Class SubstringFunction

Represents the ARQ afn:substring() function which is a sub-string with Java semantics.

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

Constructors

| Improve this Doc View Source

SubstringFunction(ISparqlExpression, ISparqlExpression, ISparqlExpression)

Creates a new ARQ substring function.

Declaration
public SubstringFunction(ISparqlExpression stringExpr, ISparqlExpression startExpr, ISparqlExpression endExpr)
Parameters
Type Name Description
ISparqlExpression stringExpr

Expression.
ISparqlExpression startExpr

Expression giving an index at which to start the substring.
ISparqlExpression endExpr

Expression giving an index at which to end the substring.
| Improve this Doc View Source

SubstringFunction(ISparqlExpression, ISparqlExpression)

Creates a new ARQ substring function.

Declaration
public SubstringFunction(ISparqlExpression stringExpr, ISparqlExpression startExpr)
Parameters
Type Name Description
ISparqlExpression stringExpr

Expression.
ISparqlExpression startExpr

Expression giving an index at which to start the substring.

Properties

| Improve this Doc View Source

Arguments

Gets the Arguments of the Expression.

Declaration
public IEnumerable<ISparqlExpression> Arguments { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<T><ISparqlExpression>
| Improve this Doc View Source

CanParallelise

Gets whether an expression can safely be evaluated in parallel.

Declaration
public virtual bool CanParallelise { get; }
Property Value
Type Description
System.Boolean
| Improve this Doc View Source

EndExpression

Get the expression which gives the end index of the substring to return.

Declaration
public ISparqlExpression EndExpression { get; }
Property Value
Type Description
ISparqlExpression
| Improve this Doc View Source

Functor

Gets the Functor of the Expression.

Declaration
public string Functor { get; }
Property Value
Type Description
string
| Improve this Doc View Source

StartExpression

Get the expression which gives the start index of the substring to return.

Declaration
public ISparqlExpression StartExpression { get; }
Property Value
Type Description
ISparqlExpression
| Improve this Doc View Source

StringExpression

Get the expression which gives the string to be sliced.

Declaration
public ISparqlExpression StringExpression { get; }
Property Value
Type Description
ISparqlExpression
| Improve this Doc View Source

Type

Gets the Type of the Expression.

Declaration
public SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
| Improve this Doc View Source

Variables

Gets the Variables used in the function.

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

Methods

| Improve this Doc View Source

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
| Improve this Doc View Source

Accept<TResult, TContext, TBinding>(ISparqlExpressionProcessor<TResult, TContext, TBinding>, TContext, TBinding)

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
TContext context
TBinding binding
Returns
Type Description
TResult
Type Parameters
Name Description
TResult
TContext
TBinding
| Improve this Doc View Source

ToString()

Gets the String representation of the function.

Declaration
public override string ToString()
Returns
Type Description
string
Overrides
object.ToString()
| Improve this Doc View Source

Transform(IExpressionTransformer)

Transforms 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