Move repository files to the consolidated layout

2026-10-29 07:07:24 +08:00 · 2026-07-16 06:25:54 +02:00
parent 9335c15bdd
commit 7cec2d614d
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+/* ========================================================================
+ * Copyright (c) 2005-2026 The OPC Foundation, Inc. All rights reserved.
+ *
+ * OPC Foundation MIT License 1.00
+ *
+ * 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.
+ *
+ * The complete license agreement can be found here:
+ * http://opcfoundation.org/License/MIT/1.00/
+ * ======================================================================*/
+
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Opc.Ua;
+using Opc.Ua.PubSub.DataSets;
+using Opc.Ua.PubSub.Encoding;
+
+namespace Quickstarts.ConsoleReferencePubSubClient
+{
+    /// <summary>
+    /// In-process <see cref="IPublishedDataSetSource"/> that mints a
+    /// fresh BoolToggle / Int32 counter / DateTime triple every time
+    /// the runtime samples the "Simple" DataSet. Demonstrates the
+    /// Part 14 §6.2.3 pluggable data-source extension point.
+    /// </summary>
+    public sealed class SampleDataSetSource : IPublishedDataSetSource
+    {
+        private long m_counter;
+
+        public DataSetMetaDataType BuildMetaData()
+        {
+            return new DataSetMetaDataType
+            {
+                Name = PublisherConfigurationBuilder.DataSetName,
+                DataSetClassId = Uuid.Empty,
+                Fields = new ArrayOf<FieldMetaData>(new[]
+                {
+                    new FieldMetaData
+                    {
+                        Name = "BoolToggle",
+                        BuiltInType = (byte)DataTypes.Boolean,
+                        DataType = DataTypeIds.Boolean,
+                        ValueRank = ValueRanks.Scalar
+                    },
+                    new FieldMetaData
+                    {
+                        Name = "Int32",
+                        BuiltInType = (byte)DataTypes.Int32,
+                        DataType = DataTypeIds.Int32,
+                        ValueRank = ValueRanks.Scalar
+                    },
+                    new FieldMetaData
+                    {
+                        Name = "DateTime",
+                        BuiltInType = (byte)DataTypes.DateTime,
+                        DataType = DataTypeIds.DateTime,
+                        ValueRank = ValueRanks.Scalar
+                    }
+                }),
+                ConfigurationVersion = new ConfigurationVersionDataType
+                {
+                    MajorVersion = 1,
+                    MinorVersion = 0
+                }
+            };
+        }
+
+        public ValueTask<PublishedDataSetSnapshot> SampleAsync(
+            DataSetMetaDataType metaData,
+            CancellationToken cancellationToken = default)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            long counter = Interlocked.Increment(ref m_counter);
+            DateTimeOffset now = DateTimeOffset.UtcNow;
+            var fields = new List<DataSetField>
+            {
+                new()
+                {
+                    Name = "BoolToggle",
+                    Value = new Variant((counter & 1) == 0)
+                },
+                new()
+                {
+                    Name = "Int32",
+                    Value = new Variant((int)counter)
+                },
+                new()
+                {
+                    Name = "DateTime",
+                    Value = new Variant(now.UtcDateTime)
+                }
+            };
+            ConfigurationVersionDataType version =
+                metaData?.ConfigurationVersion
+                ?? new ConfigurationVersionDataType
+                {
+                    MajorVersion = 1,
+                    MinorVersion = 0
+                };
+            return new ValueTask<PublishedDataSetSnapshot>(
+                new PublishedDataSetSnapshot(
+                    version, fields, DateTimeUtc.From(now)));
+        }
+    }
+}