Class ThreadSafeGraphCollection

Thread Safe decorator around a Graph collection.

Inheritance

System.Object

BaseGraphCollection

WrapperGraphCollection

ThreadSafeGraphCollection

Implements

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

System.Collections.IEnumerable

System.IDisposable

Inherited Members

WrapperGraphCollection._graphs

BaseGraphCollection.GraphAdded

BaseGraphCollection.GraphRemoved

BaseGraphCollection.RaiseGraphAdded(IGraph)

BaseGraphCollection.RaiseGraphRemoved(IGraph)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: VDS.RDF

Assembly: dotNetRdf.dll

Syntax

public class ThreadSafeGraphCollection : WrapperGraphCollection, IEnumerable<IGraph>, IEnumerable, IDisposable

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

Constructors

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ThreadSafeGraphCollection()

Creates a new Thread Safe decorator around the default GraphCollection.

Declaration

public ThreadSafeGraphCollection()

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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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.

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

Properties

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Count

Gets the number of Graphs in the Collection.

Declaration

public override int Count { get; }

Property Value

Type	Description
int

Overrides

WrapperGraphCollection.Count

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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GraphNames

Provides an enumeration of the names of all of teh graphs in the collection.

Declaration

public override IEnumerable<IRefNode> GraphNames { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<T><IRefNode>

Overrides

WrapperGraphCollection.GraphNames

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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GraphUris

Provides access to the Graph URIs of Graphs in the Collection.

Declaration

[Obsolete]
public override IEnumerable<Uri> GraphUris { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<T><System.Uri>

Overrides

WrapperGraphCollection.GraphUris

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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this[Uri]

Gets a Graph from the Collection.

Declaration

[Obsolete]
public override IGraph this[Uri graphUri] { get; }

Parameters

Type	Name	Description
System.Uri	graphUri	Graph Uri.

Property Value

Type	Description
IGraph

Overrides

WrapperGraphCollection.this[Uri]

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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this[IRefNode]

Gets a graph from the collection.

Declaration

public override IGraph this[IRefNode graphName] { get; }

Parameters

Type	Name	Description
IRefNode	graphName	The name of the graph to retrieve.

Property Value

Type	Description
IGraph

Overrides

WrapperGraphCollection.this[IRefNode]

Remarks

The null value is used to reference the default graph.

Methods

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Add(IGraph, bool)

Adds a Graph to the Collection.

Declaration

public 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

WrapperGraphCollection.Add(IGraph, bool)

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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

[Obsolete]
public override bool Contains(Uri graphUri)

Parameters

Type	Name	Description
System.Uri	graphUri	Graph Uri to test.

Returns

Type	Description
System.Boolean

Overrides

WrapperGraphCollection.Contains(Uri)

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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Contains(IRefNode)

Checks whether the graph with the given name exists in this graph collection.

Declaration

public override bool Contains(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name to test for.

Returns

Type	Description
System.Boolean	True if a graph with the specified name is in the collection, false otherwise.

Overrides

WrapperGraphCollection.Contains(IRefNode)

Remarks

The null value is used to reference the default (unnamed) graph.

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Dispose()

Disposes of the Graph Collection.

Declaration

public override void Dispose()

Overrides

WrapperGraphCollection.Dispose()

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()

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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EnterWriteLock()

Enters the write lock.

Declaration

protected void EnterWriteLock()

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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ExitReadLock()

Exits the read lock.

Declaration

protected void ExitReadLock()

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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ExitWriteLock()

Exits the write lock.

Declaration

protected void ExitWriteLock()

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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GetEnumerator()

Gets the Enumerator for the Collection.

Declaration

public override IEnumerator<IGraph> GetEnumerator()

Returns

Type	Description
System.Collections.Generic.IEnumerator<T><IGraph>

Overrides

WrapperGraphCollection.GetEnumerator()

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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Remove(Uri)

Removes a Graph from the Collection.

Declaration

[Obsolete]
public override bool Remove(Uri graphUri)

Parameters

Type	Name	Description
System.Uri	graphUri	Uri of the Graph to remove.

Returns

Type	Description
System.Boolean

Overrides

WrapperGraphCollection.Remove(Uri)

Remarks

Provides concurrency via a System.Threading.ReaderWriterLockSlim.

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Remove(IRefNode)

Removes a graph from the collection.

Declaration

public override bool Remove(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Name of the Graph to remove.

Returns

Type	Description
System.Boolean

Overrides

WrapperGraphCollection.Remove(IRefNode)

Remarks

The null value is used to reference the Default Graph.

Implements

System.Collections.Generic.IEnumerable<T>

System.Collections.IEnumerable

System.IDisposable

Extension Methods

Extensions.ChunkBy<T>(IEnumerable<T>, int)

Extensions.IsDisjoint<T>(IEnumerable<T>, IEnumerable<T>)

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)