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DynamicGraph.StringDictionary.cs
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DynamicGraph.StringDictionary.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.Collections.Generic;
using System.Linq;
public partial class DynamicGraph : IDictionary<string, object>
{
/// <summary>
/// Gets an <see cref="ICollection{String}"/> containing Uri subject node names shortened as much as possible.
/// </summary>
public ICollection<string> Keys
{
get
{
return StringPairs.Keys;
}
}
private IDictionary<string, object> StringPairs
{
get
{
return UriNodes
.ToDictionary(
subject => subject.AsName(BaseUri),
subject => this[subject]);
}
}
/// <summary>
/// Gets nodes equivalent to <paramref name="node"/> or sets statements with subject equivalent to <paramref name="node"/> and predicate and objects equivalent to <paramref name="value"/>.
/// </summary>
/// <param name="node">The node to wrap dynamically.</param>
/// <returns>A <see cref="DynamicNode"/> wrapped around the <paramref name="node"/>.</returns>
/// <exception cref="ArgumentNullException">When <paramref name="node"/> is null.</exception>
public object this[string node]
{
get
{
if (node is null)
{
throw new ArgumentNullException(nameof(node));
}
return this[Convert(node)];
}
set
{
if (node is null)
{
throw new ArgumentNullException(nameof(node));
}
this[Convert(node)] = value;
}
}
/// <summary>
/// Asserts statements equivalent to the parameters.
/// </summary>
/// <param name="subject">The subject to assert.</param>
/// <param name="predicateAndObjects">An object with public properties or a dictionary representing predicates and objects to assert.</param>
/// <exception cref="ArgumentNullException">When <paramref name="subject"/> or <paramref name="predicateAndObjects"/> is null.</exception>
public void Add(string subject, object predicateAndObjects)
{
if (subject is null)
{
throw new ArgumentNullException(nameof(subject));
}
if (predicateAndObjects is null)
{
throw new ArgumentNullException(nameof(predicateAndObjects));
}
Add(Convert(subject), predicateAndObjects);
}
/// <inheritdoc/>
void ICollection<KeyValuePair<string, object>>.Add(KeyValuePair<string, object> item)
{
Add(item.Key, item.Value);
}
/// <summary>
/// Checks whether statements exist equivalent to the parameters.
/// </summary>
/// <param name="subject">The subject to check.</param>
/// <param name="predicateAndObjects">An object with public properties or a dictionary representing predicates and objects to check.</param>
/// <returns>Whether statements exist equivalent to the parameters.</returns>
public bool Contains(string subject, object predicateAndObjects)
{
if (subject is null)
{
return false;
}
if (predicateAndObjects is null)
{
return false;
}
return Contains(Convert(subject), predicateAndObjects);
}
/// <inheritdoc/>
bool ICollection<KeyValuePair<string, object>>.Contains(KeyValuePair<string, object> item)
{
return Contains(item.Key, item.Value);
}
/// <summary>
/// Checks whether a URI node equivalent to <paramref name="key"/> exists.
/// </summary>
/// <param name="key">The node to check.</param>
/// <returns>Whether a URI node equivalent to <paramref name="key"/> exists.</returns>
public bool ContainsKey(string key)
{
if (key is null)
{
return false;
}
return ContainsKey(Convert(key));
}
/// <inheritdoc/>
void ICollection<KeyValuePair<string, object>>.CopyTo(KeyValuePair<string, object>[] array, int arrayIndex)
{
StringPairs.CopyTo(array, arrayIndex);
}
/// <inheritdoc/>
IEnumerator<KeyValuePair<string, object>> IEnumerable<KeyValuePair<string, object>>.GetEnumerator()
{
return StringPairs.GetEnumerator();
}
/// <summary>
/// Retracts statements with <paramref name="subject"/>.
/// </summary>
/// <param name="subject">The subject to retract.</param>
/// <returns>Whether any statements were retracted.</returns>
public bool Remove(string subject)
{
if (subject is null)
{
return false;
}
return Remove(Convert(subject));
}
/// <summary>
/// Retracts statements equivalent to the parameters.
/// </summary>
/// <param name="subject">The subject to retract.</param>
/// <param name="predicateAndObjects">An object with public properties or a dictionary representing predicates and objects to retract.</param>
/// <returns>Whether any statements were retracted.</returns>
public bool Remove(string subject, object predicateAndObjects)
{
if (subject is null)
{
return false;
}
return Remove(Convert(subject), predicateAndObjects);
}
/// <inheritdoc/>
bool ICollection<KeyValuePair<string, object>>.Remove(KeyValuePair<string, object> item)
{
return Remove(item.Key, item.Value);
}
/// <summary>
/// Tries to get a node from the graph.
/// </summary>
/// <param name="node">The node to try.</param>
/// <param name="value">A <see cref="DynamicNode"/> wrapped around the <paramref name="node"/>.</param>
/// <returns>A value representing whether a <paramref name="value"/> was set or not.</returns>
public bool TryGetValue(string node, out object value)
{
value = null;
if (node is null)
{
return false;
}
return TryGetValue(Convert(node), out value);
}
private INode Convert(string subject)
{
return subject.AsUriNode(this, SubjectBaseUri);
}
}
}