Class BaseDemandGraphCollection

A decorator for graph collections that allows for graphs to be loaded on demand if they don't exist in the underlying graph collection.

Inheritance

object

BaseGraphCollection

WrapperGraphCollection

BaseDemandGraphCollection

DiskDemandGraphCollection

WebDemandGraphCollection

Implements

IEnumerable<IGraph>

IEnumerable

IDisposable

Inherited Members

WrapperGraphCollection._graphs

WrapperGraphCollection.Add(IGraph, bool)

WrapperGraphCollection.Count

WrapperGraphCollection.Dispose()

WrapperGraphCollection.GetEnumerator()

WrapperGraphCollection.GraphUris

WrapperGraphCollection.GraphNames

WrapperGraphCollection.Remove(Uri)

WrapperGraphCollection.Remove(IRefNode)

WrapperGraphCollection.this[Uri]

WrapperGraphCollection.this[IRefNode]

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 abstract class BaseDemandGraphCollection : WrapperGraphCollection, IEnumerable<IGraph>, IEnumerable, IDisposable

Constructors

BaseDemandGraphCollection()

Creates a new decorator.

Declaration

protected BaseDemandGraphCollection()

BaseDemandGraphCollection(BaseGraphCollection)

Creates a new decorator over the given graph collection.

Declaration

protected BaseDemandGraphCollection(BaseGraphCollection collection)

Parameters

Type	Name	Description
BaseGraphCollection	collection	Graph Collection.

Methods

Contains(Uri)

Checks whether the collection contains a Graph invoking an on-demand load if not present in the underlying collection.

Declaration

[Obsolete]
public override bool Contains(Uri graphUri)

Parameters

Type	Name	Description
Uri	graphUri	Graph URI.

Returns

Type	Description
bool

Overrides

WrapperGraphCollection.Contains(Uri)

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
bool	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.

LoadOnDemand(Uri)

Loads a Graph on demand.

Declaration

protected abstract IGraph LoadOnDemand(Uri graphUri)

Parameters

Type	Name	Description
Uri	graphUri	URI of the Graph to load.

Returns

Type	Description
IGraph	A Graph if it could be loaded and throws an error otherwise.

Implements

IEnumerable<T>

IEnumerable

IDisposable

Extension Methods

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

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

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)