Class TriplePatternBuilder

Provides methods for building triple patterns.

Inheritance
object
TriplePatternBuilder
Implements
Inherited Members
Namespace: VDS.RDF.Query.Builder
Assembly: dotNetRdf.dll
Syntax
public class TriplePatternBuilder : ITriplePatternBuilderInternal, ITriplePatternBuilder

Constructors

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TriplePatternBuilder(INamespaceMapper)

Declaration
public TriplePatternBuilder(INamespaceMapper prefixes)
Parameters
Type Name Description
INamespaceMapper prefixes

Properties

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PatternItemFactory

Gets the pattern item factory.

Declaration
public IPatternItemFactory PatternItemFactory { get; }
Property Value
Type Description
IPatternItemFactory
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Patterns

Gets the triple patterns.

Declaration
public ITriplePattern[] Patterns { get; }
Property Value
Type Description
ITriplePattern[]
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Prefixes

Gets the prefix manager, which allows adding prefixes to the query or graph pattern.

Declaration
public INamespaceMapper Prefixes { get; }
Property Value
Type Description
INamespaceMapper

Methods

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AddPattern(TriplePattern)

Add TriplePattern to the builder.

Declaration
public void AddPattern(TriplePattern triplePattern)
Parameters
Type Name Description
TriplePattern triplePattern
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Subject(string)

Sets a variable as Subject.

Declaration
public TriplePatternPredicatePart Subject(string subjectVariableName)
Parameters
Type Name Description
string subjectVariableName
Returns
Type Description
TriplePatternPredicatePart
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Subject(Uri)

Sets a Uri as Subject.

Declaration
public TriplePatternPredicatePart Subject(Uri subject)
Parameters
Type Name Description
Uri subject
Returns
Type Description
TriplePatternPredicatePart
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Subject(INode)

Depending on the subjectNode's type, sets a literal, a QName or a blank node as Subject.

Declaration
public TriplePatternPredicatePart Subject(INode subjectNode)
Parameters
Type Name Description
INode subjectNode
Returns
Type Description
TriplePatternPredicatePart
Remarks

A relevant prefix/base URI must be added to Prefixes to accept a QName.

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Subject(PatternItem)

Sets a PatternItem as Subject.

Declaration
public TriplePatternPredicatePart Subject(PatternItem subject)
Parameters
Type Name Description
PatternItem subject
Returns
Type Description
TriplePatternPredicatePart
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Subject(SparqlVariable)

Sets a variable as Subject.

Declaration
public TriplePatternPredicatePart Subject(SparqlVariable subjectVariable)
Parameters
Type Name Description
SparqlVariable subjectVariable
Returns
Type Description
TriplePatternPredicatePart
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Subject<TNode>(string)

Depending on the generic parameter type, sets a literal, a QName or a blank node as Subject.

Declaration
public TriplePatternPredicatePart Subject<TNode>(string subject) where TNode : INode
Parameters
Type Name Description
string subject

Either a variable name, a literal, a QName or a blank node identifier.
Returns
Type Description
TriplePatternPredicatePart
Type Parameters
Name Description
TNode
Remarks

A relevant prefix/base URI must be added to Prefixes to accept a QName.

Implements

Extension Methods