Class OrderByExpression

An ORDER BY which orders based on the values of a Sparql Expression.

Inheritance
object
BaseOrderBy
OrderByExpression
Implements
Inherited Members
Namespace: VDS.RDF.Query.Ordering
Assembly: dotNetRdf.dll
Syntax
public class OrderByExpression : BaseOrderBy, ISparqlOrderBy

Constructors

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OrderByExpression(ISparqlExpression)

Creates a new Order By using the given Expression.

Declaration
public OrderByExpression(ISparqlExpression expr)
Parameters
Type Name Description
ISparqlExpression expr

Expression to order by.

Properties

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Expression

Gets the Expression used for Ordering.

Declaration
public override ISparqlExpression Expression { get; }
Property Value
Type Description
ISparqlExpression
Overrides
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IsSimple

Gets whether the Ordering is Simple.

Declaration
public override bool IsSimple { get; }
Property Value
Type Description
bool
Overrides
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Variables

Gets all the Variables used in the Ordering.

Declaration
public override IEnumerable<string> Variables { get; }
Property Value
Type Description
IEnumerable<string>
Overrides

Methods

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GetComparer(IMatchTriplePattern, ISparqlNodeComparer)

Generates a Comparer than can be used to do Ordering based on the given Triple Pattern.

Declaration
public override IComparer<Triple> GetComparer(IMatchTriplePattern pattern, ISparqlNodeComparer nodeComparer)
Parameters
Type Name Description
IMatchTriplePattern pattern

Triple Pattern.
ISparqlNodeComparer nodeComparer

The comparer to use for node ordering.
Returns
Type Description
IComparer<Triple>
Overrides
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ToString()

Gets the String representation of the Order By.

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

Implements

Extension Methods