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DynamicGraph.cs
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DynamicGraph.cs
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/*
// <copyright>
// dotNetRDF is free and open source software licensed under the MIT License
// -------------------------------------------------------------------------
//
// Copyright (c) 2009-2021 dotNetRDF Project (http://dotnetrdf.org/)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is furnished
// to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// </copyright>
*/
namespace VDS.RDF.Dynamic
{
using System;
using System.Dynamic;
using System.Linq.Expressions;
/// <summary>
/// A <see cref="WrapperGraph">wrapper</see> that provides read/write dictionary and dynamic functionality.
/// </summary>
public partial class DynamicGraph : WrapperGraph, IDynamicMetaObjectProvider
{
private readonly Uri subjectBaseUri;
private readonly Uri predicateBaseUri;
/// <summary>
/// Initializes a new instance of the <see cref="DynamicGraph"/> class.
/// </summary>
/// <param name="graph">The <see cref="IGraph"/> to wrap.</param>
/// <param name="subjectBaseUri">The <see cref="Uri"/> used for resolving relative subject references.</param>
/// <param name="predicateBaseUri">The <see cref="Uri"/> used for resolving relative predicate references.</param>
public DynamicGraph(IGraph graph = null, Uri subjectBaseUri = null, Uri predicateBaseUri = null)
: base(graph ?? new Graph())
{
this.subjectBaseUri = subjectBaseUri;
this.predicateBaseUri = predicateBaseUri;
}
/// <summary>
/// Gets the <see cref="Uri"/> used for resolving relative subject references.
/// </summary>
public Uri SubjectBaseUri
{
get
{
return this.subjectBaseUri ?? this.BaseUri;
}
}
/// <summary>
/// Gets the URI used for resolving relative predicate references.
/// </summary>
public Uri PredicateBaseUri
{
get
{
return this.predicateBaseUri ?? this.SubjectBaseUri;
}
}
/// <inheritdoc/>
DynamicMetaObject IDynamicMetaObjectProvider.GetMetaObject(Expression parameter)
{
return new DictionaryMetaObject(parameter, this);
}
}
}