|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
ObjectOrNearSpans
class OrNearSpans
Calculates spans that match several queries "near" each other. In-order matches score higher than out-of-order matches.
Nested Class Summary | |
---|---|
private class |
OrNearSpans.SpansCell
|
Field Summary | |
---|---|
private static Comparator |
cellComparator
|
private ArrayList |
cells
|
private boolean |
firstTime
|
private int |
matchDist
|
private int |
matchEndCell
|
private int |
matchNumCells
|
private float |
matchTotalScore
|
private boolean |
more
|
private int |
nClauses
|
private boolean |
penalizeOutOfOrder
|
private SpanOrNearQuery |
query
|
private Similarity |
similarity
|
private int |
slop
|
Constructor Summary | |
---|---|
OrNearSpans(SpanOrNearQuery query,
IndexReader reader,
Searcher searcher)
|
Method Summary | |
---|---|
private boolean |
advance(int skipTo)
|
int |
doc()
Returns the document number of the current match. |
int |
end()
Returns the end position of the current match. |
Explanation |
explain()
Returns an explanation of how the score was arrived at. |
private boolean |
initCells(int skipTo)
|
boolean |
next()
Move to the next match, returning true iff any such exists. |
private boolean |
nextCell()
|
float |
score()
Returns the score of the current match. |
boolean |
skipTo(int target)
Skips to the first match beyond the current, whose document number is greater than or equal to target. |
int |
start()
Returns the start position of the current match. |
String |
toString()
|
Methods inherited from class Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
private SpanOrNearQuery query
private Similarity similarity
private int nClauses
private ArrayList cells
private int slop
private boolean penalizeOutOfOrder
private boolean more
private boolean firstTime
private int matchDist
private float matchTotalScore
private int matchEndCell
private int matchNumCells
private static final Comparator cellComparator
Constructor Detail |
---|
public OrNearSpans(SpanOrNearQuery query, IndexReader reader, Searcher searcher) throws IOException
IOException
Method Detail |
---|
public boolean next() throws IOException
Spans
next
in interface Spans
IOException
private boolean initCells(int skipTo) throws IOException
IOException
private boolean advance(int skipTo) throws IOException
IOException
private boolean nextCell()
public boolean skipTo(int target) throws IOException
Spans
Returns true iff there is such a match.
Behaves as if written:
boolean skipTo(int target) { do { if (!next()) return false; } while (target > doc()); return true; }Most implementations are considerably more efficient than that.
skipTo
in interface Spans
IOException
public int doc()
Spans
doc
in interface Spans
public int start()
Spans
start
in interface Spans
public int end()
Spans
end
in interface Spans
public float score()
Spans
score
in interface Spans
public String toString()
toString
in class Object
public Explanation explain() throws IOException
Spans
explain
in interface Spans
IOException
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |