Interface ISparqlResult

Interface representing a single row in a SPARQL results set.

Inherited Members

IEnumerable<KeyValuePair<string, INode>>.GetEnumerator()

IEnumerable.GetEnumerator()

IEquatable<ISparqlResult>.Equals(ISparqlResult)

Namespace: VDS.RDF.Query

Assembly: dotNetRdf.dll

Syntax

public interface ISparqlResult : IEnumerable<KeyValuePair<string, INode>>, IEnumerable, IEquatable<ISparqlResult>

Properties

Count

Gets the number of Variables for which this Result contains Bindings.

Declaration

int Count { get; }

Property Value

Type	Description
int

IsGroundResult

Gets whether a Result is a Ground Result.

Declaration

bool IsGroundResult { get; }

Property Value

Type	Description
bool

Remarks

A Ground Result is a result which is considered to be a fixed fact. In practise this means it contains no Blank Nodes.

this[int]

Gets the Value that is bound at the given Index.

Declaration

INode this[int index] { get; }

Parameters

Type	Name	Description
int	index	Index whose Value you wish to retrieve.

Property Value

Type	Description
INode

Remarks

As of 1.0.0 the order of variables in a result may/may not vary depending on the original query. If a specific variable list was declared dotNetRDF tries to preserve that order but this may not always happen depending on how results are received.

Exceptions

Type	Condition
IndexOutOfRangeException	Thrown if there is nothing bound at the given Index.

this[string]

Gets the Value that is bound to the given Variable.

Declaration

INode this[string variable] { get; }

Parameters

Type	Name	Description
string	variable	Variable whose Value you wish to retrieve.

Property Value

Type	Description
INode

Exceptions

Type	Condition
RdfException	Thrown if there is nothing bound to the given Variable Name for this Result.

Variables

Gets the set of Variables that are bound in this Result.

Declaration

IEnumerable<string> Variables { get; }

Property Value

Type	Description
IEnumerable<string>

Methods

HasBoundValue(string)

Checks whether a given Variable has a non-null value for this result.

Declaration

bool HasBoundValue(string variable)

Parameters

Type	Name	Description
string	variable	Variable Name.

Returns

Type	Description
bool	True if the variable is present and has a non-null value, false otherwise.

HasValue(string)

Checks whether a given Variable has a value (which may be null) for this result.

Declaration

bool HasValue(string variable)

Parameters

Type	Name	Description
string	variable	Variable Name.

Returns

Type	Description
bool	True if the variable is present, false otherwise.

Remarks

Returns true even if the value is null, use HasBoundValue(string) instead to see whether a non-null value is present for a variable.

SetValue(string, INode)

Sets the value bound to the specified variable, adding that variable to the result if necessary.

Declaration

void SetValue(string variable, INode value)

Parameters

Type	Name	Description
string	variable	Variable name.
INode	value	Value to bind to the variable.

ToString(INodeFormatter)

Displays the Result as a comma separated string of paris of the form ?var = value where values are formatted using the given Node Formatter.

Declaration

string ToString(INodeFormatter formatter)

Parameters

Type	Name	Description
INodeFormatter	formatter	Node Formatter.

Returns

Type	Description
string

Trim()

Removes all Variables Bindings where the Variable is Unbound.

Declaration

void Trim()

TryGetBoundValue(string, out INode)

Tries to get a non-null value for the variable.

Declaration

bool TryGetBoundValue(string variable, out INode value)

Parameters

Type	Name	Description
string	variable	Variable.
INode	value	Value.

Returns

Type	Description
bool	True if the variable was present and bound, false otherwise.

TryGetValue(string, out INode)

Tries to get a value (which may be null) for the variable.

Declaration

bool TryGetValue(string variable, out INode value)

Parameters

Type	Name	Description
string	variable	Variable.
INode	value	Value.

Returns

Type	Description
bool	True if the variable was present (even it was unbound) and false otherwise.

Value(string)

Gets the Value that is bound to the given Variable.

Declaration

INode Value(string variable)

Parameters

Type	Name	Description
string	variable	Variable whose Value you wish to retrieve.

Returns

Type	Description
INode

Exceptions

Type	Condition
RdfException	Thrown if there is nothing bound to the given Variable Name for this Result.

Extension Methods

Extensions.ChunkBy<T>(IEnumerable<T>, int)

Extensions.IsDisjoint<T>(IEnumerable<T>, IEnumerable<T>)

Extensions.ToSafeString(object)

DynamicExtensions.AsDynamic(ISparqlResult)

Extensions.AsEnumerable<T>(T)