Class ChainFilter

Generic Filter for use where multiple Filters are applied on a single Graph Pattern.

Inheritance
System.Object
ChainFilter
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
Namespace: VDS.RDF.Query.Filters
Assembly: dotNetRdf.dll
Syntax
public class ChainFilter : ISparqlFilter, IVisitable, IProcessable

Constructors

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ChainFilter(IEnumerable<ISparqlFilter>)

Creates a new Chain Filter.

Declaration
public ChainFilter(IEnumerable<ISparqlFilter> filters)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<T><ISparqlFilter> filters

Filters.
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ChainFilter(ISparqlFilter, IEnumerable<ISparqlFilter>)

Creates a new Chain Filter.

Declaration
public ChainFilter(ISparqlFilter first, IEnumerable<ISparqlFilter> rest)
Parameters
Type Name Description
ISparqlFilter first

First Filter.
System.Collections.Generic.IEnumerable<T><ISparqlFilter> rest

Additional Filters.
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ChainFilter(ISparqlFilter, ISparqlFilter)

Creates a new Chain Filter.

Declaration
public ChainFilter(ISparqlFilter first, ISparqlFilter second)
Parameters
Type Name Description
ISparqlFilter first

First Filter.
ISparqlFilter second

Second Filter.

Properties

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Expression

Gets the Inner Expression used by the Chained Filters.

Declaration
public ISparqlExpression Expression { get; }
Property Value
Type Description
ISparqlExpression
Remarks

Equivalent to ANDing all the Chained Filters expressions.

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Filters

Declaration
public IEnumerable<ISparqlFilter> Filters { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<T><ISparqlFilter>
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Variables

Gets the enumeration of Variables used in the chained Filters.

Declaration
public IEnumerable<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<T><string>

Methods

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Accept<T>(ISparqlAlgebraVisitor<T>)

Declaration
public T Accept<T>(ISparqlAlgebraVisitor<T> visitor)
Parameters
Type Name Description
ISparqlAlgebraVisitor<T> visitor
Returns
Type Description
T
Type Parameters
Name Description
T
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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
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Add(ISparqlFilter)

Adds an additional Filter to the Filter Chain.

Declaration
protected void Add(ISparqlFilter filter)
Parameters
Type Name Description
ISparqlFilter filter

A Filter to add.
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ToString()

Gets the String representation of the Filters.

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

Implements

Extension Methods