org.apache.jackrabbit.core.query.lucene.hits
Class HitsIntersection

java.lang.Object
  org.apache.jackrabbit.core.query.lucene.hits.HitsIntersection

All Implemented Interfaces:

Hits

public class HitsIntersection
extends Object
implements Hits

Creates the intersection of two hit sets.

Constructor Summary

HitsIntersection(Hits hits1, Hits hits2)

Method Summary

int	next() Return the doc number of the next hit in the set.
void	set(int doc) Marks the document with doc number doc as a hit.
int	skipTo(int target) Skips to the first match beyond the current whose document number is greater than or equal to the given target.

Methods inherited from class java.lang.Object

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

Constructor Detail

HitsIntersection

public HitsIntersection(Hits hits1,
                        Hits hits2)

Method Detail

set

public void set(int doc)

Marks the document with doc number doc as a hit. Implementations may throw an exception if you call set() after next() or skipTo() has been called.

Specified by:

set in interface Hits

next

public int next()
         throws IOException

Return the doc number of the next hit in the set. Subsequent calls never return the same doc number.

Specified by:

next in interface Hits

Throws:

IOException

skipTo

public int skipTo(int target)
           throws IOException

Skips to the first match beyond the current whose document number is greater than or equal to the given target. Returns -1 if there is no matching document number greater than target.

Specified by:

skipTo in interface Hits

Throws:

IOException