mirror of
https://github.com/OPCFoundation/UA-.NETStandard.git
synced 2026-10-20 00:31:32 +08:00
Marc Schier
68 lines
2.2 KiB
C#
68 lines
2.2 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2025 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System.Collections.Generic;
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using Opc.Ua;
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namespace TestData
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{
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/// <summary>
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/// Helper which implements IEqualityComparer for Linq queries.
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/// </summary>
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public class NodeStateComparer : IEqualityComparer<NodeState>
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{
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/// <inheritdoc/>
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public bool Equals(NodeState? x, NodeState? y)
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{
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if (ReferenceEquals(x, y))
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{
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return true;
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}
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if (x is null || y is null)
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{
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return false;
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}
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return x.NodeId == y.NodeId;
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}
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/// <inheritdoc/>
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public int GetHashCode(NodeState obj)
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{
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if (obj is null)
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{
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return 0;
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}
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return obj.NodeId.GetHashCode();
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}
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}
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}
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