mirror of
https://github.com/OPCFoundation/UA-.NETStandard.git
synced 2026-10-18 14:43:08 +08:00
Marc Schier
64 lines
2.4 KiB
C#
64 lines
2.4 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.Threading;
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using Opc.Ua;
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namespace TestData
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{
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public partial class TestSystemConditionState
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{
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/// <summary>
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/// Initializes the object as a collection of counters which change value on read.
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/// </summary>
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protected override void OnAfterCreate(ISystemContext context, NodeState node, CancellationToken ct = default)
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{
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base.OnAfterCreate(context, node, ct);
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MonitoredNodeCount!.OnSimpleReadValue = OnReadMonitoredNodeCount;
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}
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/// <summary>
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/// Reads the value for the MonitoredNodeCount.
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/// </summary>
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protected virtual ServiceResult OnReadMonitoredNodeCount(
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ISystemContext context,
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NodeState node,
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ref Variant value)
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{
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if (context?.SystemHandle is not TestDataSystem system)
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{
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return StatusCodes.BadOutOfService;
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}
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value = system.MonitoredNodeCount;
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return ServiceResult.Good;
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}
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}
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}
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