Package org.apache.lucene.queries.intervals

Class CachingMatchesIterator

java.lang.Object

org.apache.lucene.search.FilterMatchesIterator

org.apache.lucene.queries.intervals.CachingMatchesIterator

All Implemented Interfaces:

IntervalMatchesIterator, MatchesIterator

class CachingMatchesIterator
extends FilterMatchesIterator
implements IntervalMatchesIterator

Field Summary

Fields

Modifier and Type	Field	Description
private int	count
private Query[]	matchingQueries
private int[]	posAndOffsets
private boolean	positioned

Fields inherited from class org.apache.lucene.search.FilterMatchesIterator

in

Constructor Summary

Constructors

Constructor	Description
CachingMatchesIterator(IntervalMatchesIterator in)

Method Summary

Modifier and Type	Method	Description
private void	cache()
(package private) int	endOffset(int endPos)
int	gaps()	The number of top-level gaps inside the current match
(package private) MatchesIterator	getSubMatches(int endPos)
boolean	next()	Advance the iterator to the next match position
(package private) int	startOffset(int endPos)
int	width()	The width of the current match

Methods inherited from class org.apache.lucene.search.FilterMatchesIterator

endOffset, endPosition, getQuery, getSubMatches, startOffset, startPosition

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.search.MatchesIterator

endOffset, endPosition, getQuery, getSubMatches, startOffset, startPosition

Field Details

positioned

private boolean positioned

posAndOffsets

private int[] posAndOffsets

matchingQueries

private Query[] matchingQueries

count

private int count

Constructor Details

CachingMatchesIterator

CachingMatchesIterator(IntervalMatchesIterator in)

Method Details

cache

private void cache()
            throws IOException

Throws:

IOException

next

public boolean next()
             throws IOException

Description copied from interface: MatchesIterator

Advance the iterator to the next match position

Specified by:

next in interface MatchesIterator

Overrides:

next in class FilterMatchesIterator

Returns:

true if matches have not been exhausted

Throws:

IOException

startOffset

int startOffset(int endPos)
         throws IOException

Throws:

IOException

endOffset

int endOffset(int endPos)
       throws IOException

Throws:

IOException

getSubMatches

MatchesIterator getSubMatches(int endPos)
                       throws IOException

Throws:

IOException

gaps

public int gaps()

Description copied from interface: IntervalMatchesIterator

The number of top-level gaps inside the current match

Specified by:

gaps in interface IntervalMatchesIterator

See Also:

• IntervalIterator.gaps()

width

public int width()

Description copied from interface: IntervalMatchesIterator

The width of the current match

Specified by:

width in interface IntervalMatchesIterator

See Also:

• IntervalIterator.width()