Class ThreadSafeTripleCollection

Thread Safe decorator for triple collections.

Inheritance
object
BaseTripleCollection
WrapperTripleCollection
ThreadSafeTripleCollection
Implements
Inherited Members
Namespace: VDS.RDF
Assembly: dotNetRdf.dll
Syntax
public class ThreadSafeTripleCollection : WrapperTripleCollection, IEnumerable<Triple>, IEnumerable, IDisposable
Remarks

Depending on the platform this either uses ReaderWriterLockSlim to provide MRSW concurrency or it uses Monitor to provide exclusive access concurrency, either way usage is thread safe.

Constructors

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ThreadSafeTripleCollection()

Creates a new thread safe triple collection which wraps a new instance of the default unindexed TripleCollection.

Declaration
public ThreadSafeTripleCollection()
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ThreadSafeTripleCollection(BaseTripleCollection)

Creates a new thread safe triple collection which wraps the provided triple collection.

Declaration
public ThreadSafeTripleCollection(BaseTripleCollection tripleCollection)
Parameters
Type Name Description
BaseTripleCollection tripleCollection

Triple Collection.

Properties

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Asserted

Gets the triples that are asserted in the collection.

Declaration
public override IEnumerable<Triple> Asserted { get; }
Property Value
Type Description
IEnumerable<Triple>
Overrides
Remarks

This returns the same set of triples as the enumerator on this class, but as an IEnumerable<T> instance.

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Count

Gets the Number of Triples in the Triple Collection.

Declaration
public override int Count { get; }
Property Value
Type Description
int
Overrides
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this[Triple]

Gets the original instance of a specific Triple from the Triple Collection.

Declaration
public override Triple this[Triple t] { get; }
Parameters
Type Name Description
Triple t

Triple.
Property Value
Type Description
Triple
Overrides
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ObjectNodes

Gets all the Nodes which are Objects of Triples in the Triple Collectio.

Declaration
public override IEnumerable<INode> ObjectNodes { get; }
Property Value
Type Description
IEnumerable<INode>
Overrides
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PredicateNodes

Gets all the Nodes which are Predicates of Triples in the Triple Collection.

Declaration
public override IEnumerable<INode> PredicateNodes { get; }
Property Value
Type Description
IEnumerable<INode>
Overrides
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Quoted

Gets the triples that are quoted in the collection.

Declaration
public override IEnumerable<Triple> Quoted { get; }
Property Value
Type Description
IEnumerable<Triple>
Overrides
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QuotedCount

Gets the number of quoted triples in the triple collection.

Declaration
public override int QuotedCount { get; }
Property Value
Type Description
int
Overrides
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QuotedObjectNodes

Gets all the nodes which are subjects of quoted triples in the triple collection.

Declaration
public override IEnumerable<INode> QuotedObjectNodes { get; }
Property Value
Type Description
IEnumerable<INode>
Overrides
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QuotedPredicateNodes

Gets all the nodes which are predicates of quoted triples in the triple collection.

Declaration
public override IEnumerable<INode> QuotedPredicateNodes { get; }
Property Value
Type Description
IEnumerable<INode>
Overrides
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QuotedSubjectNodes

Gets all the nodes which are objects of quoted triples in the triple collection.

Declaration
public override IEnumerable<INode> QuotedSubjectNodes { get; }
Property Value
Type Description
IEnumerable<INode>
Overrides
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SubjectNodes

Gets all the Nodes which are Subjects of Triples in the Triple Collection.

Declaration
public override IEnumerable<INode> SubjectNodes { get; }
Property Value
Type Description
IEnumerable<INode>
Overrides

Methods

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Add(Triple)

Adds a Triple to the Collection.

Declaration
protected override bool Add(Triple t)
Parameters
Type Name Description
Triple t

Triple to add.
Returns
Type Description
bool
Overrides
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Contains(Triple)

Determines whether a given Triple is in the Triple Collection.

Declaration
public override bool Contains(Triple t)
Parameters
Type Name Description
Triple t

The Triple to test.
Returns
Type Description
bool

True if the Triple already exists in the Triple Collection.
Overrides
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ContainsQuoted(Triple)

Determines whether a given triple is quoted by a triple node of a triple in the collection.

Declaration
public override bool ContainsQuoted(Triple t)
Parameters
Type Name Description
Triple t

The triple to test.
Returns
Type Description
bool

True if the triple is quoted in the triple collection, false otherwise.
Overrides
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Delete(Triple)

Deletes a Triple from the Collection.

Declaration
protected override bool Delete(Triple t)
Parameters
Type Name Description
Triple t

Triple to remove.
Returns
Type Description
bool
Overrides
Remarks

Deleting something that doesn't exist has no effect and gives no error.

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Dispose()

Disposes of a Triple Collection.

Declaration
public override void Dispose()
Overrides
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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()

Exists the read lock.

Declaration
protected void ExitReadLock()
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ExitWriteLock()

Exists the write lock.

Declaration
protected void ExitWriteLock()
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GetEnumerator()

Gets the Enumerator for the Collection.

Declaration
public override IEnumerator<Triple> GetEnumerator()
Returns
Type Description
IEnumerator<Triple>
Overrides
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WithObject(INode)

Gets all triples with the given Object.

Declaration
public override IEnumerable<Triple> WithObject(INode obj)
Parameters
Type Name Description
INode obj

Object.
Returns
Type Description
IEnumerable<Triple>
Overrides
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WithPredicate(INode)

Gets all triples with the given predicate.

Declaration
public override IEnumerable<Triple> WithPredicate(INode pred)
Parameters
Type Name Description
INode pred

Predicate.
Returns
Type Description
IEnumerable<Triple>
Overrides
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WithPredicateObject(INode, INode)

Gets all triples with the given predicate object.

Declaration
public override IEnumerable<Triple> WithPredicateObject(INode pred, INode obj)
Parameters
Type Name Description
INode pred

Predicate.
INode obj

Object.
Returns
Type Description
IEnumerable<Triple>
Overrides
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WithSubject(INode)

Gets all the triples with the given subject.

Declaration
public override IEnumerable<Triple> WithSubject(INode subj)
Parameters
Type Name Description
INode subj

Subject.
Returns
Type Description
IEnumerable<Triple>
Overrides
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WithSubjectObject(INode, INode)

Gets all the triples with the given subject and object.

Declaration
public override IEnumerable<Triple> WithSubjectObject(INode subj, INode obj)
Parameters
Type Name Description
INode subj

Subject.
INode obj

Object.
Returns
Type Description
IEnumerable<Triple>
Overrides
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WithSubjectPredicate(INode, INode)

Gets all triples with the given subject and predicate.

Declaration
public override IEnumerable<Triple> WithSubjectPredicate(INode subj, INode pred)
Parameters
Type Name Description
INode subj

Subject.
INode pred

Predicate.
Returns
Type Description
IEnumerable<Triple>
Overrides

Implements

Extension Methods