Class ResultCountHandler

A SPARQL Results Handler which just counts Results.

Inheritance
System.Object
BaseHandler
BaseResultsHandler
ResultCountHandler
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()
Namespace: VDS.RDF.Parsing.Handlers
Assembly: dotNetRdf.dll
Syntax
public class ResultCountHandler : BaseResultsHandler, ISparqlResultsHandler, INodeFactory
Remarks

Note: For a Boolean Result Set the counter will either be 1 for true or 0 for false.

Constructors

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ResultCountHandler()

Creates a new Result Count Handler.

Declaration
public ResultCountHandler()
Remarks

Note: For a Boolean Result Set the counter will either be 1 for true or 0 for false.

Properties

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Count

Gets the Count of Results.

Declaration
public int Count { get; }
Property Value
Type Description
int
Remarks

For Boolean Results counter will be either 1 or 0 depending on whether the result was True/False.

Methods

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HandleBooleanResultInternal(bool)

Handles a Boolean Result.

Declaration
protected override void HandleBooleanResultInternal(bool result)
Parameters
Type Name Description
System.Boolean result

Result.
Overrides
Remarks

Note: For a Boolean Result Set the counter will either be 1 for true or 0 for false.

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HandleResultInternal(ISparqlResult)

Handles a SPARQL Result by incrementing the counter.

Declaration
protected override bool HandleResultInternal(ISparqlResult result)
Parameters
Type Name Description
ISparqlResult result

Result.
Returns
Type Description
System.Boolean
Overrides
Remarks

Note: For a Boolean Result Set the counter will either be 1 for true or 0 for false.

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HandleVariableInternal(string)

Handles a Variable Declaration.

Declaration
protected override bool HandleVariableInternal(string var)
Parameters
Type Name Description
string var

Variable Name.
Returns
Type Description
System.Boolean
Overrides
Remarks

Note: For a Boolean Result Set the counter will either be 1 for true or 0 for false.

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StartResultsInternal()

Starts Results Handling and resets the counter to zero.

Declaration
protected override void StartResultsInternal()
Overrides
Remarks

Note: For a Boolean Result Set the counter will either be 1 for true or 0 for false.

Implements

Extension Methods