Class InMemoryDataset

Represents an in-memory dataset (i.e. a InMemoryQueryableStore) for querying and updating using SPARQL.

Inheritance

object

BaseDataset

BaseTransactionalDataset

InMemoryDataset

Implements

IThreadSafeDataset

ISparqlDataset

ITripleIndex

Inherited Members

BaseTransactionalDataset.AddGraph(IGraph)

BaseTransactionalDataset.RemoveGraph(Uri)

BaseTransactionalDataset.RemoveGraph(IRefNode)

BaseTransactionalDataset.this[Uri]

BaseTransactionalDataset.this[IRefNode]

BaseTransactionalDataset.GetModifiableGraph(IRefNode)

BaseTransactionalDataset.Flush()

BaseTransactionalDataset.Discard()

BaseTransactionalDataset.DiscardInternal()

BaseDataset.InternalDefaultGraph

BaseDataset.SetDefaultGraph(Uri)

BaseDataset.SetDefaultGraph(IRefNode)

BaseDataset.SetDefaultGraph(IEnumerable<Uri>)

BaseDataset.SetDefaultGraph(IList<IRefNode>)

BaseDataset.SetActiveGraph(Uri)

BaseDataset.SetActiveGraph(IRefNode)

BaseDataset.SetActiveGraph(IEnumerable<Uri>)

BaseDataset.SetActiveGraph(IList<IRefNode>)

BaseDataset.ResetActiveGraph()

BaseDataset.ResetDefaultGraph()

BaseDataset.DefaultGraphUris

BaseDataset.DefaultGraphNames

BaseDataset.ActiveGraphUris

BaseDataset.ActiveGraphNames

BaseDataset.UsesUnionDefaultGraph

BaseDataset.HasGraph(Uri)

BaseDataset.HasGraph(IRefNode)

BaseDataset.GetModifiableGraph(Uri)

BaseDataset.HasTriples

BaseDataset.ContainsTriple(Triple)

BaseDataset.ContainsQuotedTriple(Triple)

BaseDataset.Triples

BaseDataset.QuotedTriples

BaseDataset.GetTriplesWithPredicate(Uri)

BaseDataset.GetTriplesWithSubject(INode)

BaseDataset.GetTriplesWithSubject(Uri)

BaseDataset.GetQuotedWithSubject(Uri)

BaseDataset.GetQuotedWithSubject(INode)

BaseDataset.GetTriplesWithPredicate(INode)

BaseDataset.GetQuotedWithPredicate(Uri)

BaseDataset.GetQuotedWithPredicate(INode)

BaseDataset.GetTriples(Uri)

BaseDataset.GetTriples(INode)

BaseDataset.GetQuoted(Uri)

BaseDataset.GetQuoted(INode)

BaseDataset.GetTriplesWithObject(Uri)

BaseDataset.GetTriplesWithObject(INode)

BaseDataset.GetQuotedWithObject(Uri)

BaseDataset.GetQuotedWithObject(INode)

BaseDataset.GetTriplesWithSubjectPredicate(INode, INode)

BaseDataset.GetQuotedWithSubjectPredicate(INode, INode)

BaseDataset.GetTriplesWithSubjectObject(INode, INode)

BaseDataset.GetQuotedWithSubjectObject(INode, INode)

BaseDataset.GetTriplesWithPredicateObject(INode, INode)

BaseDataset.GetQuotedWithPredicateObject(INode, INode)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: VDS.RDF.Query.Datasets

Assembly: dotNetRdf.dll

Syntax

public class InMemoryDataset : BaseTransactionalDataset, IThreadSafeDataset, ISparqlDataset, ITripleIndex

Constructors

InMemoryDataset()

Creates a new in-memory dataset using the default in-memory TripleStore as the underlying storage.

Declaration

public InMemoryDataset()

InMemoryDataset(bool)

Creates a new in-memory dataset using the default in-memory TripleStore as the underlying storage.

Declaration

public InMemoryDataset(bool unionDefaultGraph)

Parameters

Type	Name	Description
bool	unionDefaultGraph	Whether the Default Graph when no Active/Default Graph is explicitly set should be the union of all Graphs in the Dataset.

InMemoryDataset(IGraph)

Creates a new in-memory dataset containing initially just the given graph and treating the given graph as the default graph of the dataset.

Declaration

public InMemoryDataset(IGraph g)

Parameters

Type	Name	Description
IGraph	g	Graph.

InMemoryDataset(IInMemoryQueryableStore)

Creates a new In-Memory dataset.

Declaration

public InMemoryDataset(IInMemoryQueryableStore store)

Parameters

Type	Name	Description
IInMemoryQueryableStore	store	In-Memory queryable store.

InMemoryDataset(IInMemoryQueryableStore, bool)

Creates a new In-Memory dataset.

Declaration

public InMemoryDataset(IInMemoryQueryableStore store, bool unionDefaultGraph)

Parameters

Type	Name	Description
IInMemoryQueryableStore	store	In-Memory queryable store.
bool	unionDefaultGraph	Whether the Default Graph when no Active/Default Graph is explicitly set should be the union of all Graphs in the Dataset.

InMemoryDataset(IInMemoryQueryableStore, IRefNode)

Creates a new In-Memory dataset.

Declaration

public InMemoryDataset(IInMemoryQueryableStore store, IRefNode defaultGraphName)

Parameters

Type	Name	Description
IInMemoryQueryableStore	store	In-Memory queryable store.
IRefNode	defaultGraphName	Default Graph URI.

Properties

GraphNames

Gets an enumeration of the names of all graphs in the dataset.

Declaration

public override IEnumerable<IRefNode> GraphNames { get; }

Property Value

Type	Description
IEnumerable<IRefNode>

Overrides

BaseDataset.GraphNames

GraphUris

Gets all the URIs of Graphs in the Dataset.

Declaration

[Obsolete("Replaced by GraphNames")]
public override IEnumerable<Uri> GraphUris { get; }

Property Value

Type	Description
IEnumerable<Uri>

Overrides

BaseDataset.GraphUris

Graphs

Gets all the Graphs in the Dataset.

Declaration

public override IEnumerable<IGraph> Graphs { get; }

Property Value

Type	Description
IEnumerable<IGraph>

Overrides

BaseDataset.Graphs

Lock

Gets the Lock used to ensure MRSW concurrency on the dataset when available.

Declaration

public ReaderWriterLockSlim Lock { get; }

Property Value

Type	Description
ReaderWriterLockSlim

Methods

AddGraphInternal(IGraph)

Adds a Graph to the Dataset merging it with any existing Graph with the same URI.

Declaration

protected override bool AddGraphInternal(IGraph g)

Parameters

Type	Name	Description
IGraph	g	Graph.

Returns

Type	Description
bool

Overrides

BaseTransactionalDataset.AddGraphInternal(IGraph)

ContainsQuotedTripleInternal(Triple)

Gets whether the specified triple is quoted in any graph in the dataset.

Declaration

protected override bool ContainsQuotedTripleInternal(Triple t)

Parameters

Type	Name	Description
Triple	t

Returns

Type	Description
bool

Overrides

BaseDataset.ContainsQuotedTripleInternal(Triple)

ContainsTripleInternal(Triple)

Gets whether the Dataset contains a specific Triple.

Declaration

protected override bool ContainsTripleInternal(Triple t)

Parameters

Type	Name	Description
Triple	t	Triple.

Returns

Type	Description
bool

Overrides

BaseDataset.ContainsTripleInternal(Triple)

FlushInternal()

If there have been changes made to the Dataset and the underlying in-memory store is a ITransactionalStore ensures the underlying store is notified to flush those changes.

Declaration

protected override void FlushInternal()

Overrides

BaseTransactionalDataset.FlushInternal()

GetAllQuotedTriples()

Gets all the quoted triples in the underlying in-memory store.

Declaration

protected override IEnumerable<Triple> GetAllQuotedTriples()

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetAllQuotedTriples()

GetAllTriples()

Gets all the Triples in the underlying in-memory store.

Declaration

protected override IEnumerable<Triple> GetAllTriples()

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetAllTriples()

GetGraphInternal(IRefNode)

Gets the Graph with the given URI from the Dataset.

Declaration

protected override IGraph GetGraphInternal(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Graph URI.

Returns

Type	Description
IGraph

Overrides

BaseDataset.GetGraphInternal(IRefNode)

Remarks

For In-Memory datasets the Graph returned from this property is no different from the Graph returned by the GetModifiableGraphInternal() method.

GetModifiableGraphInternal(IRefNode)

Gets a Modifiable wrapper around a Graph in the Dataset.

Declaration

protected override ITransactionalGraph GetModifiableGraphInternal(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Graph URI.

Returns

Type	Description
ITransactionalGraph

Overrides

BaseTransactionalDataset.GetModifiableGraphInternal(IRefNode)

GetQuotedWithObjectInternal(INode)

Gets all the quoted triples in the dataset with the given object.

Declaration

protected override IEnumerable<Triple> GetQuotedWithObjectInternal(INode obj)

Parameters

Type	Name	Description
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetQuotedWithObjectInternal(INode)

GetQuotedWithPredicateInternal(INode)

Get all the quoted triples in the dataset with the given predicate.

Declaration

protected override IEnumerable<Triple> GetQuotedWithPredicateInternal(INode predicate)

Parameters

Type	Name	Description
INode	predicate

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetQuotedWithPredicateInternal(INode)

GetQuotedWithPredicateObjectInternal(INode, INode)

Gets all the quoted triples in the dataset with the given predicate and object.

Declaration

protected override IEnumerable<Triple> GetQuotedWithPredicateObjectInternal(INode pred, INode obj)

Parameters

Type	Name	Description
INode	pred	Predicate.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetQuotedWithPredicateObjectInternal(INode, INode)

GetQuotedWithSubjectInternal(INode)

Get all the quoted triples in the dataset with the given subject.

Declaration

protected override IEnumerable<Triple> GetQuotedWithSubjectInternal(INode subj)

Parameters

Type	Name	Description
INode	subj	Subject.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetQuotedWithSubjectInternal(INode)

GetQuotedWithSubjectObjectInternal(INode, INode)

Gets all the quoted triples in the dataset with the given subject and object.

Declaration

protected override IEnumerable<Triple> GetQuotedWithSubjectObjectInternal(INode subj, INode obj)

Parameters

Type	Name	Description
INode	subj	Subject.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetQuotedWithSubjectObjectInternal(INode, INode)

GetQuotedWithSubjectPredicateInternal(INode, INode)

Gets all the quoted triples in the dataset with the given subject and predicate.

Declaration

protected override IEnumerable<Triple> GetQuotedWithSubjectPredicateInternal(INode subj, INode predicate)

Parameters

Type	Name	Description
INode	subj	Subject.
INode	predicate	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetQuotedWithSubjectPredicateInternal(INode, INode)

GetTriplesWithObjectInternal(INode)

Gets all the Triples in the Dataset with the given Object.

Declaration

protected override IEnumerable<Triple> GetTriplesWithObjectInternal(INode obj)

Parameters

Type	Name	Description
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetTriplesWithObjectInternal(INode)

GetTriplesWithPredicateInternal(INode)

Gets all the Triples in the Dataset with the given Predicate.

Declaration

protected override IEnumerable<Triple> GetTriplesWithPredicateInternal(INode predicate)

Parameters

Type	Name	Description
INode	predicate	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetTriplesWithPredicateInternal(INode)

GetTriplesWithPredicateObjectInternal(INode, INode)

Gets all the Triples in the Dataset with the given Predicate and Object.

Declaration

protected override IEnumerable<Triple> GetTriplesWithPredicateObjectInternal(INode pred, INode obj)

Parameters

Type	Name	Description
INode	pred	Predicate.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetTriplesWithPredicateObjectInternal(INode, INode)

GetTriplesWithSubjectInternal(INode)

Gets all the Triples in the Dataset with the given Subject.

Declaration

protected override IEnumerable<Triple> GetTriplesWithSubjectInternal(INode subj)

Parameters

Type	Name	Description
INode	subj	Subject.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetTriplesWithSubjectInternal(INode)

GetTriplesWithSubjectObjectInternal(INode, INode)

Gets all the Triples in the Dataset with the given Subject and Object.

Declaration

protected override IEnumerable<Triple> GetTriplesWithSubjectObjectInternal(INode subj, INode obj)

Parameters

Type	Name	Description
INode	subj	Subject.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetTriplesWithSubjectObjectInternal(INode, INode)

GetTriplesWithSubjectPredicateInternal(INode, INode)

Gets all the Triples in the Dataset with the given Subject and Predicate.

Declaration

protected override IEnumerable<Triple> GetTriplesWithSubjectPredicateInternal(INode subj, INode predicate)

Parameters

Type	Name	Description
INode	subj	Subject.
INode	predicate	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseDataset.GetTriplesWithSubjectPredicateInternal(INode, INode)

HasGraphInternal(IRefNode)

Gets whether a Graph with the given URI is the Dataset.

Declaration

protected override bool HasGraphInternal(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.

Returns

Type	Description
bool

Overrides

BaseDataset.HasGraphInternal(IRefNode)

RemoveGraphInternal(IRefNode)

Removes a Graph from the Dataset.

Declaration

protected override bool RemoveGraphInternal(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.

Returns

Type	Description
bool

Overrides

BaseDataset.RemoveGraphInternal(IRefNode)

Implements

IThreadSafeDataset

ISparqlDataset

ITripleIndex

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)