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Class BaseTripleStore

Abstract Base Class for a Triple Store.
Inheritance
System.Object
BaseTripleStore
PersistentTripleStore
TripleStore
Implements
ITripleStore
System.IDisposable
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)
System.Object.ToString()
Namespace: VDS.RDF
Assembly: dotNetRDF.dll
Syntax
public abstract class BaseTripleStore : ITripleStore, IDisposable

Constructors

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BaseTripleStore(BaseGraphCollection)

Creates a new Base Triple Store.
Declaration
protected BaseTripleStore(BaseGraphCollection graphCollection)
Parameters
Type Name Description
BaseGraphCollection graphCollection Graph Collection to use.

Fields

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_graphs

Collection of Graphs that comprise the Triple Store.
Declaration
protected BaseGraphCollection _graphs
Field Value
Type Description
BaseGraphCollection

Properties

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Graphs

Gets the Collection of Graphs that comprise this Triple Store.
Declaration
public BaseGraphCollection Graphs { get; }
Property Value
Type Description
BaseGraphCollection
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IsEmpty

Gets whether the Triple Store is empty.
Declaration
public virtual bool IsEmpty { get; }
Property Value
Type Description
System.Boolean
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Item[Uri]

Gets the Graph with the given URI.
Declaration
public IGraph this[Uri graphUri] { get; }
Parameters
Type Name Description
System.Uri graphUri Graph URI.
Property Value
Type Description
IGraph
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Triples

Gets all the Triples in the Triple Store.
Declaration
public IEnumerable<Triple> Triples { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<Triple>

Methods

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Add(IGraph)

Adds a Graph into the Triple Store.
Declaration
public virtual bool Add(IGraph g)
Parameters
Type Name Description
IGraph g Graph to add.
Returns
Type Description
System.Boolean
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Add(IGraph, Boolean)

Adds a Graph into the Triple Store using the chosen Merging Behaviour.
Declaration
public virtual bool Add(IGraph g, bool mergeIfExists)
Parameters
Type Name Description
IGraph g Graph to add.
System.Boolean mergeIfExists Whether the Graph should be merged with an existing Graph with the same Base Uri.
Returns
Type Description
System.Boolean
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AddFromUri(Uri)

Adds a Graph into the Triple Store which is retrieved from the given Uri.
Declaration
public virtual bool AddFromUri(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri Uri of the Graph to load.
Returns
Type Description
System.Boolean
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AddFromUri(Uri, Boolean)

Adds a Graph into the Triple Store which is retrieved from the given Uri using the chosen Merging Behaviour.
Declaration
public virtual bool AddFromUri(Uri graphUri, bool mergeIfExists)
Parameters
Type Name Description
System.Uri graphUri Graph to add.
System.Boolean mergeIfExists Whether the Graph should be merged with an existing Graph with the same Base Uri.
Returns
Type Description
System.Boolean
Remarks
Important: Under Silverlight/Windows Phone 7 this will happen asynchronously so the Graph may not be immediatedly available in the store.
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AttachEventHandlers(IGraph)

Helper method which attaches the Triple Store's Event Handlers to the relevant events of a Graph.
Declaration
protected void AttachEventHandlers(IGraph g)
Parameters
Type Name Description
IGraph g Graph.
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DetachEventHandlers(IGraph)

Helper method which detaches the Triple Store's Event Handlers from the relevant events of a Graph.
Declaration
protected void DetachEventHandlers(IGraph g)
Parameters
Type Name Description
IGraph g
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Dispose()

Disposes of the Triple Store.
Declaration
public abstract void Dispose()
Remarks
Derived classes must override this to implement required disposal actions.
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HasGraph(Uri)

Checks whether a Graph with the given Base Uri exists in the Triple Store.
Declaration
public bool HasGraph(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri Graph Uri.
Returns
Type Description
System.Boolean True if the Graph exists in the Triple Store.
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OnGraphAdded(Object, GraphEventArgs)

Event Handler which handles the GraphAdded event from the underlying Graph Collection and raises the Triple Store's GraphAdded event.
Declaration
protected virtual void OnGraphAdded(object sender, GraphEventArgs args)
Parameters
Type Name Description
System.Object sender Sender.
GraphEventArgs args Graph Event Arguments.
Remarks
Override this method if your Triple Store implementation wishes to take additional actions when a Graph is added to the Store.
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OnGraphChanged(Object, GraphEventArgs)

Event Handler which handles the Changed event of the contained Graphs by raising the Triple Store's GraphChanged event.
Declaration
protected virtual void OnGraphChanged(object sender, GraphEventArgs args)
Parameters
Type Name Description
System.Object sender Sender.
GraphEventArgs args Graph Event Arguments.
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OnGraphCleared(Object, GraphEventArgs)

Event Handler which handles the Cleared event of the contained Graphs by raising the Triple Stores's GraphCleared event.
Declaration
protected virtual void OnGraphCleared(object sender, GraphEventArgs args)
Parameters
Type Name Description
System.Object sender Sender.
GraphEventArgs args Graph Event Arguments.
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OnGraphMerged(Object, GraphEventArgs)

Event Handler which handles the Merged event of the contained Graphs by raising the Triple Store's GraphMerged event.
Declaration
protected virtual void OnGraphMerged(object sender, GraphEventArgs args)
Parameters
Type Name Description
System.Object sender Sender.
GraphEventArgs args Graph Event Arguments.
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OnGraphRemoved(Object, GraphEventArgs)

Event Handler which handles the GraphRemoved event from the underlying Graph Collection and raises the Triple Stores's GraphRemoved event.
Declaration
protected virtual void OnGraphRemoved(object sender, GraphEventArgs args)
Parameters
Type Name Description
System.Object sender Sender.
GraphEventArgs args Graph Event Arguments.
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RaiseGraphAdded(GraphEventArgs)

Helper method for raising the GraphAdded event manually.
Declaration
protected void RaiseGraphAdded(GraphEventArgs args)
Parameters
Type Name Description
GraphEventArgs args Graph Event Arguments.
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RaiseGraphAdded(IGraph)

Helper method for raising the GraphAdded event manually.
Declaration
protected void RaiseGraphAdded(IGraph g)
Parameters
Type Name Description
IGraph g Graph.
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RaiseGraphChanged(GraphEventArgs)

Helper method for raising the GraphChanged event manually.
Declaration
protected void RaiseGraphChanged(GraphEventArgs args)
Parameters
Type Name Description
GraphEventArgs args Graph Event Arguments.
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RaiseGraphChanged(IGraph)

Helper method for raising the GraphChanged event manually.
Declaration
protected void RaiseGraphChanged(IGraph g)
Parameters
Type Name Description
IGraph g Graph.
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RaiseGraphCleared(GraphEventArgs)

Helper method for raising the GraphCleared event manually.
Declaration
protected void RaiseGraphCleared(GraphEventArgs args)
Parameters
Type Name Description
GraphEventArgs args Graph Event Arguments.
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RaiseGraphMerged(GraphEventArgs)

Helper method for raising the GraphMerged event manually.
Declaration
protected void RaiseGraphMerged(GraphEventArgs args)
Parameters
Type Name Description
GraphEventArgs args Graph Event Arguments.
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RaiseGraphRemoved(GraphEventArgs)

Helper method for raising the GraphRemoved event manually.
Declaration
protected void RaiseGraphRemoved(GraphEventArgs args)
Parameters
Type Name Description
GraphEventArgs args Graph Event Arguments.
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RaiseGraphRemoved(IGraph)

Helper method for raising the GraphRemoved event manually.
Declaration
protected void RaiseGraphRemoved(IGraph g)
Parameters
Type Name Description
IGraph g Graph.
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Remove(Uri)

Removes a Graph from the Triple Store.
Declaration
public virtual bool Remove(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri Uri of the Graph to Remove.
Returns
Type Description
System.Boolean

Events

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GraphAdded

Event which is raised when a Graph is added
Declaration
public event TripleStoreEventHandler GraphAdded
Event Type
Type Description
TripleStoreEventHandler
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GraphChanged

Event which is raised when a Graphs contents changes
Declaration
public event TripleStoreEventHandler GraphChanged
Event Type
Type Description
TripleStoreEventHandler
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GraphCleared

Event which is raised when a Graph is cleared
Declaration
public event TripleStoreEventHandler GraphCleared
Event Type
Type Description
TripleStoreEventHandler
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GraphMerged

Event which is raised when a Graph has a merge operation performed on it
Declaration
public event TripleStoreEventHandler GraphMerged
Event Type
Type Description
TripleStoreEventHandler
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GraphRemoved

Event which is raised when a Graph is removed
Declaration
public event TripleStoreEventHandler GraphRemoved
Event Type
Type Description
TripleStoreEventHandler

Implements

ITripleStore
System.IDisposable

Extension Methods

Extensions.AsEnumerable<T>(T)
TripleStoreExtensions.LoadFromFile(ITripleStore, String, IStoreReader)
TripleStoreExtensions.LoadFromFile(ITripleStore, String)
TripleStoreExtensions.LoadFromUri(ITripleStore, Uri, IStoreReader)
TripleStoreExtensions.LoadFromUri(ITripleStore, Uri)
TripleStoreExtensions.LoadFromString(ITripleStore, String, IStoreReader)
TripleStoreExtensions.LoadFromString(ITripleStore, String)
TripleStoreExtensions.LoadFromEmbeddedResource(ITripleStore, String, IStoreReader)
TripleStoreExtensions.LoadFromEmbeddedResource(ITripleStore, String)
TripleStoreExtensions.SaveToFile(ITripleStore, String, IStoreWriter)
TripleStoreExtensions.SaveToFile(ITripleStore, String)
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In This Article
  • Constructors
    • BaseTripleStore(BaseGraphCollection)
  • Fields
    • _graphs
  • Properties
    • Graphs
    • IsEmpty
    • Item[Uri]
    • Triples
  • Methods
    • Add(IGraph)
    • Add(IGraph, Boolean)
    • AddFromUri(Uri)
    • AddFromUri(Uri, Boolean)
    • AttachEventHandlers(IGraph)
    • DetachEventHandlers(IGraph)
    • Dispose()
    • HasGraph(Uri)
    • OnGraphAdded(Object, GraphEventArgs)
    • OnGraphChanged(Object, GraphEventArgs)
    • OnGraphCleared(Object, GraphEventArgs)
    • OnGraphMerged(Object, GraphEventArgs)
    • OnGraphRemoved(Object, GraphEventArgs)
    • RaiseGraphAdded(GraphEventArgs)
    • RaiseGraphAdded(IGraph)
    • RaiseGraphChanged(GraphEventArgs)
    • RaiseGraphChanged(IGraph)
    • RaiseGraphCleared(GraphEventArgs)
    • RaiseGraphMerged(GraphEventArgs)
    • RaiseGraphRemoved(GraphEventArgs)
    • RaiseGraphRemoved(IGraph)
    • Remove(Uri)
  • Events
    • GraphAdded
    • GraphChanged
    • GraphCleared
    • GraphMerged
    • GraphRemoved
  • Implements
  • Extension Methods
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