Class Service

Represents a Service Clause.

Inheritance
System.Object
Service
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
Namespace: VDS.RDF.Query.Algebra
Assembly: dotNetRdf.dll
Syntax
public class Service : ITerminalOperator, ISparqlAlgebra, IVisitable, IProcessable

Constructors

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Service(IToken, GraphPattern, bool)

Creates a new Service clause with the given Endpoint Specifier and Graph Pattern.

Declaration
public Service(IToken endpointSpecifier, GraphPattern pattern, bool silent)
Parameters
Type Name Description
IToken endpointSpecifier

Endpoint Specifier.
GraphPattern pattern

Graph Pattern.
System.Boolean silent

Whether Evaluation Errors are suppressed.
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Service(IToken, GraphPattern)

Creates a new Service clause with the given Endpoint Specifier and Graph Pattern.

Declaration
public Service(IToken endpointSpecifier, GraphPattern pattern)
Parameters
Type Name Description
IToken endpointSpecifier

Endpoint Specifier.
GraphPattern pattern

Graph Pattern.

Properties

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EndpointSpecifier

Gets the Endpoint Specifier.

Declaration
public IToken EndpointSpecifier { get; }
Property Value
Type Description
IToken
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FixedVariables

Gets the enumeration of fixed variables in the algebra i.e. variables that are guaranteed to have a bound value.

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

Gets the enumeration of floating variables in the algebra i.e. variables that are not guaranteed to have a bound value.

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

Gets the Graph Pattern.

Declaration
public GraphPattern Pattern { get; }
Property Value
Type Description
GraphPattern
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Silent

Declaration
public bool Silent { get; }
Property Value
Type Description
System.Boolean
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Variables

Gets the Variables used in the Algebra.

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

Methods

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Accept<T>(ISparqlAlgebraVisitor<T>)

Declaration
public T Accept<T>(ISparqlAlgebraVisitor<T> visitor)
Parameters
Type Name Description
ISparqlAlgebraVisitor<T> visitor
Returns
Type Description
T
Type Parameters
Name Description
T
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Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)

Declaration
public TResult Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext> processor, TContext context)
Parameters
Type Name Description
ISparqlQueryAlgebraProcessor<TResult, TContext> processor
TContext context
Returns
Type Description
TResult
Type Parameters
Name Description
TResult
TContext
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ToGraphPattern()

Converts the Algebra into a Graph Pattern.

Declaration
public GraphPattern ToGraphPattern()
Returns
Type Description
GraphPattern
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ToQuery()

Converts the Algebra back to a SPARQL Query.

Declaration
public SparqlQuery ToQuery()
Returns
Type Description
SparqlQuery
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ToString()

Gets the String representation of the Algebra.

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

Implements

Extension Methods