Class SparqlVariable

Class of Sparql Variables.

Inheritance
object
SparqlVariable
Inherited Members
Namespace: VDS.RDF.Query
Assembly: dotNetRdf.dll
Syntax
public class SparqlVariable

Constructors

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SparqlVariable(string)

Creates a new Sparql Variable.

Declaration
public SparqlVariable(string name)
Parameters
Type Name Description
string name

Variable Name (with leading ?/$ removed).
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SparqlVariable(string, bool)

Creates a new Sparql Variable.

Declaration
public SparqlVariable(string name, bool isResultVar)
Parameters
Type Name Description
string name

Variable Name.
bool isResultVar

Does this Variable appear in the Result Set?.
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SparqlVariable(string, ISparqlAggregate)

Creates a new Sparql Variable which is an Aggregate.

Declaration
public SparqlVariable(string name, ISparqlAggregate aggregate)
Parameters
Type Name Description
string name

Variable Name (with leading ?/$ removed).
ISparqlAggregate aggregate

Aggregate Function.
Remarks

All Aggregate Variables are automatically considered as Result Variables.

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SparqlVariable(string, ISparqlExpression)

Creates a new Sparql Variable which is a Projection Expression.

Declaration
public SparqlVariable(string name, ISparqlExpression expr)
Parameters
Type Name Description
string name

Variable Name (with leading ?/$ removed).
ISparqlExpression expr

Projection Expression.

Properties

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Aggregate

Gets the Aggregate Function for this Variable.

Declaration
public ISparqlAggregate Aggregate { get; }
Property Value
Type Description
ISparqlAggregate
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IsAggregate

Gets whether the Variable is an Aggregate.

Declaration
public bool IsAggregate { get; }
Property Value
Type Description
bool
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IsProjection

Gets whether the Variable is a Projection Expression.

Declaration
public bool IsProjection { get; }
Property Value
Type Description
bool
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IsResultVariable

Gets whether the Variable appears in the Result Set.

Declaration
public bool IsResultVariable { get; }
Property Value
Type Description
bool
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Name

Variable Name.

Declaration
public string Name { get; }
Property Value
Type Description
string
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Projection

Gets the Projection Expression for this Variable.

Declaration
public ISparqlExpression Projection { get; }
Property Value
Type Description
ISparqlExpression

Methods

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ToString()

Get the String representation of the Variable.

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

Extension Methods