Class BaseUnaryDateTimeFunction

Abstract Base Class for functions which are Unary functions applied to Date Time objects in the XPath function library.
Inheritance
System.Object
BaseUnaryExpression
BaseUnaryDateTimeFunction
DayFromDateTimeFunction
HoursFromDateTimeFunction
MinutesFromDateTimeFunction
MonthFromDateTimeFunction
SecondsFromDateTimeFunction
YearFromDateTimeFunction
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: VDS.RDF.Query.Expressions.Functions.XPath.DateTime
Assembly: dotNetRDF.dll
Syntax
public abstract class BaseUnaryDateTimeFunction : BaseUnaryExpression, ISparqlExpression

Constructors

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BaseUnaryDateTimeFunction(ISparqlExpression)

Creates a new Unary XPath Date Time function.
Declaration
public BaseUnaryDateTimeFunction(ISparqlExpression expr)
Parameters
Type Name Description
ISparqlExpression expr

Properties

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Type

Gets the Type of the Expression.
Declaration
public override SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
Overrides

Methods

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Evaluate(SparqlEvaluationContext, Int32)

Gets the numeric value of the function in the given Evaluation Context for the given Binding ID.
Declaration
public override IValuedNode Evaluate(SparqlEvaluationContext context, int bindingID)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
IValuedNode
Overrides
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ToString()

Gets the String representation of the Function.
Declaration
public abstract override string ToString()
Returns
Type Description
System.String
Overrides
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ValueInternal(DateTimeOffset)

Abstract method which derived classes must implement to generate the actual numeric value for the function.
Declaration
protected abstract IValuedNode ValueInternal(DateTimeOffset dateTime)
Parameters
Type Name Description
System.DateTimeOffset dateTime Date Time.
Returns
Type Description
IValuedNode

Implements

Extension Methods