2020-06-22a

10 UebgMsgServer/10 UebgMsgServer.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RootNamespace>_10_UebgMsgServer</RootNamespace>
+  </PropertyGroup>
+
+</Project>

10 UebgMsgServer/Program.cs

+using System;
+
+/*
+ * Gegeben ist das folgende Programm als Grundgerüst eines Nachrichtendienstes. 
+ * Dabei soll gelten: Ein Nachrichtenserver bietet eine Schnittstelle (Delegate), an der beliebig viele 
+ * Nachrichtenempfangsmethoden anderer Klassen andocken können. Bevor Nachrichten jedoch versendet werden, 
+ * können diese mit Hilfe einer oder mehrerer kundenspezifischer Modifikationsfunktionen bearbeitet werden 
+ * (hier wir als Beispiel ein alter Firmenname durch den neuen Firmennamen ersetzt sowie an die Nachrichten 
+ * wird noch ein Anhängsel (Signatur) angehängt. 
+ */
+namespace _10_UebgMsgServer
+{
+    delegate void Callback(_____________________________________________);
+    delegate void Transform(_____________________________________________);
+    class MsgServer
+    {
+        public event Callback notify;
+        public event Transform transformations;
+
+        public void SendMsg(string msg)
+        {
+            Console.WriteLine($"\n\n\nNeue Nachricht (Original): {msg}");
+            if (transformations != null)
+                transformations(ref msg);
+            if (notify != null)
+                notify(msg);
+        }
+    }
+    class Client
+    {
+        public string Name { get; }
+        public Client(string Name) { this.Name = Name; }
+        public void Listener(string text)
+        {
+            Console.WriteLine($"  {Name}: {text}");
+        }
+    }
+    class Program
+    {
+        static void Signature(ref string text)
+        {
+            text += "\nMessage via Magic MsgServer, AAA Corporation";
+        }
+        static void OldNewCorp(ref string text)
+        {
+            text = text.Replace("ZZZ Corporation", "AAA Corporation");
+        }
+        static void Main(string[] args)
+        {
+            MsgServer server1 = new MsgServer();
+            server1.transformations += OldNewCorp;
+            server1.transformations += Signature;
+
+            Client mueller = new Client("Müller");
+            Client meier = new Client("Meier");
+            Client huber = new Client("Huber");
+            server1.notify += mueller.Listener;
+            server1.notify += meier.Listener;
+
+            server1.SendMsg("Herzlich Willkommen, liebe Kunden! ZZZ Corporation");
+
+            server1.notify += huber.Listener;
+            server1.notify -= mueller.Listener;
+            server1.SendMsg("Wir wünschen einen erfolgreichen Tag, ZZZ Corporation");
+        }
+    }
+}

10 UebgMsgServer/obj/10 UebgMsgServer.csproj.nuget.dgspec.json

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+}
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10 UebgMsgServer/obj/10 UebgMsgServer.csproj.nuget.g.props

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+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\wienkop\.nuget\packages\</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">5.6.0</NuGetToolVersion>
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10 UebgMsgServer/obj/10 UebgMsgServer.csproj.nuget.g.targets

+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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\ No newline at end of file

10 UebgMsgServer/obj/Debug/netcoreapp3.1/.NETCoreApp,Version=v3.1.AssemblyAttributes.cs

+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v3.1", FrameworkDisplayName = "")]

10 UebgMsgServer/obj/Debug/netcoreapp3.1/10 UebgMsgServer.AssemblyInfo.cs

+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Dieser Code wurde von einem Tool generiert.
+//     Laufzeitversion:4.0.30319.42000
+//
+//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+//     der Code erneut generiert wird.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("10 UebgMsgServer")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
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+[assembly: System.Reflection.AssemblyTitleAttribute("10 UebgMsgServer")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+
+// Von der MSBuild WriteCodeFragment-Klasse generiert.
+

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10 UebgMsgServer/obj/project.assets.json

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10 UebgMsgServer/obj/project.nuget.cache

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prog2-ss2020-wienkop.sln

@@ -110,7 +110,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "09 UebgDiMailVerteilung", "
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "09 DelegateVerkettung", "09 DelegateVerkettung\09 DelegateVerkettung.csproj", "{17A26633-0F72-4889-B31E-9A29A80CE4A5}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09DataDriven", "09DataDriven\09DataDriven.csproj", "{4E2ED939-4FFF-4A44-8ACD-13E0CF23E1FB}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "09DataDriven", "09DataDriven\09DataDriven.csproj", "{4E2ED939-4FFF-4A44-8ACD-13E0CF23E1FB}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10 UebgMsgServer", "10 UebgMsgServer\10 UebgMsgServer.csproj", "{6B7A3A19-6CE7-4F20-9F03-7B091C00B9BE}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -326,6 +328,10 @@ Global
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 		{4E2ED939-4FFF-4A44-8ACD-13E0CF23E1FB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6B7A3A19-6CE7-4F20-9F03-7B091C00B9BE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6B7A3A19-6CE7-4F20-9F03-7B091C00B9BE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6B7A3A19-6CE7-4F20-9F03-7B091C00B9BE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6B7A3A19-6CE7-4F20-9F03-7B091C00B9BE}.Release|Any CPU.Build.0 = Release|Any CPU
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 	GlobalSection(SolutionProperties) = preSolution
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