com.browseengine.bobo.facets.filter
Class EmptyFilter

java.lang.Object
  org.apache.lucene.search.Filter
      com.browseengine.bobo.facets.filter.RandomAccessFilter
          com.browseengine.bobo.facets.filter.EmptyFilter

All Implemented Interfaces:

Serializable

public class EmptyFilter
extends RandomAccessFilter

See Also:

Serialized Form

Method Summary

double	getFacetSelectivity(BoboIndexReader reader)
static EmptyFilter	getInstance()
RandomAccessDocIdSet	getRandomAccessDocIdSet(BoboIndexReader reader)

Methods inherited from class com.browseengine.bobo.facets.filter.RandomAccessFilter

getDocIdSet

Methods inherited from class java.lang.Object

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

Method Detail

getFacetSelectivity

public double getFacetSelectivity(BoboIndexReader reader)

Overrides:

getFacetSelectivity in class RandomAccessFilter

getRandomAccessDocIdSet

public RandomAccessDocIdSet getRandomAccessDocIdSet(BoboIndexReader reader)
                                             throws IOException

Specified by:

getRandomAccessDocIdSet in class RandomAccessFilter

Throws:

IOException

getInstance

public static EmptyFilter getInstance()