Package com.yahoo.search.predicate.index

Class BoundsPostingList

java.lang.Object

com.yahoo.search.predicate.index.MultiIntervalPostingList

com.yahoo.search.predicate.index.BoundsPostingList

All Implemented Interfaces:

PostingList

public class BoundsPostingList
extends MultiIntervalPostingList

Wraps a posting stream of IntervalWithBounds objects (for collapsed fixed tree leaf nodes) into a PostingList.

Author:

Magnar Nedland, bjorncs

Constructor Summary

Constructors

Constructor	Description
BoundsPostingList(PredicateIntervalStore store, int[] docIds, int[] dataRefs, long subquery, int valueDiff)

Method Summary

Modifier and Type	Method	Description
int	getInterval()
boolean	nextInterval()	Fetches the next interval for the current document.
protected boolean	prepareIntervals(int dataRef)

Methods inherited from class com.yahoo.search.predicate.index.MultiIntervalPostingList

getDocId, getDocIds, getSubquery, nextDocument, prepareIntervals, size

Methods inherited from class java.lang.Object

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

Constructor Detail

BoundsPostingList

public BoundsPostingList(PredicateIntervalStore store,
                         int[] docIds,
                         int[] dataRefs,
                         long subquery,
                         int valueDiff)

Parameters:

valueDiff - Difference from the collapsed leaf node's actual value.

Method Detail

prepareIntervals

protected boolean prepareIntervals(int dataRef)

Specified by:

prepareIntervals in class MultiIntervalPostingList

nextInterval

public boolean nextInterval()

Description copied from interface: PostingList

Fetches the next interval for the current document.

Returns:

True if there was a next interval

getInterval

public int getInterval()

Returns:

The current interval for the current document