In memory data access, a methodology to simplify agile development

Giorgio Bozio

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25 Nov 2008CPOL5 min read

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An article on architecting application layers to separate concerns and, particularly, data access.

inmemorydal_src.zip
- InMemoryDal
  - InMemoryDal.BusinessLogic
    - bin
      - Debug
        
        InMemoryDal.BusinessLogic.dll
        
        InMemoryDal.Entities.dll
        
        InMemoryDal.Helpers.dll
        
        InMemoryDal.InMemoryData.dll
        
        InMemoryDal.Interfaces.dll
        
        NLog.dll
        
        NLog.xml
    - CustomerLogic.cs
    - InMemoryDal.BusinessLogic.csproj
    - OrderItemLogic.cs
    - OrderLogic.cs
    - ProductLogic.cs
    - Properties
      - AssemblyInfo.cs
  - InMemoryDal.Entities
    - bin
      - Debug
        
        InMemoryDal.Entities.dll
    - ClassDiagram1.cd
    - Customer.cs
    - Entities.cd
    - EntityAttributes.cs
    - InMemoryDal.Entities.csproj
    - Order.cs
    - OrderItem.cs
    - Product.cs
    - Properties
      - AssemblyInfo.cs
  - InMemoryDal.Helpers
    - bin
      - Debug
        
        InMemoryDal.Entities.dll
        
        InMemoryDal.Helpers.dll
        
        InMemoryDal.InMemoryData.dll
        
        InMemoryDal.Interfaces.dll
    - GBDipendencyInjection.cs
    - InMemoryDal.Helpers.csproj
    - Properties
      - AssemblyInfo.cs
  - InMemoryDal.InMemoryData
    - bin
      - Debug
        
        InMemoryDal.Entities.dll
        
        InMemoryDal.InMemoryData.dll
        
        InMemoryDal.Interfaces.dll
    - CustomerInMemoryDAL.cs
    - InMemoryDal.InMemoryData.csproj
    - InMemoryOrderSession.cs
    - InMemoryTransaction.cs
    - OrderInMemoryDAL.cs
    - OrderItemInMemoryDAL.cs
    - ProductInMemoryDAL.cs
    - Properties
      - AssemblyInfo.cs
  - InMemoryDal.Interfaces
    - bin
      - Debug
        
        InMemoryDal.Entities.dll
        
        InMemoryDal.Interfaces.dll
    - ICustomerDAL.cs
    - InMemoryDal.Interfaces.csproj
    - Interfaces.cd
    - IOrderDAL.cs
    - IOrderItemDAL.cs
    - IOrdersSession.cs
    - IProductDAL.cs
    - Properties
      - AssemblyInfo.cs
  - InMemoryDal.sln
  - InMemoryDal.Tests
    - AuthoringTests.txt
    - bin
      - Debug
        
        InMemoryDal.BusinessLogic.dll
        
        InMemoryDal.BusinessLogic.pdb
        
        InMemoryDal.Entities.dll
        
        InMemoryDal.Entities.pdb
        
        InMemoryDal.Helpers.dll
        
        InMemoryDal.Helpers.pdb
        
        InMemoryDal.InMemoryData.dll
        
        InMemoryDal.InMemoryData.pdb
        
        InMemoryDal.Interfaces.dll
        
        InMemoryDal.Interfaces.pdb
        
        InMemoryDal.Tests.dll
        
        InMemoryDal.Tests.pdb
        
        NLog.dll
        
        NLog.xml
    - CustomerLogicTest.cs
    - InMemoryDal.Tests.csproj
    - OrderLogicTest.cs
    - Properties
      - AssemblyInfo.cs
  - InMemoryDal.vsmdi
  - InMemoryDal1.vsmdi
  - InMemoryDal2.vsmdi
  - LocalTestRun.testrunconfig
  - TestResults


Microsoft Visual Studio Solution File, Format Version 10.00
# Visual Studio 2008
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InMemoryDal.InMemoryData", "InMemoryDal.InMemoryData\InMemoryDal.InMemoryData.csproj", "{62F1D591-2D97-443B-8908-22A175765078}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InMemoryDal.Interfaces", "InMemoryDal.Interfaces\InMemoryDal.Interfaces.csproj", "{2DD78B53-D866-469C-A24C-F964080CB2FE}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InMemoryDal.Helpers", "InMemoryDal.Helpers\InMemoryDal.Helpers.csproj", "{53E6ED70-4808-4833-ACD5-32FB6FFEABA9}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InMemoryDal.Entities", "InMemoryDal.Entities\InMemoryDal.Entities.csproj", "{41F094B4-E01E-4F3A-A333-27D007FAE97C}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InMemoryDal.BusinessLogic", "InMemoryDal.BusinessLogic\InMemoryDal.BusinessLogic.csproj", "{87CEABFA-0F4D-4A0D-9E44-6DAF8FE1FC3C}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "InMemoryDal.Tests", "InMemoryDal.Tests\InMemoryDal.Tests.csproj", "{966C71A5-E8BD-4855-A350-EC9F7FCD188C}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{52124342-D9A8-4DFF-9E1C-8F621D789CF1}"
	ProjectSection(SolutionItems) = preProject
		InMemoryDal.vsmdi = InMemoryDal.vsmdi
		InMemoryDal1.vsmdi = InMemoryDal1.vsmdi
		InMemoryDal2.vsmdi = InMemoryDal2.vsmdi
		LocalTestRun.testrunconfig = LocalTestRun.testrunconfig
	EndProjectSection
EndProject
Global
	GlobalSection(TestCaseManagementSettings) = postSolution
		CategoryFile = InMemoryDal2.vsmdi
	EndGlobalSection
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		Debug|Any CPU = Debug|Any CPU
		Release|Any CPU = Release|Any CPU
	EndGlobalSection
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{62F1D591-2D97-443B-8908-22A175765078}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{62F1D591-2D97-443B-8908-22A175765078}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{62F1D591-2D97-443B-8908-22A175765078}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{62F1D591-2D97-443B-8908-22A175765078}.Release|Any CPU.Build.0 = Release|Any CPU
		{2DD78B53-D866-469C-A24C-F964080CB2FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{2DD78B53-D866-469C-A24C-F964080CB2FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{2DD78B53-D866-469C-A24C-F964080CB2FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{2DD78B53-D866-469C-A24C-F964080CB2FE}.Release|Any CPU.Build.0 = Release|Any CPU
		{53E6ED70-4808-4833-ACD5-32FB6FFEABA9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{53E6ED70-4808-4833-ACD5-32FB6FFEABA9}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{53E6ED70-4808-4833-ACD5-32FB6FFEABA9}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{53E6ED70-4808-4833-ACD5-32FB6FFEABA9}.Release|Any CPU.Build.0 = Release|Any CPU
		{41F094B4-E01E-4F3A-A333-27D007FAE97C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{41F094B4-E01E-4F3A-A333-27D007FAE97C}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{41F094B4-E01E-4F3A-A333-27D007FAE97C}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{41F094B4-E01E-4F3A-A333-27D007FAE97C}.Release|Any CPU.Build.0 = Release|Any CPU
		{87CEABFA-0F4D-4A0D-9E44-6DAF8FE1FC3C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{87CEABFA-0F4D-4A0D-9E44-6DAF8FE1FC3C}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{87CEABFA-0F4D-4A0D-9E44-6DAF8FE1FC3C}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{87CEABFA-0F4D-4A0D-9E44-6DAF8FE1FC3C}.Release|Any CPU.Build.0 = Release|Any CPU
		{966C71A5-E8BD-4855-A350-EC9F7FCD188C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{966C71A5-E8BD-4855-A350-EC9F7FCD188C}.Debug|Any CPU.Build.0 = Debug|Any CPU
		{966C71A5-E8BD-4855-A350-EC9F7FCD188C}.Release|Any CPU.ActiveCfg = Release|Any CPU
		{966C71A5-E8BD-4855-A350-EC9F7FCD188C}.Release|Any CPU.Build.0 = Release|Any CPU
	EndGlobalSection
	GlobalSection(SolutionProperties) = preSolution
		HideSolutionNode = FALSE
	EndGlobalSection
EndGlobal

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Giorgio Bozio

Italy

Software architect. At present working on C# development, with mainly Asp.net Ajax and MVC user inteface. Particularly interested in OOP, test driven, agile development.

In memory data access, a methodology to simplify agile development

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