Class InMemoryQuadDataset

An in-memory dataset that operates in terms of quads, underlying storage is identical to a InMemoryDataset though this dataset should be more performant for queries that access named graphs frequently.

Inheritance

object

BaseQuadDataset

BaseTransactionalQuadDataset

InMemoryQuadDataset

Implements

IThreadSafeDataset

ISparqlDataset

ITripleIndex

Inherited Members

BaseTransactionalQuadDataset.AddGraph(IGraph)

BaseTransactionalQuadDataset.RemoveGraph(Uri)

BaseTransactionalQuadDataset.RemoveGraph(IRefNode)

BaseTransactionalQuadDataset.this[Uri]

BaseTransactionalQuadDataset.this[IRefNode]

BaseTransactionalQuadDataset.GetModifiableGraph(Uri)

BaseTransactionalQuadDataset.GetModifiableGraph(IRefNode)

BaseTransactionalQuadDataset.Flush()

BaseTransactionalQuadDataset.Discard()

BaseTransactionalQuadDataset.DiscardInternal()

BaseQuadDataset.SetActiveGraph(IEnumerable<Uri>)

BaseQuadDataset.SetActiveGraph(IList<IRefNode>)

BaseQuadDataset.SetActiveGraph(Uri)

BaseQuadDataset.SetActiveGraph(IRefNode)

BaseQuadDataset.SetDefaultGraph(Uri)

BaseQuadDataset.SetDefaultGraph(IRefNode)

BaseQuadDataset.SetDefaultGraph(IEnumerable<Uri>)

BaseQuadDataset.SetDefaultGraph(IList<IRefNode>)

BaseQuadDataset.ResetActiveGraph()

BaseQuadDataset.ResetDefaultGraph()

BaseQuadDataset.DefaultGraphUris

BaseQuadDataset.DefaultGraphNames

BaseQuadDataset.ActiveGraphUris

BaseQuadDataset.ActiveGraphNames

BaseQuadDataset.UsesUnionDefaultGraph

BaseQuadDataset.IsDefaultGraph(Uri)

BaseQuadDataset.IsDefaultGraph(IRefNode)

BaseQuadDataset.HasGraph(Uri)

BaseQuadDataset.HasGraph(IRefNode)

BaseQuadDataset.HasTriples

BaseQuadDataset.ContainsTriple(Triple)

BaseQuadDataset.ContainsQuotedTriple(Triple)

BaseQuadDataset.Triples

BaseQuadDataset.QuotedTriples

BaseQuadDataset.GetTriplesWithSubject(INode)

BaseQuadDataset.GetTriplesWithSubject(Uri)

BaseQuadDataset.GetQuotedWithSubject(Uri)

BaseQuadDataset.GetQuotedWithSubject(INode)

BaseQuadDataset.GetTriplesWithPredicate(Uri)

BaseQuadDataset.GetTriplesWithPredicate(INode)

BaseQuadDataset.GetQuotedWithPredicate(Uri)

BaseQuadDataset.GetQuotedWithPredicate(INode)

BaseQuadDataset.GetTriples(Uri)

BaseQuadDataset.GetTriples(INode)

BaseQuadDataset.GetQuoted(Uri)

BaseQuadDataset.GetQuoted(INode)

BaseQuadDataset.GetTriplesWithObject(Uri)

BaseQuadDataset.GetTriplesWithObject(INode)

BaseQuadDataset.GetQuotedWithObject(Uri)

BaseQuadDataset.GetQuotedWithObject(INode)

BaseQuadDataset.GetTriplesWithSubjectPredicate(INode, INode)

BaseQuadDataset.GetQuotedWithSubjectPredicate(INode, INode)

BaseQuadDataset.GetTriplesWithSubjectObject(INode, INode)

BaseQuadDataset.GetQuotedWithSubjectObject(INode, INode)

BaseQuadDataset.GetTriplesWithPredicateObject(INode, INode)

BaseQuadDataset.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 InMemoryQuadDataset : BaseTransactionalQuadDataset, IThreadSafeDataset, ISparqlDataset, ITripleIndex

Constructors

InMemoryQuadDataset()

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

Declaration

public InMemoryQuadDataset()

InMemoryQuadDataset(bool)

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

Declaration

public InMemoryQuadDataset(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.

InMemoryQuadDataset(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 InMemoryQuadDataset(IGraph g)

Parameters

Type	Name	Description
IGraph	g	Graph.

InMemoryQuadDataset(IInMemoryQueryableStore)

Creates a new In-Memory dataset.

Declaration

public InMemoryQuadDataset(IInMemoryQueryableStore store)

Parameters

Type	Name	Description
IInMemoryQueryableStore	store	In-Memory queryable store.

InMemoryQuadDataset(IInMemoryQueryableStore, bool)

Creates a new In-Memory dataset.

Declaration

public InMemoryQuadDataset(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.

InMemoryQuadDataset(IInMemoryQueryableStore, Uri)

Creates a new In-Memory dataset.

Declaration

public InMemoryQuadDataset(IInMemoryQueryableStore store, Uri defaultGraphUri)

Parameters

Type	Name	Description
IInMemoryQueryableStore	store	In-Memory queryable store.
Uri	defaultGraphUri	Default Graph URI.

InMemoryQuadDataset(IInMemoryQueryableStore, IRefNode)

Creates a new In-Memory dataset.

Declaration

public InMemoryQuadDataset(IInMemoryQueryableStore store, IRefNode defaultGraphName)

Parameters

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

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

BaseQuadDataset.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

BaseQuadDataset.GraphUris

Graphs

Gets all the Graphs in the Dataset.

Declaration

public override IEnumerable<IGraph> Graphs { get; }

Property Value

Type	Description
IEnumerable<IGraph>

Overrides

BaseQuadDataset.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

BaseTransactionalQuadDataset.AddGraphInternal(IGraph)

AddQuad(Uri, Triple)

Adds a quad to the dataset.

Declaration

[Obsolete("Replaced by AddQuad(IRefNode, Triple)")]
public override bool AddQuad(Uri graphUri, Triple t)

Parameters

Type	Name	Description
Uri	graphUri	Graph URI.
Triple	t	Triple.

Returns

Type	Description
bool

Overrides

BaseQuadDataset.AddQuad(Uri, Triple)

AddQuad(IRefNode, Triple)

Adds a Quad to the Dataset.

Declaration

public override bool AddQuad(IRefNode graphName, Triple t)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
Triple	t	Triple.

Returns

Type	Description
bool

Overrides

BaseQuadDataset.AddQuad(IRefNode, Triple)

ContainsQuad(IRefNode, Triple)

Gets whether a triple is asserted in a specific graph of the dataset.

Declaration

public override bool ContainsQuad(IRefNode graphName, Triple t)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
Triple	t	Triple.

Returns

Type	Description
bool

Overrides

BaseQuadDataset.ContainsQuad(IRefNode, Triple)

ContainsQuoted(IRefNode, Triple)

Gets whether a triple is quoted in a specified graph of the dataset.

Declaration

public override bool ContainsQuoted(IRefNode graphName, Triple t)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
Triple	t	Triple.

Returns

Type	Description
bool	True if t is quoted in the graph, false otherwise.

Overrides

BaseQuadDataset.ContainsQuoted(IRefNode, Triple)

FlushInternal()

Flushes any changes to the store.

Declaration

protected override void FlushInternal()

Overrides

BaseTransactionalQuadDataset.FlushInternal()

GetGraphInternal(IRefNode)

Gets the Graph with the given URI from the Dataset.

Declaration

protected override IGraph GetGraphInternal(IRefNode graphUri)

Parameters

Type	Name	Description
IRefNode	graphUri	Graph URI.

Returns

Type	Description
IGraph

Overrides

BaseQuadDataset.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 graphUri)

Parameters

Type	Name	Description
IRefNode	graphUri	Graph URI.

Returns

Type	Description
ITransactionalGraph

Overrides

BaseTransactionalQuadDataset.GetModifiableGraphInternal(IRefNode)

GetQuads(IRefNode)

Gets all asserted triples for a given graph.

Declaration

public override IEnumerable<Triple> GetQuads(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuads(IRefNode)

GetQuadsWithObject(IRefNode, INode)

Gets all Quads with a given object.

Declaration

public override IEnumerable<Triple> GetQuadsWithObject(IRefNode graphName, INode obj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuadsWithObject(IRefNode, INode)

GetQuadsWithPredicate(IRefNode, INode)

Gets all Quads with a given predicate.

Declaration

public override IEnumerable<Triple> GetQuadsWithPredicate(IRefNode graphName, INode pred)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	pred	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuadsWithPredicate(IRefNode, INode)

GetQuadsWithPredicateObject(IRefNode, INode, INode)

Gets all Quads with a given predicate and object.

Declaration

public override IEnumerable<Triple> GetQuadsWithPredicateObject(IRefNode graphName, INode pred, INode obj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph URI.
INode	pred	Predicate.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuadsWithPredicateObject(IRefNode, INode, INode)

GetQuadsWithSubject(IRefNode, INode)

Gets all Quads with a given subject.

Declaration

public override IEnumerable<Triple> GetQuadsWithSubject(IRefNode graphName, INode subj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph URI.
INode	subj	Subject.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuadsWithSubject(IRefNode, INode)

GetQuadsWithSubjectObject(IRefNode, INode, INode)

Gets all Quads with a given subject and object.

Declaration

public override IEnumerable<Triple> GetQuadsWithSubjectObject(IRefNode graphName, INode subj, INode obj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph URI.
INode	subj	Subject.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuadsWithSubjectObject(IRefNode, INode, INode)

GetQuadsWithSubjectPredicate(IRefNode, INode, INode)

Gets all Quads with a given subject and predicate.

Declaration

public override IEnumerable<Triple> GetQuadsWithSubjectPredicate(IRefNode graphName, INode subj, INode pred)

Parameters

Type	Name	Description
IRefNode	graphName	Graph URI.
INode	subj	Subject.
INode	pred	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuadsWithSubjectPredicate(IRefNode, INode, INode)

GetQuoted(IRefNode)

Gets all quoted triples for a given graph.

Declaration

public override IEnumerable<Triple> GetQuoted(IRefNode graphName)

Parameters

Type	Name	Description
IRefNode	graphName

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuoted(IRefNode)

GetQuotedWithObject(IRefNode, INode)

Get the quoted triples with a given object in the specified graph.

Declaration

public override IEnumerable<Triple> GetQuotedWithObject(IRefNode graphName, INode obj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuotedWithObject(IRefNode, INode)

GetQuotedWithPredicate(IRefNode, INode)

Gets all the quoted triples in the specified graph that have the specified predicate.

Declaration

public override IEnumerable<Triple> GetQuotedWithPredicate(IRefNode graphName, INode pred)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	pred	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuotedWithPredicate(IRefNode, INode)

GetQuotedWithPredicateObject(IRefNode, INode, INode)

Get all the quoted triples in the specified graph that have the specified predicate and object.

Declaration

public override IEnumerable<Triple> GetQuotedWithPredicateObject(IRefNode graphName, INode pred, INode obj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	pred	Predicate.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuotedWithPredicateObject(IRefNode, INode, INode)

GetQuotedWithSubject(IRefNode, INode)

Get all the quoted triples in the specified graph that have the specified subject.

Declaration

public override IEnumerable<Triple> GetQuotedWithSubject(IRefNode graphName, INode subj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	subj	Subject.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuotedWithSubject(IRefNode, INode)

GetQuotedWithSubjectObject(IRefNode, INode, INode)

Get all the quoted triples in the specified graph that have the specified subject and object.

Declaration

public override IEnumerable<Triple> GetQuotedWithSubjectObject(IRefNode graphName, INode subj, INode obj)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	subj	Subject.
INode	obj	Object.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuotedWithSubjectObject(IRefNode, INode, INode)

GetQuotedWithSubjectPredicate(IRefNode, INode, INode)

Get all the quoted triples in the specified graph that have the specified subject and predicate.

Declaration

public override IEnumerable<Triple> GetQuotedWithSubjectPredicate(IRefNode graphName, INode subj, INode pred)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
INode	subj	Subject.
INode	pred	Predicate.

Returns

Type	Description
IEnumerable<Triple>

Overrides

BaseQuadDataset.GetQuotedWithSubjectPredicate(IRefNode, INode, INode)

HasGraphInternal(IRefNode)

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

Declaration

protected override bool HasGraphInternal(IRefNode graphUri)

Parameters

Type	Name	Description
IRefNode	graphUri	Graph URI.

Returns

Type	Description
bool

Overrides

BaseQuadDataset.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

BaseTransactionalQuadDataset.RemoveGraphInternal(IRefNode)

RemoveQuad(Uri, Triple)

Removes a quad from the dataset.

Declaration

[Obsolete("Replaced by RemoveQuad(IRefNode, Triple)")]
public override bool RemoveQuad(Uri graphUri, Triple t)

Parameters

Type	Name	Description
Uri	graphUri	Graph URI.
Triple	t	Triple.

Returns

Type	Description
bool

Overrides

BaseQuadDataset.RemoveQuad(Uri, Triple)

RemoveQuad(IRefNode, Triple)

Removes a quad from the dataset.

Declaration

public override bool RemoveQuad(IRefNode graphName, Triple t)

Parameters

Type	Name	Description
IRefNode	graphName	Graph name.
Triple	t	Triple to remove.

Returns

Type	Description
bool

Overrides

BaseQuadDataset.RemoveQuad(IRefNode, Triple)

Implements

IThreadSafeDataset

ISparqlDataset

ITripleIndex

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)