SemWeb : SemWeb.Query Namespace
QueryResultSink Class

A class that receives the results of a query.

public abstract class QueryResultSink

⊟ Remarks

This is an abstract base class. SemWeb.Query.SparqlXmlQuerySink is an implementation that writes out the results of a query in SPARQL XML Results Format.

⊟ Requirements

Namespace: SemWeb.Query
Assembly: SemWeb (in SemWeb.dll)
Assembly Versions: 1.0.6.0, 1.0.6.2

⊟ Members

See Also: Inherited members from object.

⊟ Protected Constructors

The protected no-arg constructor used by inherited classes.

⊟ Public Methods

abstract
Add (VariableBindings) : bool
Called to add a new result row.
AddComments (string)
Adds comments about how the query has been processed.
Finished ()
This method is called by a Query object after the last variable binding is added.
Init (SemWeb.Variable[])
Called by the Query to initialize the result sink.

⊟ Member Details

⊟ QueryResultSink Constructor

The protected no-arg constructor used by inherited classes.

protected QueryResultSink ()

⊟ Remarks

None.

⊟ Requirements

Namespace: SemWeb.Query
Assembly: SemWeb (in SemWeb.dll)
Assembly Versions: 1.0.6.2

⊟ Add Method

Called to add a new result row.

public abstract bool Add (VariableBindings result)

⊟ Parameters

result
The variable bindings to values in this row.

⊟ Returns

Return true to have the caller continue streaming results, otherwise the caller will abort the query.

⊟ Remarks

None.

⊟ Requirements

Namespace: SemWeb.Query
Assembly: SemWeb (in SemWeb.dll)
Assembly Versions: 1.0.6.2

⊟ AddComments Method

Adds comments about how the query has been processed.

public virtual void AddComments (string comments)

⊟ Parameters

comments
Arbitrary comments.

⊟ Remarks

This method may be called at any time, before, during, and after all bindings have been written.

⊟ Requirements

Namespace: SemWeb.Query
Assembly: SemWeb (in SemWeb.dll)
Assembly Versions: 1.0.6.2

⊟ Finished Method

This method is called by a Query object after the last variable binding is added.

public virtual void Finished ()

⊟ Remarks

None.

⊟ Requirements

Namespace: SemWeb.Query
Assembly: SemWeb (in SemWeb.dll)
Assembly Versions: 1.0.6.2

⊟ Init Method

Called by the Query to initialize the result sink.

public virtual void Init (SemWeb.Variable[] variables)

⊟ Parameters

variables
An array of variables whose bindings will be reported. The order of the variables here will match that in the bindings provided in Add.

⊟ Remarks

None.

⊟ Requirements

Namespace: SemWeb.Query
Assembly: SemWeb (in SemWeb.dll)
Assembly Versions: 1.0.6.2