java.lang.Object
org.apache.lucene.search.DocIdSetIterator
org.apache.lucene.queries.spans.Spans
org.apache.lucene.queries.spans.ConjunctionSpans
org.apache.lucene.queries.spans.ContainSpans
-
Field Summary
FieldsModifier and TypeFieldDescription(package private) Spans
(package private) Spans
(package private) Spans
Fields inherited from class org.apache.lucene.queries.spans.ConjunctionSpans
atFirstInCurrentDoc, conjunction, oneExhaustedInCurrentDoc, subSpans
Fields inherited from class org.apache.lucene.queries.spans.Spans
NO_MORE_POSITIONS
Fields inherited from class org.apache.lucene.search.DocIdSetIterator
NO_MORE_DOCS
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
collect
(SpanCollector collector) Collect postings data from the leaves of the current Spans.int
Returns the end position for the current start position, or -1 whenSpans.nextStartPosition()
was not yet called on the current doc.int
Returns the start position in the current doc, or -1 whenSpans.nextStartPosition()
was not yet called on the current doc.int
width()
Return the width of the match, which is typically used to sloppy freq.Methods inherited from class org.apache.lucene.queries.spans.ConjunctionSpans
advance, asTwoPhaseIterator, cost, docID, getSubSpans, nextDoc, positionsCost, toMatchDoc, twoPhaseCurrentDocMatches
Methods inherited from class org.apache.lucene.queries.spans.Spans
doCurrentSpans, doStartCurrentDoc, nextStartPosition, toString
Methods inherited from class org.apache.lucene.search.DocIdSetIterator
all, empty, range, slowAdvance
-
Field Details
-
Constructor Details
-
ContainSpans
-
-
Method Details
-
startPosition
public int startPosition()Description copied from class:Spans
Returns the start position in the current doc, or -1 whenSpans.nextStartPosition()
was not yet called on the current doc. After the last start/end position at the current doc this returnsSpans.NO_MORE_POSITIONS
.- Specified by:
startPosition
in classSpans
-
endPosition
public int endPosition()Description copied from class:Spans
Returns the end position for the current start position, or -1 whenSpans.nextStartPosition()
was not yet called on the current doc. After the last start/end position at the current doc this returnsSpans.NO_MORE_POSITIONS
.- Specified by:
endPosition
in classSpans
-
width
public int width()Description copied from class:Spans
Return the width of the match, which is typically used to sloppy freq. It is only legal to call this method when the iterator is on a valid doc ID and positioned. The return value must be positive, and lower values means that the match is better. -
collect
Description copied from class:Spans
Collect postings data from the leaves of the current Spans.This method should only be called after
Spans.nextStartPosition()
, and beforeSpans.NO_MORE_POSITIONS
has been reached.- Specified by:
collect
in classSpans
- Parameters:
collector
- a SpanCollector- Throws:
IOException
-