Class BoostQueryNode

A BoostQueryNode boosts the QueryNode tree which is under this node. So, it must only and always have one child.

The boost value may vary from 0.0 to 1.0.

Inheritance
object
QueryNode
BoostQueryNode
Implements
Inherited Members
Namespace: Lucene.Net.QueryParsers.Flexible.Core.Nodes
Assembly: Lucene.Net.QueryParser.dll
Syntax
public class BoostQueryNode : QueryNode, IQueryNode

Constructors

BoostQueryNode(IQueryNode, float)

Constructs a boost node

Declaration
public BoostQueryNode(IQueryNode query, float value)
Parameters
Type Name Description
IQueryNode query

the query to be boosted
float value

the boost value, it may vary from 0.0 to 1.0

Properties

Child

Gets the single child which this node boosts.

Declaration
public virtual IQueryNode Child { get; }
Property Value
Type Description
IQueryNode

Value

Gets the boost value. It may vary from 0.0 to 1.0.

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

Methods

CloneTree()

Recursive clone the IQueryNode tree. The tags are not copied to the new tree when you call the CloneTree() method.

Declaration
public override IQueryNode CloneTree()
Returns
Type Description
IQueryNode

the cloned tree
Overrides

ToQueryString(IEscapeQuerySyntax)

convert to a query string understood by the query parser

Declaration
public override string ToQueryString(IEscapeQuerySyntax escapeSyntaxParser)
Parameters
Type Name Description
IEscapeQuerySyntax escapeSyntaxParser
Returns
Type Description
string
Overrides

ToString()

Every implementation of this class should return pseudo xml like this:

For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>

Declaration
public override string ToString()
Returns
Type Description
string
Overrides
See Also

Implements