Class ThreadSafeGraphCollection

Thread Safe decorator around a Graph collection.
Inheritance
System.Object
BaseGraphCollection
WrapperGraphCollection
ThreadSafeGraphCollection
Implements
System.Collections.Generic.IEnumerable<IGraph>
System.Collections.IEnumerable
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 class ThreadSafeGraphCollection : WrapperGraphCollection, IEnumerable<IGraph>, IEnumerable, IDisposable
Remarks
Dependings on your platform this either provides MRSW concurrency via a System.Threading.ReaderWriterLockSlim or exclusive access concurrency via a System.Threading.Monitor.

Constructors

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ThreadSafeGraphCollection()

Creates a new Thread Safe decorator around the default GraphCollection.
Declaration
public ThreadSafeGraphCollection()
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ThreadSafeGraphCollection(BaseGraphCollection)

Creates a new Thread Safe decorator around the supplied graph collection.
Declaration
public ThreadSafeGraphCollection(BaseGraphCollection graphCollection)
Parameters
Type Name Description
BaseGraphCollection graphCollection Graph Collection.

Properties

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Count

Gets the number of Graphs in the Collection.
Declaration
public override int Count { get; }
Property Value
Type Description
System.Int32
Overrides
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GraphUris

Provides access to the Graph URIs of Graphs in the Collection.
Declaration
public override IEnumerable<Uri> GraphUris { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.Uri>
Overrides
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Item[Uri]

Gets a Graph from the Collection.
Declaration
public override IGraph this[Uri graphUri] { get; }
Parameters
Type Name Description
System.Uri graphUri Graph Uri.
Property Value
Type Description
IGraph
Overrides

Methods

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Add(IGraph, Boolean)

Adds a Graph to the Collection.
Declaration
protected override bool Add(IGraph g, bool mergeIfExists)
Parameters
Type Name Description
IGraph g Graph to add.
System.Boolean mergeIfExists Sets whether the Graph should be merged with an existing Graph of the same Uri if present.
Returns
Type Description
System.Boolean
Overrides
Exceptions
Type Condition
RdfException Throws an RDF Exception if the Graph has no Base Uri or if the Graph already exists in the Collection and the mergeIfExists parameter was not set to true.
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Contains(Uri)

Checks whether the Graph with the given Uri exists in this Graph Collection.
Declaration
public override bool Contains(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri Graph Uri to test.
Returns
Type Description
System.Boolean
Overrides
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Dispose()

Disposes of the Graph Collection.
Declaration
public override void Dispose()
Overrides
Remarks
Invokes the Dispose() method of all Graphs contained in the Collection.
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EnterReadLock()

Enters the read lock.
Declaration
protected void EnterReadLock()
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EnterWriteLock()

Enters the write lock.
Declaration
protected void EnterWriteLock()
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ExitReadLock()

Exits the read lock.
Declaration
protected void ExitReadLock()
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ExitWriteLock()

Exits the write lock.
Declaration
protected void ExitWriteLock()
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GetEnumerator()

Gets the Enumerator for the Collection.
Declaration
public override IEnumerator<IGraph> GetEnumerator()
Returns
Type Description
System.Collections.Generic.IEnumerator<IGraph>
Overrides
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Remove(Uri)

Removes a Graph from the Collection.
Declaration
protected override bool Remove(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri Uri of the Graph to remove.
Returns
Type Description
System.Boolean
Overrides

Implements

System.Collections.Generic.IEnumerable<T>
System.Collections.IEnumerable
System.IDisposable

Extension Methods