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    Class FunctionQuery

    Returns a score for each document based on a ValueSource, often some function of the value of a field.

    Note: This API is experimental and may change in non backward-compatible ways in the future

    Inheritance
    System.Object
    Query
    FunctionQuery
    Inherited Members
    Query.Boost
    Query.ToString()
    Lucene.Net.Search.Query.ExtractTerms(ISet<>)
    Query.Clone()
    Namespace: Lucene.Net.Queries.Function
    Assembly: Lucene.Net.Queries.dll
    Syntax
    public class FunctionQuery : Query

    Constructors

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    FunctionQuery(ValueSource)

    Declaration
    public FunctionQuery(ValueSource func)
    Parameters
    Type Name Description
    ValueSource func

    defines the function to be used for scoring

    Properties

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    ValueSource

    Declaration
    public virtual ValueSource ValueSource { get; }
    Property Value
    Type Description
    ValueSource

    The associated ValueSource

    Methods

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    CreateWeight(IndexSearcher)

    Declaration
    public override Weight CreateWeight(IndexSearcher searcher)
    Parameters
    Type Name Description
    IndexSearcher searcher
    Returns
    Type Description
    Weight
    Overrides
    Query.CreateWeight(IndexSearcher)
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    Equals(Object)

    Returns true if o is equal to this.

    Declaration
    public override bool Equals(object o)
    Parameters
    Type Name Description
    System.Object o
    Returns
    Type Description
    System.Boolean
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    ExtractTerms(ISet<Term>)

    Declaration
    public override void ExtractTerms(ISet<Term> terms)
    Parameters
    Type Name Description
    ISet<Term> terms
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    GetHashCode()

    Returns a hash code value for this object.

    Declaration
    public override int GetHashCode()
    Returns
    Type Description
    System.Int32
    Overrides
    Query.GetHashCode()
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    Rewrite(IndexReader)

    Declaration
    public override Query Rewrite(IndexReader reader)
    Parameters
    Type Name Description
    IndexReader reader
    Returns
    Type Description
    Query
    Overrides
    Query.Rewrite(IndexReader)
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    ToString(String)

    Prints a user-readable version of this query.

    Declaration
    public override string ToString(string field)
    Parameters
    Type Name Description
    System.String field
    Returns
    Type Description
    System.String
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