Class ModifierQueryNode

A ModifierQueryNode indicates the modifier value (+,-,?,NONE) for each term on the query string. For example "+t1 -t2 t3" will have a tree of:

<BooleanQueryNode> <ModifierQueryNode modifier="MOD_REQ"> <t1/> </ModifierQueryNode> <ModifierQueryNode modifier="MOD_NOT"> <t2/> </ModifierQueryNode> <t3/> </BooleanQueryNode>
Inheritance
object
QueryNode
ModifierQueryNode
BooleanModifierNode
Implements
Inherited Members
Namespace: Lucene.Net.QueryParsers.Flexible.Core.Nodes
Assembly: Lucene.Net.QueryParser.dll
Syntax
public class ModifierQueryNode : QueryNode, IQueryNode

Constructors

ModifierQueryNode(IQueryNode, Modifier)

Used to store the modifier value on the original query string

Declaration
public ModifierQueryNode(IQueryNode query, Modifier mod)
Parameters
Type Name Description
IQueryNode query

QueryNode subtree
Modifier mod

Modifier Value

Properties

Modifier

A ModifierQueryNode indicates the modifier value (+,-,?,NONE) for each term on the query string. For example "+t1 -t2 t3" will have a tree of:

<BooleanQueryNode> <ModifierQueryNode modifier="MOD_REQ"> <t1/> </ModifierQueryNode> <ModifierQueryNode modifier="MOD_NOT"> <t2/> </ModifierQueryNode> <t3/> </BooleanQueryNode>
Declaration
public virtual Modifier Modifier { get; }
Property Value
Type Description
Modifier

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

GetChild()

A ModifierQueryNode indicates the modifier value (+,-,?,NONE) for each term on the query string. For example "+t1 -t2 t3" will have a tree of:

<BooleanQueryNode> <ModifierQueryNode modifier="MOD_REQ"> <t1/> </ModifierQueryNode> <ModifierQueryNode modifier="MOD_NOT"> <t2/> </ModifierQueryNode> <t3/> </BooleanQueryNode>
Declaration
public virtual IQueryNode GetChild()
Returns
Type Description
IQueryNode

SetChild(IQueryNode)

A ModifierQueryNode indicates the modifier value (+,-,?,NONE) for each term on the query string. For example "+t1 -t2 t3" will have a tree of:

<BooleanQueryNode> <ModifierQueryNode modifier="MOD_REQ"> <t1/> </ModifierQueryNode> <ModifierQueryNode modifier="MOD_NOT"> <t2/> </ModifierQueryNode> <t3/> </BooleanQueryNode>
Declaration
public virtual void SetChild(IQueryNode child)
Parameters
Type Name Description
IQueryNode child

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