mirror of
https://github.com/OPCFoundation/UA-.NETStandard.git
synced 2026-10-23 02:00:00 +08:00
Erich Barnstedt
1ac35fdec0
1. Upgraded from UWP 5.1.0 to 5.2.0 2. Upgraded all assemblies from RC to RTM bits 3. Renamed Common directory to Opc.Ua.Sample 4. Reimplemented HTTP transport due to removed classes in .Net Standard 5. Small UWP XML class cleanup due to changes in UWP 5.2.0
69 lines
2.9 KiB
C#
69 lines
2.9 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2016 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;
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using System.Collections.Generic;
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using System.Xml;
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using System.IO;
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using System.Text;
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using System.Reflection;
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using System.Threading;
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using System.Globalization;
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using Opc.Ua;
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using Opc.Ua.Server;
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namespace TestData
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{
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/// <summary>
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/// An interface to an object which can access historical data for a variable.
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/// </summary>
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public interface IHistoryDataSource
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{
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/// <summary>
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/// Returns the next value in the archive.
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/// </summary>
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/// <param name="startTime">The starting time for the search.</param>
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/// <param name="isForward">Whether to search forward in time.</param>
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/// <param name="isReadModified">Whether to return modified data.</param>
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/// <param name="position">A index that must be passed to the NextRaw call. </param>
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/// <returns>The DataValue.</returns>
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DataValue FirstRaw(DateTime startTime, bool isForward, bool isReadModified, out int position);
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/// <summary>
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/// Returns the next value in the archive.
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/// </summary>
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/// <param name="lastTime">The timestamp of the last value returned.</param>
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/// <param name="isForward">Whether to search forward in time.</param>
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/// <param name="isReadModified">Whether to return modified data.</param>
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/// <param name="position">A index previously returned by the reader.</param>
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/// <returns>The DataValue.</returns>
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DataValue NextRaw(DateTime lastTime, bool isForward, bool isReadModified, ref int position);
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}
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}
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