Class TreeIndexedTripleCollection

An indexed triple collection that uses our VDS.Common.Collections.MultiDictionary<TKey, TValue> and VDS.Common.Trees.BinaryTree`2 implementations under the hood for the index structures.

Inheritance

System.Object

BaseTripleCollection

AbstractIndexedTripleCollection

TreeIndexedTripleCollection

Implements

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

System.Collections.IEnumerable

System.IDisposable

Inherited Members

AbstractIndexedTripleCollection.Triples

AbstractIndexedTripleCollection.Count

AbstractIndexedTripleCollection.QuotedCount

AbstractIndexedTripleCollection.Contains(Triple)

AbstractIndexedTripleCollection.ContainsQuoted(Triple)

AbstractIndexedTripleCollection.GetEnumerator()

AbstractIndexedTripleCollection.Asserted

AbstractIndexedTripleCollection.Quoted

AbstractIndexedTripleCollection.Add(Triple)

AbstractIndexedTripleCollection.Delete(Triple)

AbstractIndexedTripleCollection.AddQuoted(ITripleNode)

AbstractIndexedTripleCollection.RemoveQuoted(ITripleNode)

BaseTripleCollection.TripleAdded

BaseTripleCollection.TripleRemoved

BaseTripleCollection.RaiseTripleAdded(Triple)

BaseTripleCollection.RaiseTripleRemoved(Triple)

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 TreeIndexedTripleCollection : AbstractIndexedTripleCollection, IEnumerable<Triple>, IEnumerable, IDisposable

Constructors

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TreeIndexedTripleCollection()

Creates a new Tree Indexed triple collection.

Declaration

public TreeIndexedTripleCollection()

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TreeIndexedTripleCollection(bool, bool, bool, bool, bool, bool, bool, MultiDictionaryMode)

Creates a new Tree Indexed triple collection with the given Indexing options.

Declaration

public TreeIndexedTripleCollection(bool subjIndex, bool predIndex, bool objIndex, bool subjPredIndex, bool subjObjIndex, bool predObjIndex, bool indexQuoted, MultiDictionaryMode compoundIndexMode)

Parameters

Type	Name	Description
System.Boolean	subjIndex	Whether to create a subject index.
System.Boolean	predIndex	Whether to create a predicate index.
System.Boolean	objIndex	Whether to create an object index.
System.Boolean	subjPredIndex	Whether to create a subject predicate index.
System.Boolean	subjObjIndex	Whether to create a subject object index.
System.Boolean	predObjIndex	Whether to create a predicate object index.
System.Boolean	indexQuoted	Whether to create the same set of indexes for quoted triples.
VDS.Common.Collections.MultiDictionaryMode	compoundIndexMode	Mode to use for compound indexes.

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TreeIndexedTripleCollection(bool, bool, bool, bool, bool, bool, MultiDictionaryMode)

Creates a new Tree Indexed triple collection with the given Indexing options.

Declaration

public TreeIndexedTripleCollection(bool subjIndex, bool predIndex, bool objIndex, bool subjPredIndex, bool subjObjIndex, bool predObjIndex, MultiDictionaryMode compoundIndexMode)

Parameters

Type	Name	Description
System.Boolean	subjIndex	Whether to create a subject index.
System.Boolean	predIndex	Whether to create a predicate index.
System.Boolean	objIndex	Whether to create an object index.
System.Boolean	subjPredIndex	Whether to create a subject predicate index.
System.Boolean	subjObjIndex	Whether to create a subject object index.
System.Boolean	predObjIndex	Whether to create a predicate object index.
VDS.Common.Collections.MultiDictionaryMode	compoundIndexMode	Mode to use for compound indexes.

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TreeIndexedTripleCollection(bool)

Creates a new Tree Indexed triple collection.

Declaration

public TreeIndexedTripleCollection(bool fullTripleIndexing)

Parameters

Type	Name	Description
System.Boolean	fullTripleIndexing	Whether to create subject-predicate, subject-object and subject-predicate indexes in addition to the basic subject, predicate and object indexes. Defaults to true.

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TreeIndexedTripleCollection(MultiDictionaryMode, bool)

Creates a new Tree Indexed triple collection.

Declaration

public TreeIndexedTripleCollection(MultiDictionaryMode compoundIndexMode, bool fullTripleIndexing = true)

Parameters

Type	Name	Description
VDS.Common.Collections.MultiDictionaryMode	compoundIndexMode	Mode to use for compound indexes.
System.Boolean	fullTripleIndexing	Whether to create subject-predicate, subject-object and subject-predicate indexes in addition to the basic subject, predicate and object indexes. Defaults to true.

Properties

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this[Triple]

Gets the specific instance of a Triple in the collection.

Declaration

public override Triple this[Triple t] { get; }

Parameters

Type	Name	Description
Triple	t	Triple.

Property Value

Type	Description
Triple

Overrides

BaseTripleCollection.this[Triple]

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ObjectNodes

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

Declaration

public override IEnumerable<INode> ObjectNodes { get; }

Property Value

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

Overrides

BaseTripleCollection.ObjectNodes

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PredicateNodes

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

Declaration

public override IEnumerable<INode> PredicateNodes { get; }

Property Value

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

Overrides

BaseTripleCollection.PredicateNodes

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

Overrides

BaseTripleCollection.QuotedObjectNodes

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

Overrides

BaseTripleCollection.QuotedPredicateNodes

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

Overrides

BaseTripleCollection.QuotedSubjectNodes

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SubjectNodes

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

Declaration

public override IEnumerable<INode> SubjectNodes { get; }

Property Value

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

Overrides

BaseTripleCollection.SubjectNodes

Methods

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Dispose()

Disposes of the collection.

Declaration

public override void Dispose()

Overrides

BaseTripleCollection.Dispose()

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IndexAsserted(Triple)

Indexes a Triple.

Declaration

protected override void IndexAsserted(Triple t)

Parameters

Type	Name	Description
Triple	t	Triple.

Overrides

AbstractIndexedTripleCollection.IndexAsserted(Triple)

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IndexQuoted(Triple)

Override in derived classes to add a quoted triple to the index.

Declaration

protected override void IndexQuoted(Triple t)

Parameters

Type	Name	Description
Triple	t	Triple to add.

Overrides

AbstractIndexedTripleCollection.IndexQuoted(Triple)

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QuotedWithObject(INode)

Gets all the quoted triples with the given Object.

Declaration

public override IEnumerable<Triple> QuotedWithObject(INode obj)

Parameters

Type	Name	Description
INode	obj	Object to lookup.

Returns

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

Overrides

BaseTripleCollection.QuotedWithObject(INode)

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QuotedWithPredicate(INode)

Gets all the quoted triples with the given Predicate.

Declaration

public override IEnumerable<Triple> QuotedWithPredicate(INode pred)

Parameters

Type	Name	Description
INode	pred	Predicate to lookup.

Returns

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

Overrides

BaseTripleCollection.QuotedWithPredicate(INode)

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QuotedWithPredicateObject(INode, INode)

Gets all the quoted triples with the given Predicate Object pair.

Declaration

public override IEnumerable<Triple> QuotedWithPredicateObject(INode pred, INode obj)

Parameters

Type	Name	Description
INode	pred	Predicate to lookup.
INode	obj	Object to lookup.

Returns

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

Overrides

BaseTripleCollection.QuotedWithPredicateObject(INode, INode)

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QuotedWithSubject(INode)

Gets all quoted triples with the given subject.

Declaration

public override IEnumerable<Triple> QuotedWithSubject(INode subj)

Parameters

Type	Name	Description
INode	subj	Subject to lookup.

Returns

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

Overrides

BaseTripleCollection.QuotedWithSubject(INode)

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QuotedWithSubjectObject(INode, INode)

Gets all the quoted triples with the given Subject Object pair.

Declaration

public override IEnumerable<Triple> QuotedWithSubjectObject(INode subj, INode obj)

Parameters

Type	Name	Description
INode	subj	Subject to lookup.
INode	obj	Object to lookup.

Returns

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

Overrides

BaseTripleCollection.QuotedWithSubjectObject(INode, INode)

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QuotedWithSubjectPredicate(INode, INode)

Gets all the quoted triples with the given Subject Predicate pair.

Declaration

public override IEnumerable<Triple> QuotedWithSubjectPredicate(INode subj, INode pred)

Parameters

Type	Name	Description
INode	subj	Subject to lookup.
INode	pred	Predicate to lookup.

Returns

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

Overrides

BaseTripleCollection.QuotedWithSubjectPredicate(INode, INode)

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UnindexAsserted(Triple)

Unindexes a triple.

Declaration

protected override void UnindexAsserted(Triple t)

Parameters

Type	Name	Description
Triple	t	Triple.

Overrides

AbstractIndexedTripleCollection.UnindexAsserted(Triple)

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UnindexQuoted(Triple)

Override in derived classes to remove a quoted triple from the index.

Declaration

protected override void UnindexQuoted(Triple t)

Parameters

Type	Name	Description
Triple	t

Overrides

AbstractIndexedTripleCollection.UnindexQuoted(Triple)

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WithObject(INode)

Gets all the asserted triples with the given object.

Declaration

public override IEnumerable<Triple> WithObject(INode obj)

Parameters

Type	Name	Description
INode	obj	Object to lookup.

Returns

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

Overrides

BaseTripleCollection.WithObject(INode)

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WithPredicate(INode)

Gets all the asserted triples with the given predicate.

Declaration

public override IEnumerable<Triple> WithPredicate(INode pred)

Parameters

Type	Name	Description
INode	pred	Predicate to lookup.

Returns

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

Overrides

BaseTripleCollection.WithPredicate(INode)

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WithPredicateObject(INode, INode)

Gets all the Triples with the given Predicate Object pair.

Declaration

public override IEnumerable<Triple> WithPredicateObject(INode pred, INode obj)

Parameters

Type	Name	Description
INode	pred	Predicate to lookup.
INode	obj	Object to lookup.

Returns

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

Overrides

BaseTripleCollection.WithPredicateObject(INode, INode)

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WithSubject(INode)

Gets all the asserted triples with the given subject.

Declaration

public override IEnumerable<Triple> WithSubject(INode subj)

Parameters

Type	Name	Description
INode	subj	Subject to lookup.

Returns

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

Overrides

BaseTripleCollection.WithSubject(INode)

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WithSubjectObject(INode, INode)

Gets all the Triples with the given Subject Object pair.

Declaration

public override IEnumerable<Triple> WithSubjectObject(INode subj, INode obj)

Parameters

Type	Name	Description
INode	subj	Subject to lookup.
INode	obj	Object to lookup.

Returns

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

Overrides

BaseTripleCollection.WithSubjectObject(INode, INode)

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WithSubjectPredicate(INode, INode)

Gets all the asserted triples with the given subject/predicate pair.

Declaration

public override IEnumerable<Triple> WithSubjectPredicate(INode subj, INode pred)

Parameters

Type	Name	Description
INode	subj	Subject to lookup.
INode	pred	Predicate to lookup.

Returns

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

Overrides

BaseTripleCollection.WithSubjectPredicate(INode, INode)

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.WithObject(IEnumerable<Triple>, INode)

Extensions.WithPredicate(IEnumerable<Triple>, INode)

Extensions.WithSubject(IEnumerable<Triple>, INode)

LiteralExtensions.ToTripleCollection(IEnumerable<Triple>, bool)

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)