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DynamicNode.StringDictionary.cs
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DynamicNode.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 DynamicNode : IDictionary<string, object>
{
/// <summary>
/// Gets an <see cref="ICollection{String}"/> containing outgoing predicate node names shortened as much as possible.
/// </summary>
public ICollection<string> Keys
{
get
{
return StringPairs.Keys;
}
}
private IDictionary<string, object> StringPairs
{
get
{
return PredicateNodes
.ToDictionary(
predicate => predicate.AsName(BaseUri),
predicate => this[predicate]);
}
}
/// <summary>
/// Gets statement objects with this subject and predicate equivalent to <paramref name="predicate"/> or sets staements with this subject, predicate equivalent to <paramref name="predicate"/> and objects equivalent to <paramref name="value"/>.
/// </summary>
/// <param name="predicate">The predicate to use.</param>
/// <returns>A <see cref="DynamicObjectCollection"/> with this subject and <paramref name="predicate"/>.</returns>
/// <exception cref="ArgumentNullException">When <paramref name="predicate"/> is null.</exception>
public object this[string predicate]
{
get
{
if (predicate is null)
{
throw new ArgumentNullException(nameof(predicate));
}
return this[Convert(predicate)];
}
set
{
if (predicate is null)
{
throw new ArgumentNullException(nameof(predicate));
}
this[Convert(predicate)] = value;
}
}
/// <summary>
/// Asserts statements with this subject and predicate and objects equivalent to parameters.
/// </summary>
/// <param name="predicate">The predicate to assert.</param>
/// <param name="objects">An object or enumerable representing objects to assert.</param>
/// <exception cref="ArgumentNullException">When <paramref name="predicate"/> is null.</exception>
public void Add(string predicate, object objects)
{
if (predicate is null)
{
throw new ArgumentNullException(nameof(predicate));
}
Add(Convert(predicate), objects);
}
void ICollection<KeyValuePair<string, object>>.Add(KeyValuePair<string, object> item)
{
Add(item.Key, item.Value);
}
/// <summary>
/// Checks whether statements exist with this subject, predicate equivalent to <paramref name="predicate"/> and objects equivalent to <paramref name="objects"/>.
/// </summary>
/// <param name="predicate">The predicate to assert.</param>
/// <param name="objects">An object or enumerable representing objects to assert.</param>
/// <returns>Whether statements exist with this subject, predicate equivalent to <paramref name="predicate"/> and objects equivalent to <paramref name="objects"/>.</returns>
public bool Contains(string predicate, object objects)
{
if (predicate is null)
{
return false;
}
return Contains(Convert(predicate), objects);
}
/// <inheritdoc/>
bool ICollection<KeyValuePair<string, object>>.Contains(KeyValuePair<string, object> item)
{
return Contains(item.Key, item.Value);
}
/// <summary>
/// Checks whether this node has an outgoing predicate equivalent to <paramref name="key"/>.
/// </summary>
/// <param name="key">The node to check.</param>
/// <returns>Whether this node has an outgoing predicate equivalent to <paramref name="key"/>.</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 this subject and equivalent to <paramref name="predicate"/>.
/// </summary>
/// <param name="predicate">The predicate to retract.</param>
/// <returns>Whether any statements were retracted.</returns>
public bool Remove(string predicate)
{
if (predicate is null)
{
return false;
}
return Remove(Convert(predicate));
}
/// <summary>
/// Retracts statements with this subject, predicate equivalent to <paramref name="predicate"/> and objects equivalent to <paramref name="objects"/>.
/// </summary>
/// <param name="predicate">The predicate to retract.</param>
/// <param name="objects">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 predicate, object objects)
{
if (predicate is null)
{
return false;
}
return Remove(Convert(predicate), objects);
}
/// <inheritdoc/>
bool ICollection<KeyValuePair<string, object>>.Remove(KeyValuePair<string, object> item)
{
return Remove(item.Key, item.Value);
}
/// <summary>
/// Tries to get an object collection.
/// </summary>
/// <param name="predicate">The predicate to try.</param>
/// <param name="value">A <see cref="DynamicObjectCollection"/>.</param>
/// <returns>A value representing whether a <paramref name="value"/> was set or not.</returns>
public bool TryGetValue(string predicate, out object value)
{
value = null;
if (predicate is null)
{
return false;
}
return TryGetValue(Convert(predicate), out value);
}
private INode Convert(string predicate)
{
return predicate.AsUriNode(this.Graph, BaseUri);
}
}
}