org.apache.lucene.search.join
Class FixedBitSetCachingWrapperFilter

java.lang.Object
  org.apache.lucene.search.Filter
      org.apache.lucene.search.CachingWrapperFilter
          org.apache.lucene.search.join.FixedBitSetCachingWrapperFilter

public final class FixedBitSetCachingWrapperFilter
extends CachingWrapperFilter

A CachingWrapperFilter that caches sets using a FixedBitSet, as required for joins.

Field Summary

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

EMPTY_DOCIDSET

Constructor Summary

FixedBitSetCachingWrapperFilter(Filter filter)
Sole constructor, see CachingWrapperFilter.CachingWrapperFilter(Filter).

Method Summary

protected DocIdSet

docIdSetToCache(DocIdSet docIdSet, AtomicReader reader)

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

cacheImpl, equals, getDocIdSet, getFilter, hashCode, sizeInBytes, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FixedBitSetCachingWrapperFilter

public FixedBitSetCachingWrapperFilter(Filter filter)

Sole constructor, see CachingWrapperFilter.CachingWrapperFilter(Filter).

Method Detail

docIdSetToCache

protected DocIdSet docIdSetToCache(DocIdSet docIdSet,
                                   AtomicReader reader)
                            throws IOException

Overrides:

docIdSetToCache in class CachingWrapperFilter

Throws:

IOException