Class BaseQueryHandlerConfiguration

Abstract Base class for SPARQL Query Handlers
Inheritance
System.Object
BaseHandlerConfiguration
BaseQueryHandlerConfiguration
QueryHandlerConfiguration
Inherited Members
Namespace: VDS.RDF.Web.Configuration.Query
Assembly: dotNetRDF.Web.dll
Syntax
public class BaseQueryHandlerConfiguration : BaseHandlerConfiguration

Constructors

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BaseQueryHandlerConfiguration(IGraph, INode)

Creates a new Query Handler Configuration
Declaration
public BaseQueryHandlerConfiguration(IGraph g, INode objNode)
Parameters
Type Name Description
IGraph g Configuration Graph
INode objNode Object Node
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BaseQueryHandlerConfiguration(IHttpContext, IGraph, INode)

Creates a new Query Handler Configuration
Declaration
public BaseQueryHandlerConfiguration(IHttpContext context, IGraph g, INode objNode)
Parameters
Type Name Description
IHttpContext context HTTP Context
IGraph g Configuration Graph
INode objNode Object Node

Fields

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_algebraOptimisers

Algebra Optimisers to use (empty list means only standard optimisers apply)
Declaration
protected List<IAlgebraOptimiser> _algebraOptimisers
Field Value
Type Description
List<IAlgebraOptimiser>
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_defaultGraph

Default Graph Uri for queries
Declaration
protected String _defaultGraph
Field Value
Type Description
String
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_defaultPartialResults

Default Partial Results on Timeout behaviour
Declaration
protected bool _defaultPartialResults
Field Value
Type Description
System.Boolean
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_defaultQuery

Default Sparql Query
Declaration
protected String _defaultQuery
Field Value
Type Description
String
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_defaultTimeout

Default Timeout for Queries
Declaration
protected long _defaultTimeout
Field Value
Type Description
System.Int64
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_describer

SPARQL Describe Algorithm to use (null indicates default is used)
Declaration
protected ISparqlDescribe _describer
Field Value
Type Description
ISparqlDescribe
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_partialResultsField

Querystring Field name for the Partial Results setting
Declaration
protected String _partialResultsField
Field Value
Type Description
String
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_processor

Query Processor to be used
Declaration
protected ISparqlQueryProcessor _processor
Field Value
Type Description
ISparqlQueryProcessor
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_queryOptimiser

Query Optimiser to use (null indicates default is used)
Declaration
protected IQueryOptimiser _queryOptimiser
Field Value
Type Description
IQueryOptimiser
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_serviceDescription

Service Description Graph
Declaration
protected IGraph _serviceDescription
Field Value
Type Description
IGraph
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_showQueryForm

Whether a Query Form should be shown to the User
Declaration
protected bool _showQueryForm
Field Value
Type Description
System.Boolean
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_supportsPartialResults

Whether the Handler supports Partial Results on Timeout
Declaration
protected bool _supportsPartialResults
Field Value
Type Description
System.Boolean
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_supportsTimeout

Whether the Handler supports Timeouts
Declaration
protected bool _supportsTimeout
Field Value
Type Description
System.Boolean
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_syntax

SPARQL Syntax to use (defaults to library default which is SPARQL 1.1 unless changed)
Declaration
protected SparqlQuerySyntax _syntax
Field Value
Type Description
SparqlQuerySyntax
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_timeoutField

Querystring Field name for the Timeout setting
Declaration
protected String _timeoutField
Field Value
Type Description
String

Properties

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AlgebraOptimisers

Gets the Algebra Optimisers associated with the Configuration
Declaration
public IEnumerable<IAlgebraOptimiser> AlgebraOptimisers { get; }
Property Value
Type Description
IEnumerable<IAlgebraOptimiser>
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DefaultGraphURI

Gets the Default Graph Uri
Declaration
public String DefaultGraphURI { get; }
Property Value
Type Description
String
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DefaultPartialResults

Gets the Default Partial Results on Timeout behaviour
Declaration
public bool DefaultPartialResults { get; }
Property Value
Type Description
System.Boolean
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DefaultQuery

Gets the Default Query for the Query Form
Declaration
public String DefaultQuery { get; }
Property Value
Type Description
String
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DefaultTimeout

Gets the Default Query Execution Timeout
Declaration
public long DefaultTimeout { get; }
Property Value
Type Description
System.Int64
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DescribeAlgorithm

Gets the SPARQL Describe Algorithm to be used
Declaration
public ISparqlDescribe DescribeAlgorithm { get; }
Property Value
Type Description
ISparqlDescribe
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PartialResultsField

Querystring field name for the Partial Results on Timeout setting for Remote Endpoints which support it
Declaration
public String PartialResultsField { get; }
Property Value
Type Description
String
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Processor

Gets the Processor used to evaluate queries
Declaration
public ISparqlQueryProcessor Processor { get; }
Property Value
Type Description
ISparqlQueryProcessor
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QueryOptimiser

Gets the Query Optimiser associated with the Configuration
Declaration
public IQueryOptimiser QueryOptimiser { get; }
Property Value
Type Description
IQueryOptimiser
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ServiceDescription

Gets the Service Description Graph
Declaration
public IGraph ServiceDescription { get; }
Property Value
Type Description
IGraph
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ShowQueryForm

Gets whether the Query Form should be shown to users
Declaration
public bool ShowQueryForm { get; }
Property Value
Type Description
System.Boolean
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SupportsPartialResults

Whether the Remote Endpoint supports specifying Partial Results on Timeout behaviour as a querystring parameter
Declaration
public bool SupportsPartialResults { get; }
Property Value
Type Description
System.Boolean
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SupportsTimeout

Whether the Remote Endpoint supports specifying Query Timeout as a querystring parameter
Declaration
public bool SupportsTimeout { get; }
Property Value
Type Description
System.Boolean
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Syntax

Gets the SPARQL Query Syntax to use
Declaration
public SparqlQuerySyntax Syntax { get; }
Property Value
Type Description
SparqlQuerySyntax
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TimeoutField

Querystring field name for the Query Timeout for Remote Endpoints which support it
Declaration
public String TimeoutField { get; }
Property Value
Type Description
String

Methods

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AddFeatureDescription(IGraph, INode)

Adds Description of Features for the given Handler Configuration
Declaration
public virtual void AddFeatureDescription(IGraph g, INode descripNode)
Parameters
Type Name Description
IGraph g Service Description Graph
INode descripNode Description Node for the Service

Extension Methods