Class TripleFunction

Class representing the SPARQL-Star TRIPLE() function.

Inheritance
System.Object
TripleFunction
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()
Namespace: VDS.RDF.Query.Expressions.Functions.Sparql.Constructor
Assembly: dotNetRdf.dll
Syntax
public class TripleFunction : ISparqlExpression

Constructors

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TripleFunction(ISparqlExpression, ISparqlExpression, ISparqlExpression)

Create a new TRIPLE function expression.

Declaration
public TripleFunction(ISparqlExpression subjectExpression, ISparqlExpression predicateExpression, ISparqlExpression objectExpression)
Parameters
Type Name Description
ISparqlExpression subjectExpression

Subject argument expression.
ISparqlExpression predicateExpression

Predicate argument expression.
ISparqlExpression objectExpression

Object argument expression.

Properties

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Arguments

Gets the Arguments of this Expression.

Declaration
public IEnumerable<ISparqlExpression> Arguments { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<T><ISparqlExpression>
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CanParallelise

Gets whether an expression can safely be evaluated in parallel.

Declaration
public bool CanParallelise { get; }
Property Value
Type Description
System.Boolean
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Functor

Gets the Function Name or Operator Symbol - function names may be URIs of Keywords or the empty string in the case of primary expressions.

Declaration
public string Functor { get; }
Property Value
Type Description
string
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ObjectExpression

Get the third argument to this function that specifies the object of the triple.

Declaration
public ISparqlExpression ObjectExpression { get; }
Property Value
Type Description
ISparqlExpression
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PredicateExpression

Get the second argument to this function that specifies the predicate of the triple.

Declaration
public ISparqlExpression PredicateExpression { get; }
Property Value
Type Description
ISparqlExpression
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SubjectExpression

Get the first argument to this function that specifies the subject of the triple.

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

Gets the SPARQL Expression Type.

Declaration
public SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
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Variables

Gets an enumeration of all the Variables used in an expression.

Declaration
public IEnumerable<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<T><string>

Methods

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Accept<T>(ISparqlExpressionVisitor<T>)

Declaration
public T Accept<T>(ISparqlExpressionVisitor<T> visitor)
Parameters
Type Name Description
ISparqlExpressionVisitor<T> visitor
Returns
Type Description
T
Type Parameters
Name Description
T
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Accept<TResult, TContext, TBinding>(ISparqlExpressionProcessor<TResult, TContext, TBinding>, TContext, TBinding)

Accept a ISparqlExpressionProcessor<TResult, TContext, TBinding> by calling the appropriate method on its interface for this expression.

Declaration
public TResult Accept<TResult, TContext, TBinding>(ISparqlExpressionProcessor<TResult, TContext, TBinding> processor, TContext context, TBinding binding)
Parameters
Type Name Description
ISparqlExpressionProcessor<TResult, TContext, TBinding> processor

The processor to be invoked.
TContext context

The context object to use for processing.
TBinding binding

The binding to be processed.
Returns
Type Description
TResult
Type Parameters
Name Description
TResult

Type of result that the process method returns.
TContext

The type of the context parameter to the process method.
TBinding

The type of the binding parameter of the process method.
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Transform(IExpressionTransformer)

Transforms the arguments of the expression using the given transformer.

Declaration
public ISparqlExpression Transform(IExpressionTransformer transformer)
Parameters
Type Name Description
IExpressionTransformer transformer

Expression Transformer.
Returns
Type Description
ISparqlExpression

Implements

Extension Methods