Class DirectoryReader

An IndexReader which reads indexes with multiple segments.

Inheritance
System.Object
IndexReader
DirectoryReader
ReadOnlyDirectoryReader
Inherited Members
Namespace:
Assembly: Lucene.Net.NetCore.dll
Syntax
public class DirectoryReader : IndexReader, IDisposable

Fields

Name Description
internalDirectory
readOnly

Properties

Name Description
CommitUserData
HasDeletions
IndexCommit

Expert: return the IndexCommit that this reader has opened.

WARNING: this API is new and experimental and may suddenly change.
MaxDoc
TermInfosIndexDivisor
Version

Version number when this IndexReader was opened.

Methods

Name Description
AcquireWriteLock()

Tries to acquire the WriteLock on this directory. this method is only valid if this IndexReader is directory owner.
Clone()
Clone(Boolean)
Directory()

Returns the directory this index resides in.

DocFreq(Term)
DoClose()
DoCommit(IDictionary<String, String>)

Commit changes resulting from delete, undeleteAll, or setNorm operations

If an exception is hit, then either no changes or all changes will have been committed to the index (transactional semantics).
Document(Int32, FieldSelector)
DoDelete(Int32)
DoSetNorm(Int32, String, Byte)
DoUndeleteAll()
GetFieldNames(IndexReader.FieldOption)
GetSequentialSubReaders()
GetTermFreqVector(Int32, TermVectorMapper)
GetTermFreqVector(Int32, String)
GetTermFreqVector(Int32, String, TermVectorMapper)
GetTermFreqVectors(Int32)
HasNorms(String)
IsCurrent()
IsDeleted(Int32)
IsOptimized()

Checks is the index is optimized (if it has a single segment and no deletions)
ListCommits(Directory)
Norms(String)
Norms(String, Byte[], Int32)
NumDocs()
Reopen()
Reopen(IndexCommit)
Reopen(Boolean)
TermDocs()
TermPositions()
Terms()
Terms(Term)