Class NoMergePolicy

A MergePolicy which never returns merges to execute (hence it's name). It is also a singleton and can be accessed through NO_COMPOUND_FILES if you want to indicate the index does not use compound files, or through COMPOUND_FILES otherwise. Use it if you want to prevent an IndexWriter from ever executing merges, without going through the hassle of tweaking a merge policy's settings to achieve that, such as changing its merge factor.

Inheritance
System.Object
MergePolicy
NoMergePolicy
Implements
System.IDisposable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Index
Assembly: Lucene.Net.dll
Syntax
public sealed class NoMergePolicy : MergePolicy, IDisposable

Fields

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COMPOUND_FILES

A singleton NoMergePolicy which indicates the index uses compound files.

Declaration
public static readonly MergePolicy COMPOUND_FILES
Field Value
Type Description
MergePolicy
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NO_COMPOUND_FILES

A singleton NoMergePolicy which indicates the index does not use compound files.

Declaration
public static readonly MergePolicy NO_COMPOUND_FILES
Field Value
Type Description
MergePolicy

Methods

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Dispose(Boolean)

Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing
Overrides
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FindForcedDeletesMerges(SegmentInfos)

Declaration
public override MergePolicy.MergeSpecification FindForcedDeletesMerges(SegmentInfos segmentInfos)
Parameters
Type Name Description
SegmentInfos segmentInfos
Returns
Type Description
MergePolicy.MergeSpecification
Overrides
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FindForcedMerges(SegmentInfos, Int32, IDictionary<SegmentCommitInfo, Boolean>)

Declaration
public override MergePolicy.MergeSpecification FindForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, IDictionary<SegmentCommitInfo, bool> segmentsToMerge)
Parameters
Type Name Description
SegmentInfos segmentInfos
System.Int32 maxSegmentCount
System.Collections.Generic.IDictionary<SegmentCommitInfo, System.Boolean> segmentsToMerge
Returns
Type Description
MergePolicy.MergeSpecification
Overrides
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FindMerges(MergeTrigger, SegmentInfos)

Declaration
public override MergePolicy.MergeSpecification FindMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos)
Parameters
Type Name Description
MergeTrigger mergeTrigger
SegmentInfos segmentInfos
Returns
Type Description
MergePolicy.MergeSpecification
Overrides
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SetIndexWriter(IndexWriter)

Declaration
public override void SetIndexWriter(IndexWriter writer)
Parameters
Type Name Description
IndexWriter writer
Overrides
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Size(SegmentCommitInfo)

Declaration
protected override long Size(SegmentCommitInfo info)
Parameters
Type Name Description
SegmentCommitInfo info
Returns
Type Description
System.Int64
Overrides
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ToString()

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()
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UseCompoundFile(SegmentInfos, SegmentCommitInfo)

Declaration
public override bool UseCompoundFile(SegmentInfos segments, SegmentCommitInfo newSegment)
Parameters
Type Name Description
SegmentInfos segments
SegmentCommitInfo newSegment
Returns
Type Description
System.Boolean
Overrides

Implements

System.IDisposable