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Commit a0914b1

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memnto pattern example
1 parent 3fe8d0c commit a0914b1

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3 files changed

+107
-8
lines changed

3 files changed

+107
-8
lines changed

‎DesignPatterns.sln

Lines changed: 14 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -19,21 +19,23 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BridgePattern", "BridgePatt
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EndProject
2020
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CompositePattern", "CompositePattern\CompositePattern.csproj", "{3CFAA453-5386-4A9E-9DDA-20A0DC8F700D}"
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EndProject
22-
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FacadePattern", "FacadePattern\FacadePattern.csproj", "{8E91875D-E79F-4D16-9FFC-49BD5BE7DF03}"
22+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FacadePattern", "FacadePattern\FacadePattern.csproj", "{8E91875D-E79F-4D16-9FFC-49BD5BE7DF03}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DecoratorPattern", "DecoratorPattern\DecoratorPattern.csproj", "{E16867D5-A235-437D-ADBF-8A4418E7038B}"
24+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DecoratorPattern", "DecoratorPattern\DecoratorPattern.csproj", "{E16867D5-A235-437D-ADBF-8A4418E7038B}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FlyweightPattern", "FlyweightPattern\FlyweightPattern.csproj", "{FB1E171E-9C39-4EF1-9377-9786AF3C61DA}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FlyweightPattern", "FlyweightPattern\FlyweightPattern.csproj", "{FB1E171E-9C39-4EF1-9377-9786AF3C61DA}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProxyPattern", "ProxyPattern\ProxyPattern.csproj", "{CE4E3751-C4D9-440E-9E25-3E7EA61F4A7D}"
28+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ProxyPattern", "ProxyPattern\ProxyPattern.csproj", "{CE4E3751-C4D9-440E-9E25-3E7EA61F4A7D}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChainOfResponsibilityPattern", "ChainOfResponsibilityPattern\ChainOfResponsibilityPattern.csproj", "{E94F9FB8-B495-4A85-BAB4-0B08C69BA2D9}"
30+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ChainOfResponsibilityPattern", "ChainOfResponsibilityPattern\ChainOfResponsibilityPattern.csproj", "{E94F9FB8-B495-4A85-BAB4-0B08C69BA2D9}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CommandPattern", "CommandPattern\CommandPattern.csproj", "{25E92DA1-1205-4D53-85F4-B77BC92DCF5A}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CommandPattern", "CommandPattern\CommandPattern.csproj", "{25E92DA1-1205-4D53-85F4-B77BC92DCF5A}"
3333
EndProject
34-
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IteratorPattern", "IteratorPattern\IteratorPattern.csproj", "{BB1AE146-315A-44F8-A90B-77E386C65678}"
34+
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IteratorPattern", "IteratorPattern\IteratorPattern.csproj", "{BB1AE146-315A-44F8-A90B-77E386C65678}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MediatorPattern", "MediatorPattern\MediatorPattern.csproj", "{A6278444-3DDF-4175-996C-361E536668FC}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MediatorPattern", "MediatorPattern\MediatorPattern.csproj", "{A6278444-3DDF-4175-996C-361E536668FC}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MementoPattern", "Memento\MementoPattern.csproj", "{93F0318A-696F-4C09-800F-7091BAEC2178}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -105,6 +107,10 @@ Global
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{A6278444-3DDF-4175-996C-361E536668FC}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A6278444-3DDF-4175-996C-361E536668FC}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A6278444-3DDF-4175-996C-361E536668FC}.Release|Any CPU.Build.0 = Release|Any CPU
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{93F0318A-696F-4C09-800F-7091BAEC2178}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{93F0318A-696F-4C09-800F-7091BAEC2178}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{93F0318A-696F-4C09-800F-7091BAEC2178}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{93F0318A-696F-4C09-800F-7091BAEC2178}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

‎Memento/MementoPattern.csproj

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,8 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>netcoreapp2.0</TargetFramework>
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</PropertyGroup>
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</Project>

‎Memento/Program.cs

Lines changed: 85 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,85 @@
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using System;
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namespace MementoPattern
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{
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class EditorMemento
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{
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private string mContent;
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public EditorMemento(string content)
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{
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mContent = content;
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}
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public string Content
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{
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get
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{
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return mContent;
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}
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}
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}
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class Editor {
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private string mContent = string.Empty;
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private EditorMemento memento;
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public Editor()
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{
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memento = new EditorMemento(string.Empty);
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}
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public void Type(string words)
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{
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mContent = String.Concat(mContent," ", words);
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}
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public string Content
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{
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get
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{
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return mContent;
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}
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}
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public void Save()
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{
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memento = new EditorMemento(mContent);
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}
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public void Restore()
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{
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mContent = memento.Content;
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}
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}
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class Program
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{
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static void Main(string[] args)
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{
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var editor = new Editor();
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//Type some stuff
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editor.Type("This is the first sentence.");
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editor.Type("This is second.");
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// Save the state to restore to : This is the first sentence. This is second.
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editor.Save();
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//Type some more
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editor.Type("This is thrid.");
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//Output the content
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Console.WriteLine(editor.Content); // This is the first sentence. This is second. This is third.
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//Restoring to last saved state
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editor.Restore();
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Console.Write(editor.Content); // This is the first sentence. This is second
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Console.ReadLine();
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}
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}
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}

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