLimit) Construct a SpanWildcardTermQuery matching expanded terms, but limiting the total number of terms matched.

Method Summary

Modifier and Type	Method and Description
void	setStopWords(Set set)
protected boolean	shouldSkipTerm(Term term) Enables derived classes to skip certain terms in the index (e.g. stop words, bi-grams, etc.)

Methods inherited from class SpanWildcardQuery

getSpans, getTermLimit, rewrite, toString

Methods inherited from class SpanTermQuery

getField, getTerm, getTermLength, getTerms

Methods inherited from class SpanQuery

createWeight, getSpanRecording, setSpanRecording

Methods inherited from class Query

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

Methods inherited from class Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

stopSet

private Set stopSet

Constructor Detail

BigramSpanWildcardQuery

public BigramSpanWildcardQuery(Term term,
                               int termLimit)

Construct a SpanWildcardTermQuery matching expanded terms, but limiting the total number of terms matched.

Method Detail

setStopWords

public void setStopWords(Set set)

shouldSkipTerm

protected boolean shouldSkipTerm(Term term)

Description copied from class: SpanWildcardQuery

Enables derived classes to skip certain terms in the index (e.g. stop words, bi-grams, etc.) Default implementation doesn't skip any terms.

Overrides:

shouldSkipTerm in class SpanWildcardQuery