public class MergingCodecReader extends FilterCodecReader
CodecReader
wrapper that performs all reads using the merging
instance of the index formats.IndexReader.CacheHelper, IndexReader.CacheKey, IndexReader.ClosedListener
in
Constructor and Description |
---|
MergingCodecReader(CodecReader in)
Wrap the given instance.
|
Modifier and Type | Method and Description |
---|---|
IndexReader.CacheHelper |
getCoreCacheHelper()
Optional method: Return a
IndexReader.CacheHelper that can be used to cache
based on the content of this leaf regardless of deletions. |
StoredFieldsReader |
getFieldsReader()
Expert: retrieve thread-private StoredFieldsReader
|
NormsProducer |
getNormsReader()
Expert: retrieve underlying NormsProducer
|
IndexReader.CacheHelper |
getReaderCacheHelper()
Optional method: Return a
IndexReader.CacheHelper that can be used to cache
based on the content of this reader. |
checkIntegrity, doClose, getChildResources, getDelegate, getDocValuesReader, getFieldInfos, getLiveDocs, getMetaData, getPointsReader, getPostingsReader, getTermVectorsReader, maxDoc, numDocs, ramBytesUsed, unwrap
document, getBinaryDocValues, getNormValues, getNumericDocValues, getPointValues, getSortedDocValues, getSortedNumericDocValues, getSortedSetDocValues, getTermVectors, terms
docFreq, getContext, getDocCount, getSumDocFreq, getSumTotalTermFreq, postings, postings, totalTermFreq
close, decRef, document, document, ensureOpen, equals, getRefCount, getTermVector, hasDeletions, hashCode, incRef, leaves, numDeletedDocs, registerParentReader, tryIncRef
public MergingCodecReader(CodecReader in)
public StoredFieldsReader getFieldsReader()
CodecReader
getFieldsReader
in class FilterCodecReader
public NormsProducer getNormsReader()
CodecReader
getNormsReader
in class FilterCodecReader
public IndexReader.CacheHelper getCoreCacheHelper()
LeafReader
IndexReader.CacheHelper
that can be used to cache
based on the content of this leaf regardless of deletions. Two readers
that have the same data but different sets of deleted documents or doc
values updates may be considered equal. Consider using
IndexReader.getReaderCacheHelper()
if you need deletions or dv updates to be
taken into account.
A return value of null
indicates that this reader is not suited
for caching, which is typically the case for short-lived wrappers that
alter the content of the wrapped leaf reader.
getCoreCacheHelper
in class LeafReader
public IndexReader.CacheHelper getReaderCacheHelper()
IndexReader
IndexReader.CacheHelper
that can be used to cache
based on the content of this reader. Two readers that have different data
or different sets of deleted documents will be considered different.
A return value of null
indicates that this reader is not suited
for caching, which is typically the case for short-lived wrappers that
alter the content of the wrapped reader.
getReaderCacheHelper
in class IndexReader
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