Package org.apache.lucene.tests.index
Class MergingDirectoryReaderWrapper
- java.lang.Object
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- org.apache.lucene.index.IndexReader
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- org.apache.lucene.index.CompositeReader
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- org.apache.lucene.index.BaseCompositeReader<LeafReader>
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- org.apache.lucene.index.DirectoryReader
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- org.apache.lucene.index.FilterDirectoryReader
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- org.apache.lucene.tests.index.MergingDirectoryReaderWrapper
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- All Implemented Interfaces:
Closeable
,AutoCloseable
public final class MergingDirectoryReaderWrapper extends FilterDirectoryReader
DirectoryReader
wrapper that uses the merge instances of the wrappedCodecReader
s. NOTE: This class will fail to work if the leaves of the wrapped directory are not codec readers.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.index.FilterDirectoryReader
FilterDirectoryReader.DelegatingCacheHelper, FilterDirectoryReader.SubReaderWrapper
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Nested classes/interfaces inherited from class org.apache.lucene.index.IndexReader
IndexReader.CacheHelper, IndexReader.CacheKey, IndexReader.ClosedListener
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Field Summary
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Fields inherited from class org.apache.lucene.index.FilterDirectoryReader
in
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Fields inherited from class org.apache.lucene.index.DirectoryReader
directory
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Fields inherited from class org.apache.lucene.index.BaseCompositeReader
subReadersSorter
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Constructor Summary
Constructors Constructor Description MergingDirectoryReaderWrapper(DirectoryReader in)
Wrap the given directory.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected DirectoryReader
doWrapDirectoryReader(DirectoryReader in)
IndexReader.CacheHelper
getReaderCacheHelper()
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Methods inherited from class org.apache.lucene.index.FilterDirectoryReader
doClose, doOpenIfChanged, doOpenIfChanged, doOpenIfChanged, getDelegate, getIndexCommit, getVersion, isCurrent, unwrap
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Methods inherited from class org.apache.lucene.index.DirectoryReader
directory, indexExists, listCommits, open, open, open, open, open, open, openIfChanged, openIfChanged, openIfChanged, openIfChanged
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Methods inherited from class org.apache.lucene.index.BaseCompositeReader
docFreq, document, getDocCount, getSequentialSubReaders, getSumDocFreq, getSumTotalTermFreq, getTermVectors, maxDoc, numDocs, readerBase, readerIndex, storedFields, termVectors, totalTermFreq
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Methods inherited from class org.apache.lucene.index.CompositeReader
getContext, toString
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Methods inherited from class org.apache.lucene.index.IndexReader
close, decRef, document, document, ensureOpen, equals, getRefCount, getTermVector, hasDeletions, hashCode, incRef, leaves, notifyReaderClosedListeners, numDeletedDocs, registerParentReader, tryIncRef
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Constructor Detail
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MergingDirectoryReaderWrapper
public MergingDirectoryReaderWrapper(DirectoryReader in) throws IOException
Wrap the given directory.- Throws:
IOException
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Method Detail
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doWrapDirectoryReader
protected DirectoryReader doWrapDirectoryReader(DirectoryReader in) throws IOException
- Specified by:
doWrapDirectoryReader
in classFilterDirectoryReader
- Throws:
IOException
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getReaderCacheHelper
public IndexReader.CacheHelper getReaderCacheHelper()
- Specified by:
getReaderCacheHelper
in classIndexReader
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