BaseSparqlView Class |
Abstract Base class for SPARQL Views which are Graphs which are generated from SPARQL Queries and get automatically updated when the Store they are attached to changes.
Inheritance HierarchySystemObject
VDS.RDFBaseGraph
VDS.RDFGraph
VDS.RDF.QueryBaseSparqlView
VDS.RDF.QueryNativeSparqlView
VDS.RDF.QuerySparqlView
VDS.RDFBaseGraph
VDS.RDFGraph
VDS.RDF.QueryBaseSparqlView
VDS.RDF.QueryNativeSparqlView
VDS.RDF.QuerySparqlView
Namespace: VDS.RDF.Query
Assembly: dotNetRDF (in dotNetRDF.dll) Version:
SyntaxThe BaseSparqlView type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | BaseSparqlView(String, ITripleStore) |
Creates a new SPARQL View.
|
| BaseSparqlView(SparqlParameterizedString, ITripleStore) |
Creates a new SPARQL View.
|
| BaseSparqlView(SparqlQuery, ITripleStore) |
Creates a new SPARQL View.
|
Properties| Name | Description | |
|---|---|---|
 | AllNodes |
Gets the unique Subject, Predicate and Object nodes of the Graph.
(Inherited from BaseGraph.) |
| BaseUri |
Gets the current Base Uri for the Graph.
(Inherited from BaseGraph.) |
| IsEmpty |
Gets whether a Graph is Empty ie. Contains No Triples or Nodes.
(Inherited from BaseGraph.) |
| LastError |
Gets the error that occurred during the last update (if any).
|
| NamespaceMap |
Gets the Namespace Mapper for this Graph which contains all in use Namespace Prefixes and their URIs.
(Inherited from BaseGraph.) |
| Nodes |
Gets the unique Subject and Object nodes of the Graph.
(Inherited from BaseGraph.) |
| Triples |
Gets the set of Triples described in this Graph.
(Inherited from BaseGraph.) |
Methods| Name | Description | |
|---|---|---|
 | Assert(IEnumerableTriple) |
Asserts a List of Triples in the graph.
(Inherited from Graph.) |
| Assert(Triple) |
Asserts a Triple in the Graph.
(Inherited from Graph.) |
| AttachEventHandlers |
Helper method for attaching the necessary event Handlers to a Triple Collection.
(Inherited from BaseGraph.) |
| Clear |
Clears all Triples from the Graph.
(Inherited from BaseGraph.) |
| ContainsTriple |
Gets whether a given Triple exists in this Graph.
(Inherited from BaseGraph.) |
| CreateBlankNode |
Creates a New Blank Node with an auto-generated Blank Node ID.
(Inherited from BaseGraph.) |
| CreateBlankNode(String) |
Creates a New Blank Node with a user-defined Blank Node ID.
(Inherited from BaseGraph.) |
| CreateGraphLiteralNode |
Creates a new Graph Literal Node with its value being an Empty Subgraph.
(Inherited from BaseGraph.) |
| CreateGraphLiteralNode(IGraph) |
Creates a new Graph Literal Node with its value being the given Subgraph.
(Inherited from BaseGraph.) |
| CreateLiteralNode(String) |
Creates a New Literal Node with the given Value.
(Inherited from BaseGraph.) |
| CreateLiteralNode(String, String) |
Creates a New Literal Node with the given Value and Language Specifier.
(Inherited from BaseGraph.) |
| CreateLiteralNode(String, Uri) |
Creates a new Literal Node with the given Value and Data Type.
(Inherited from BaseGraph.) |
| CreateUriNode |
Creates a new URI Node that refers to the Base Uri of the Graph.
(Inherited from BaseGraph.) |
| CreateUriNode(String) |
Creates a new URI Node with the given QName.
(Inherited from BaseGraph.) |
| CreateUriNode(Uri) |
Creates a new URI Node with the given URI.
(Inherited from BaseGraph.) |
| CreateVariableNode |
Creates a new Variable Node.
(Inherited from BaseGraph.) |
| DetachEventHandlers |
Helper method for detaching the necessary event Handlers from a Triple Collection.
(Inherited from BaseGraph.) |
| Difference |
Computes the Difference between this Graph the given Graph.
(Inherited from BaseGraph.) |
| Dispose |
Disposes of a Graph.
(Inherited from BaseGraph.) |
| Equals(Object) |
Determines whether a Graph is equal to another Object.
(Inherited from BaseGraph.) |
| Equals(IGraph, DictionaryINode, INode) |
Determines whether this Graph is equal to the given Graph.
(Inherited from BaseGraph.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetBlankNode |
Returns the Blank Node with the given Identifier.
(Inherited from Graph.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetLiteralNode(String) |
Returns the LiteralNode with the given Value if it exists.
(Inherited from Graph.) |
| GetLiteralNode(String, String) |
Returns the LiteralNode with the given Value in the given Language if it exists.
(Inherited from Graph.) |
| GetLiteralNode(String, Uri) |
Returns the LiteralNode with the given Value and given Data Type if it exists.
(Inherited from Graph.) |
| GetNextBlankNodeID |
Creates a new unused Blank Node ID and returns it.
(Inherited from BaseGraph.) |
| GetObjectData |
Gets the Serialization Information for serializing a Graph.
(Inherited from BaseGraph.) |
| GetSchema |
Gets the Schema for XML Serialization.
(Inherited from BaseGraph.) |
| GetTriples(Uri) |
Gets all the Triples involving the given Uri.
(Inherited from Graph.) |
| GetTriples(INode) |
Gets all the Triples involving the given Node.
(Inherited from Graph.) |
| GetTriplesWithObject(Uri) |
Gets all the Triples with the given Uri as the Object.
(Inherited from Graph.) |
| GetTriplesWithObject(INode) |
Gets all the Triples with the given Node as the Object.
(Inherited from Graph.) |
| GetTriplesWithPredicate(Uri) |
Gets all the Triples with the given Uri as the Predicate.
(Inherited from Graph.) |
| GetTriplesWithPredicate(INode) |
Gets all the Triples with the given Node as the Predicate.
(Inherited from Graph.) |
| GetTriplesWithPredicateObject |
Selects all Triples with the given Predicate and Object.
(Inherited from Graph.) |
| GetTriplesWithSubject(Uri) |
Gets all the Triples with the given Uri as the Subject.
(Inherited from Graph.) |
| GetTriplesWithSubject(INode) |
Gets all the Triples with the given Node as the Subject.
(Inherited from Graph.) |
| GetTriplesWithSubjectObject |
Selects all Triples with the given Subject and Object.
(Inherited from Graph.) |
| GetTriplesWithSubjectPredicate |
Selects all Triples with the given Subject and Predicate.
(Inherited from Graph.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| GetUriNode(String) |
Returns the UriNode with the given QName if it exists.
(Inherited from Graph.) |
| GetUriNode(Uri) |
Returns the UriNode with the given Uri if it exists.
(Inherited from Graph.) |
| HasSubGraph(IGraph) |
Checks whether this Graph has the given Graph as a sub-graph.
(Inherited from BaseGraph.) |
| HasSubGraph(IGraph, DictionaryINode, INode) |
Checks whether this Graph has the given Graph as a sub-graph.
(Inherited from BaseGraph.) |
| IsSubGraphOf(IGraph) |
Checks whether this Graph is a sub-graph of the given Graph.
(Inherited from BaseGraph.) |
| IsSubGraphOf(IGraph, DictionaryINode, INode) |
Checks whether this Graph is a sub-graph of the given Graph.
(Inherited from BaseGraph.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| Merge(IGraph) |
Merges another Graph into the current Graph.
(Inherited from BaseGraph.) |
| Merge(IGraph, Boolean) |
Merges another Graph into the current Graph.
(Inherited from BaseGraph.) |
| OnTripleAsserted |
Event Handler which handles the Triple Added event from the underlying Triple Collection by raising the Graph's TripleAsserted event.
(Inherited from BaseGraph.) |
| OnTripleRetracted |
Event Handler which handles the Triple Removed event from the underlying Triple Collection by raising the Graph's Triple Retracted event.
(Inherited from BaseGraph.) |
| RaiseCleared |
Helper method for raising the Cleared event.
(Inherited from BaseGraph.) |
| RaiseClearRequested |
Helper method for raising the Clear Requested event and returning whether any of the Event Handlers cancelled the operation.
(Inherited from BaseGraph.) |
| RaiseGraphChanged |
Helper method for raising the Changed event.
(Inherited from BaseGraph.) |
| RaiseGraphChanged(TripleEventArgs) |
Helper method for raising the Changed event.
(Inherited from BaseGraph.) |
| RaiseMerged |
Helper method for raising the Merged event.
(Inherited from BaseGraph.) |
| RaiseMergeRequested |
Helper method for raising the Merge Requested event and returning whether any of the Event Handlers cancelled the operation.
(Inherited from BaseGraph.) |
| RaiseTripleAsserted(Triple) |
Helper method for raising the Triple Asserted event manually.
(Inherited from BaseGraph.) |
| RaiseTripleAsserted(TripleEventArgs) |
Helper method for raising the Triple Asserted event manually.
(Inherited from BaseGraph.) |
| RaiseTripleRetracted(Triple) |
Helper method for raising the Triple Retracted event manually.
(Inherited from BaseGraph.) |
| RaiseTripleRetracted(TripleEventArgs) |
Helper method for raising the Triple Retracted event manually.
(Inherited from BaseGraph.) |
| ReadXml |
Reads the data for XML deserialization.
(Inherited from BaseGraph.) |
| ResolveQName |
Helper function for Resolving QNames to URIs.
(Inherited from BaseGraph.) |
| Retract(IEnumerableTriple) |
Retracts a enumeration of Triples from the graph.
(Inherited from Graph.) |
| Retract(Triple) |
Retracts a Triple from the Graph.
(Inherited from Graph.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| UpdateView |
Forces the view to be updated.
|
| UpdateViewInternal |
Abstract method that derived classes should implement to update the view.
|
| WriteXml |
Writes the data for XML serialization.
(Inherited from BaseGraph.) |
Events| Name | Description | |
|---|---|---|
 | Changed |
Event which is raised when the Graph contents change
(Inherited from BaseGraph.) |
| Cleared |
Event which is raised after the Graph is cleared of its contents
(Inherited from BaseGraph.) |
| ClearRequested |
Event which is raised just before the Graph is cleared of its contents
(Inherited from BaseGraph.) |
| Merged |
Event which is raised when a Merge operation is completed on the Graph
(Inherited from BaseGraph.) |
| MergeRequested |
Event which is raised when a Merge operation is requested on the Graph
(Inherited from BaseGraph.) |
| TripleAsserted |
Event which is raised when a Triple is asserted in the Graph
(Inherited from BaseGraph.) |
| TripleRetracted |
Event which is raised when a Triple is retracted from the Graph
(Inherited from BaseGraph.) |
Fields| Name | Description | |
|---|---|---|
 | _baseuri |
Base Uri of the Graph.
(Inherited from BaseGraph.) |
| _bnodemapper |
Blank Node ID Mapper.
(Inherited from BaseGraph.) |
| _graphs |
Graphs that are mentioned in the Query.
|
| _nsmapper |
Namespace Mapper.
(Inherited from BaseGraph.) |
| _q |
SPARQL Query.
|
| _store |
Triple Store the query operates over.
|
| _triples |
Collection of Triples in the Graph.
(Inherited from BaseGraph.) |
RemarksCONSTRUCT, DESCRIBE or SELECT queries can be used to generate a Graph. If you use a SELECT query the returned variables must contain ?s, ?p and ?o in order to generate a view correctly.
See Also