Class TripleFunction

Class representing the SPARQL-Star TRIPLE() function.

Inheritance

object

TripleFunction

Implements

ISparqlExpression

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

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

Arguments

Gets the Arguments of this Expression.

Declaration

public IEnumerable<ISparqlExpression> Arguments { get; }

Property Value

Type	Description
IEnumerable<ISparqlExpression>

CanParallelise

Gets whether an expression can safely be evaluated in parallel.

Declaration

public bool CanParallelise { get; }

Property Value

Type	Description
bool

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

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

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

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

Type

Gets the SPARQL Expression Type.

Declaration

public SparqlExpressionType Type { get; }

Property Value

Type	Description
SparqlExpressionType

Variables

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

Declaration

public IEnumerable<string> Variables { get; }

Property Value

Type	Description
IEnumerable<string>

Methods

Accept<T>(ISparqlExpressionVisitor<T>)

Accept a ISparqlExpressionVisitor<T> by calling the appropriate method on its interface for this expression.

Declaration

public T Accept<T>(ISparqlExpressionVisitor<T> visitor)

Parameters

Type	Name	Description
ISparqlExpressionVisitor<T>	visitor	The visitor to be invoked.

Returns

Type	Description
T	The result of calling the method on the visitor.

Type Parameters

Name	Description
T	Type of result that the called method returns.

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.

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

ISparqlExpression

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)