org.apache.lucene.search

Class QueryUtils.FCInvisibleMultiReader

java.lang.Object

org.apache.lucene.index.IndexReader

org.apache.lucene.index.CompositeReader

org.apache.lucene.index.BaseCompositeReader<IndexReader>

org.apache.lucene.index.MultiReader

org.apache.lucene.search.QueryUtils.FCInvisibleMultiReader

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

QueryUtils

public static class QueryUtils.FCInvisibleMultiReader
extends MultiReader

This is a MultiReader that can be used for randomly wrapping other readers without creating FieldCache insanity. The trick is to use an opaque/fake cache key.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.index.IndexReader

IndexReader.ReaderClosedListener

Constructor Summary

Constructors

Constructor and Description
QueryUtils.FCInvisibleMultiReader(IndexReader... readers)

Method Summary

Methods

Modifier and Type	Method and Description
Object	getCombinedCoreAndDeletesKey()
Object	getCoreCacheKey()

Methods inherited from class org.apache.lucene.index.MultiReader

doClose

Methods inherited from class org.apache.lucene.index.BaseCompositeReader

docFreq, document, getDocCount, getSequentialSubReaders, getSumDocFreq, getSumTotalTermFreq, getTermVectors, maxDoc, numDocs, readerBase, readerIndex, totalTermFreq

Methods inherited from class org.apache.lucene.index.CompositeReader

getContext, toString

Methods inherited from class org.apache.lucene.index.IndexReader

addReaderClosedListener, close, decRef, document, document, ensureOpen, equals, getRefCount, getTermVector, hasDeletions, hashCode, incRef, leaves, numDeletedDocs, registerParentReader, removeReaderClosedListener, tryIncRef

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryUtils.FCInvisibleMultiReader

public QueryUtils.FCInvisibleMultiReader(IndexReader... readers)
                                  throws IOException

Throws:

IOException

Method Detail

getCoreCacheKey

public Object getCoreCacheKey()

Overrides:

getCoreCacheKey in class IndexReader

getCombinedCoreAndDeletesKey

public Object getCombinedCoreAndDeletesKey()

Overrides:

getCombinedCoreAndDeletesKey in class IndexReader