Class PathQueryNode

A PathQueryNode is used to store queries like /company/USA/California /product/shoes/brown. QueryText are objects that contain the text, begin position and end position in the query.

Example how the text parser creates these objects: 

IList<PathQueryNode.QueryText> values = new List<PathQueryNode.QueryText>();
    values.Add(new PathQueryNode.QueryText("company", 1, 7));
    values.Add(new PathQueryNode.QueryText("USA", 9, 12));
    values.Add(new PathQueryNode.QueryText("California", 14, 23));
    QueryNode q = new PathQueryNode(values);
Inheritance
object
QueryNode
PathQueryNode
Implements
Inherited Members
Namespace: Lucene.Net.QueryParsers.Flexible.Core.Nodes
Assembly: Lucene.Net.QueryParser.dll
Syntax
public class PathQueryNode : QueryNode, IQueryNode

Constructors

PathQueryNode(IList<QueryText>)

A PathQueryNode is used to store queries like /company/USA/California /product/shoes/brown. QueryText are objects that contain the text, begin position and end position in the query.

Example how the text parser creates these objects: 

IList<PathQueryNode.QueryText> values = new List<PathQueryNode.QueryText>();
    values.Add(new PathQueryNode.QueryText("company", 1, 7));
    values.Add(new PathQueryNode.QueryText("USA", 9, 12));
    values.Add(new PathQueryNode.QueryText("California", 14, 23));
    QueryNode q = new PathQueryNode(values);
Declaration
public PathQueryNode(IList<PathQueryNode.QueryText> pathElements)
Parameters
Type Name Description
IList<PathQueryNode.QueryText> pathElements

List of QueryText objects

Properties

PathElements

Gets or Sets the a List with all QueryText elements

Declaration
public virtual IList<PathQueryNode.QueryText> PathElements { get; set; }
Property Value
Type Description
IList<PathQueryNode.QueryText>

QueryText List size

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

GetFirstPathElement()

Returns the string value of a specific QueryText element

Declaration
public virtual string GetFirstPathElement()
Returns
Type Description
string

The string for a specific QueryText element

GetPathElement(int)

Returns the a specific QueryText element

Declaration
public virtual PathQueryNode.QueryText GetPathElement(int index)
Parameters
Type Name Description
int index
Returns
Type Description
PathQueryNode.QueryText

QueryText List size

GetPathElements(int)

Returns a List QueryText element from position startIndex

Declaration
public virtual IList<PathQueryNode.QueryText> GetPathElements(int startIndex)
Parameters
Type Name Description
int startIndex
Returns
Type Description
IList<PathQueryNode.QueryText>

a List QueryText element from position startIndex

ToQueryString(IEscapeQuerySyntax)

convert to a query string understood by the query parser

Declaration
public override string ToQueryString(IEscapeQuerySyntax escaper)
Parameters
Type Name Description
IEscapeQuerySyntax escaper
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