Class FullTextQuery

Algebra Operator which provides full text query capabilities for a query.

Inheritance

System.Object

FullTextQuery

Implements

IUnaryOperator

ILeviathanAlgebraExtension

ISparqlAlgebra

IVisitable

IProcessable

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Namespace: VDS.RDF.Query.Algebra

Assembly: dotNetRdf.Query.FullText.dll

Syntax

public class FullTextQuery : IUnaryOperator, ILeviathanAlgebraExtension, ISparqlAlgebra, IVisitable, IProcessable

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Constructors

FullTextQuery(IFullTextSearchProvider, ISparqlAlgebra)

Creates a new Full Text Query algebra.

Declaration

public FullTextQuery(IFullTextSearchProvider searchProvider, ISparqlAlgebra algebra)

Parameters

Type	Name	Description
IFullTextSearchProvider	searchProvider	Search Provider.
ISparqlAlgebra	algebra	Inner Algebra.

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Properties

FixedVariables

Gets the enumeration of fixed variables in the algebra i.e. variables that are guaranteed to have a bound value.

Declaration

public IEnumerable<string> FixedVariables { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<T><string>

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

FloatingVariables

Gets the enumeration of floating variables in the algebra i.e. variables that are not guaranteed to have a bound value.

Declaration

public IEnumerable<string> FloatingVariables { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<T><string>

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

InnerAlgebra

Gets the Inner Algebra.

Declaration

public ISparqlAlgebra InnerAlgebra { get; }

Property Value

Type	Description
ISparqlAlgebra

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Variables

Gets the variables used in the algebra.

Declaration

public IEnumerable<string> Variables { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<T><string>

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Methods

Accept<T>(ISparqlAlgebraVisitor<T>)

Accept a simple algebra visitor.

Declaration

public T Accept<T>(ISparqlAlgebraVisitor<T> visitor)

Parameters

Type	Name	Description
ISparqlAlgebraVisitor<T>	visitor	The visitor implementation.

Returns

Type	Description
T

Type Parameters

Name	Description
T	The type returned by the Visit methods of the visitor.

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)

Declaration

public TResult Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext> processor, TContext context)

Parameters

Type	Name	Description
ISparqlQueryAlgebraProcessor<TResult, TContext>	processor
TContext	context

Returns

Type	Description
TResult

Type Parameters

Name	Description
TResult
TContext

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Evaluate(SparqlEvaluationContext)

Evaluates the algebra.

Declaration

public BaseMultiset Evaluate(SparqlEvaluationContext context)

Parameters

Type	Name	Description
SparqlEvaluationContext	context	Evaluation Context.

Returns

Type	Description
BaseMultiset

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

ToGraphPattern()

Converts the algebra into a Graph Pattern.

Declaration

public GraphPattern ToGraphPattern()

Returns

Type	Description
GraphPattern

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

ToQuery()

Converts the algebra into a query.

Declaration

public SparqlQuery ToQuery()

Returns

Type	Description
SparqlQuery

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

ToString()

Gets the string representation of the algebra.

Declaration

public override string ToString()

Returns

Type	Description
string

Overrides

object.ToString()

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Transform(IAlgebraOptimiser)

Transforms the algebra.

Declaration

public ISparqlAlgebra Transform(IAlgebraOptimiser optimiser)

Parameters

Type	Name	Description
IAlgebraOptimiser	optimiser	Optimiser.

Returns

Type	Description
ISparqlAlgebra

Remarks

The evaluation of this operator simply registers the search provider with the Evaluation Context such that any FullTextMatchPropertyFunction instances are honoured.

Implements

IUnaryOperator

ILeviathanAlgebraExtension

ISparqlAlgebra

IVisitable

IProcessable

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)