Class BytesRefFSTEnum<T>

Enumerates all input (BytesRef) + output pairs in an FST.

This is a Lucene.NET EXPERIMENTAL API, use at your own risk
Inheritance
System.Object
FSTEnum<T>
BytesRefFSTEnum<T>
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)
System.Object.ToString()
Namespace: Lucene.Net.Util.Fst
Assembly: Lucene.Net.dll
Syntax
public sealed class BytesRefFSTEnum<T> : FSTEnum<T>
Type Parameters
Name Description
T

Constructors

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BytesRefFSTEnum(FST<T>)

doFloor controls the behavior of advance: if it's true doFloor is true, advance positions to the biggest term before target.

Declaration
public BytesRefFSTEnum(FST<T> fst)
Parameters
Type Name Description
FST<T> fst

Properties

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Current

Declaration
public BytesRefFSTEnum.InputOutput<T> Current { get; }
Property Value
Type Description
BytesRefFSTEnum.InputOutput<T>
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CurrentLabel

Declaration
protected override int CurrentLabel { get; set; }
Property Value
Type Description
System.Int32
Overrides
Lucene.Net.Util.Fst.FSTEnum<T>.CurrentLabel
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TargetLabel

Declaration
protected override int TargetLabel { get; }
Property Value
Type Description
System.Int32
Overrides
Lucene.Net.Util.Fst.FSTEnum<T>.TargetLabel

Methods

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Grow()

Declaration
protected override void Grow()
Overrides
Lucene.Net.Util.Fst.FSTEnum<T>.Grow()
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MoveNext()

Declaration
public bool MoveNext()
Returns
Type Description
System.Boolean
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SeekCeil(BytesRef)

Seeks to smallest term that's >= target.

Declaration
public BytesRefFSTEnum.InputOutput<T> SeekCeil(BytesRef target)
Parameters
Type Name Description
BytesRef target
Returns
Type Description
BytesRefFSTEnum.InputOutput<T>
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SeekExact(BytesRef)

Seeks to exactly this term, returning null if the term doesn't exist. This is faster than using SeekFloor(BytesRef) or SeekCeil(BytesRef) because it short-circuits as soon the match is not found.

Declaration
public BytesRefFSTEnum.InputOutput<T> SeekExact(BytesRef target)
Parameters
Type Name Description
BytesRef target
Returns
Type Description
BytesRefFSTEnum.InputOutput<T>
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SeekFloor(BytesRef)

Seeks to biggest term that's <= target.

Declaration
public BytesRefFSTEnum.InputOutput<T> SeekFloor(BytesRef target)
Parameters
Type Name Description
BytesRef target
Returns
Type Description
BytesRefFSTEnum.InputOutput<T>