Gets or Sets the boost for this query clause. Documents matching this clause will (in addition to the normal weightings) have their score multiplied by Boost. The boost is 1.0 by default.

Declaration

public virtual float Boost { get; set; }

Property Value

Type	Description
System.Single

Methods

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Clone()

Returns a clone of this query.

Declaration

public virtual object Clone()

Returns

Type	Description
System.Object

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CreateWeight(IndexSearcher)

Expert: Constructs an appropriate Weight implementation for this query.

Only implemented by primitive queries, which re-write to themselves.

Declaration

public virtual Weight CreateWeight(IndexSearcher searcher)

Parameters

Type	Name	Description
IndexSearcher	searcher

Returns

Type	Description
Weight

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Equals(Object)

Declaration

public override bool Equals(object obj)

Parameters

Type	Name	Description
System.Object	obj

Returns

Type	Description
System.Boolean

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ExtractTerms(ISet<Term>)

Expert: adds all terms occurring in this query to the terms set. Only works if this query is in its rewritten (Rewrite(IndexReader)) form.

Declaration

public virtual void ExtractTerms(ISet<Term> terms)

Parameters

Type	Name	Description
ISet<Term>	terms

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GetHashCode()

Declaration

public override int GetHashCode()

Returns

Type	Description
System.Int32

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Rewrite(IndexReader)

Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritten into a BooleanQuery that consists of TermQuerys.

Declaration

public virtual Query Rewrite(IndexReader reader)

Parameters

Type	Name	Description
IndexReader	reader

Returns

Type	Description
Query

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ToString()

Prints a query to a string.

Declaration

public override string ToString()

Returns

Type	Description
System.String

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ToString(String)

Prints a query to a string, with field assumed to be the default field and omitted.

Declaration

public abstract string ToString(string field)

Parameters

Type	Name	Description
System.String	field

Returns

Type	Description
System.String