Module org.elasticsearch.server
Class FieldUsageTrackingDirectoryReader
java.lang.Object
org.apache.lucene.index.IndexReader
org.apache.lucene.index.CompositeReader
org.apache.lucene.index.BaseCompositeReader<org.apache.lucene.index.LeafReader>
org.apache.lucene.index.DirectoryReader
org.apache.lucene.index.FilterDirectoryReader
org.elasticsearch.search.internal.FieldUsageTrackingDirectoryReader
- All Implemented Interfaces:
Closeable,AutoCloseable
public class FieldUsageTrackingDirectoryReader
extends org.apache.lucene.index.FilterDirectoryReader
Wraps a DirectoryReader and tracks all access to fields, notifying a
FieldUsageTrackingDirectoryReader.FieldUsageNotifier upon access.-
Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic interfaceNested classes/interfaces inherited from class org.apache.lucene.index.FilterDirectoryReader
org.apache.lucene.index.FilterDirectoryReader.DelegatingCacheHelper, org.apache.lucene.index.FilterDirectoryReader.SubReaderWrapperNested classes/interfaces inherited from class org.apache.lucene.index.IndexReader
org.apache.lucene.index.IndexReader.CacheHelper, org.apache.lucene.index.IndexReader.CacheKey, org.apache.lucene.index.IndexReader.ClosedListener -
Field Summary
Fields inherited from class org.apache.lucene.index.FilterDirectoryReader
inFields inherited from class org.apache.lucene.index.DirectoryReader
directoryFields inherited from class org.apache.lucene.index.BaseCompositeReader
subReadersSorter -
Constructor Summary
ConstructorsConstructorDescriptionFieldUsageTrackingDirectoryReader(org.apache.lucene.index.DirectoryReader in, FieldUsageTrackingDirectoryReader.FieldUsageNotifier notifier) -
Method Summary
Modifier and TypeMethodDescriptionprotected org.apache.lucene.index.DirectoryReaderdoWrapDirectoryReader(org.apache.lucene.index.DirectoryReader in) org.apache.lucene.index.IndexReader.CacheHelperMethods inherited from class org.apache.lucene.index.FilterDirectoryReader
doClose, doOpenIfChanged, doOpenIfChanged, doOpenIfChanged, getDelegate, getIndexCommit, getVersion, isCurrent, unwrapMethods inherited from class org.apache.lucene.index.DirectoryReader
directory, indexExists, listCommits, open, open, open, open, open, open, openIfChanged, openIfChanged, openIfChanged, openIfChangedMethods inherited from class org.apache.lucene.index.BaseCompositeReader
docFreq, document, getDocCount, getSequentialSubReaders, getSumDocFreq, getSumTotalTermFreq, getTermVectors, maxDoc, numDocs, readerBase, readerIndex, storedFields, termVectors, totalTermFreqMethods inherited from class org.apache.lucene.index.CompositeReader
getContext, toStringMethods 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 Details
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FieldUsageTrackingDirectoryReader
public FieldUsageTrackingDirectoryReader(org.apache.lucene.index.DirectoryReader in, FieldUsageTrackingDirectoryReader.FieldUsageNotifier notifier) throws IOException - Throws:
IOException
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Method Details
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doWrapDirectoryReader
protected org.apache.lucene.index.DirectoryReader doWrapDirectoryReader(org.apache.lucene.index.DirectoryReader in) throws IOException - Specified by:
doWrapDirectoryReaderin classorg.apache.lucene.index.FilterDirectoryReader- Throws:
IOException
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getReaderCacheHelper
public org.apache.lucene.index.IndexReader.CacheHelper getReaderCacheHelper()- Specified by:
getReaderCacheHelperin classorg.apache.lucene.index.IndexReader
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