Class ReadOnlyConnector

Provides a Read-Only wrapper that can be placed around another IStorageProvider instance.
Inheritance
System.Object
ReadOnlyConnector
QueryableReadOnlyConnector
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: VDS.RDF.Storage
Assembly: dotNetRDF.dll
Syntax
public class ReadOnlyConnector : IStorageProvider, IStorageCapabilities, IDisposable, IConfigurationSerializable
Remarks

This is useful if you want to allow some code read-only access to a mutable store and ensure that it cannot modify the store via the manager instance.

Constructors

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ReadOnlyConnector(IStorageProvider)

Creates a new Read-Only connection which is a read-only wrapper around another store.
Declaration
public ReadOnlyConnector(IStorageProvider manager)
Parameters
Type Name Description
IStorageProvider manager Manager for the Store you want to wrap as read-only.

Properties

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DeleteSupported

Returns that deleting graphs is not supported.
Declaration
public bool DeleteSupported { get; }
Property Value
Type Description
System.Boolean
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IOBehaviour

Gets the IO Behaviour of the read-only connection taking into account the IO Behaviour of the underlying store.
Declaration
public IOBehaviour IOBehaviour { get; }
Property Value
Type Description
IOBehaviour
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IsReadOnly

Returns that the Store is read-only.
Declaration
public bool IsReadOnly { get; }
Property Value
Type Description
System.Boolean
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IsReady

Returns whether the Store is ready.
Declaration
public bool IsReady { get; }
Property Value
Type Description
System.Boolean
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ListGraphsSupported

Returns whether listing graphs is supported by the underlying store.
Declaration
public virtual bool ListGraphsSupported { get; }
Property Value
Type Description
System.Boolean
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ParentServer

Gets the parent server (if any).
Declaration
public virtual IStorageServer ParentServer { get; }
Property Value
Type Description
IStorageServer
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UpdateSupported

Returns that Update is not supported.
Declaration
public bool UpdateSupported { get; }
Property Value
Type Description
System.Boolean

Methods

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DeleteGraph(String)

Throws an exception as you cannot delete a Graph using a read-only connection.
Declaration
public void DeleteGraph(string graphUri)
Parameters
Type Name Description
System.String graphUri URI of the Graph to delete.
Exceptions
Type Condition
RdfStorageException Thrown since you cannot delete a Graph using a read-only connection.
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DeleteGraph(Uri)

Throws an exception as you cannot delete a Graph using a read-only connection.
Declaration
public void DeleteGraph(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri URI of the Graph to delete.
Exceptions
Type Condition
RdfStorageException Thrown since you cannot delete a Graph using a read-only connection.
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Dispose()

Disposes of the Store.
Declaration
public void Dispose()
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ListGraphs()

Gets the list of graphs in the underlying store.
Declaration
public virtual IEnumerable<Uri> ListGraphs()
Returns
Type Description
System.Collections.Generic.IEnumerable<System.Uri>
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LoadGraph(IGraph, String)

Loads a Graph from the underlying Store.
Declaration
public void LoadGraph(IGraph g, string graphUri)
Parameters
Type Name Description
IGraph g Graph to load into.
System.String graphUri URI of the Graph to load.
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LoadGraph(IGraph, Uri)

Loads a Graph from the underlying Store.
Declaration
public void LoadGraph(IGraph g, Uri graphUri)
Parameters
Type Name Description
IGraph g Graph to load into.
System.Uri graphUri URI of the Graph to load.
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LoadGraph(IRdfHandler, String)

Loads a Graph from the underlying Store.
Declaration
public void LoadGraph(IRdfHandler handler, string graphUri)
Parameters
Type Name Description
IRdfHandler handler RDF Handler.
System.String graphUri URI of the Graph to load.
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LoadGraph(IRdfHandler, Uri)

Loads a Graph from the underlying Store.
Declaration
public void LoadGraph(IRdfHandler handler, Uri graphUri)
Parameters
Type Name Description
IRdfHandler handler RDF Handler.
System.Uri graphUri URI of the Graph to load.
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SaveGraph(IGraph)

Throws an exception since you cannot save a Graph using a read-only connection.
Declaration
public void SaveGraph(IGraph g)
Parameters
Type Name Description
IGraph g Graph to save.
Exceptions
Type Condition
RdfStorageException Thrown since you cannot save a Graph using a read-only connection.
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SerializeConfiguration(ConfigurationSerializationContext)

Serializes the Configuration of the Manager.
Declaration
public virtual void SerializeConfiguration(ConfigurationSerializationContext context)
Parameters
Type Name Description
ConfigurationSerializationContext context Configuration Serialization Context.
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ToString()

Gets the String representation of the Manager.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()
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UpdateGraph(String, IEnumerable<Triple>, IEnumerable<Triple>)

Throws an exception since you cannot update a Graph using a read-only connection.
Declaration
public void UpdateGraph(string graphUri, IEnumerable<Triple> additions, IEnumerable<Triple> removals)
Parameters
Type Name Description
System.String graphUri URI of the Graph.
System.Collections.Generic.IEnumerable<Triple> additions Triples to be added.
System.Collections.Generic.IEnumerable<Triple> removals Triples to be removed.
Exceptions
Type Condition
RdfStorageException Thrown since you cannot update a Graph using a read-only connection.
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UpdateGraph(Uri, IEnumerable<Triple>, IEnumerable<Triple>)

Throws an exception since you cannot update a Graph using a read-only connection.
Declaration
public void UpdateGraph(Uri graphUri, IEnumerable<Triple> additions, IEnumerable<Triple> removals)
Parameters
Type Name Description
System.Uri graphUri URI of the Graph.
System.Collections.Generic.IEnumerable<Triple> additions Triples to be added.
System.Collections.Generic.IEnumerable<Triple> removals Triples to be removed.
Exceptions
Type Condition
RdfStorageException Thrown since you cannot update a Graph using a read-only connection.

Implements

System.IDisposable

Extension Methods