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v4.0: New modeling API, expanded UI support and data improvements

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8/11/2017 - Marco (updated on 9/18/2020)

The summary below describes major new features, items of note and breaking changes. The full list of issues is in the release notes below and is available to those with access to the Encodo issue tracker.

Highlights

Metadata & Modeling

Most of the existing metadata-building API has been deprecrated and replaced with a fluent API that is consistent and highly extensible.

UI

Data

Code-generation

  • Improve compatibility of generated code with StyleCop/best practices (QNO-5252, QNO-5584, QNO-5515)
  • Add support for integrating interfaces into generated code (QNO-5585)
  • Finalize support for including generated code in a separate assembly. Generated code can now be in a separate assembly from the modeling code.
  • Removed WinformDx code generator (QNO-5324)

General

  • Improve debugging with Quino sources and Nuget packages (QNO-5473)
  • Improve directory-services integration (QNO-5421)
  • Reworked the plugins system (QNO-2525)
  • Improve assembly-loading in tests and tools (QNO-5538, QNO-5571)
  • Improve registration API for external loggers; integrate Serilog (QNO-5591)
  • Improve schema-migration logging (QNO-5586)
  • Allow customization of exception and message formatting (QNO-5551, QNO-5550)

Breaking changes

Metadata & Modeling

  • The Encodo.Quino.Builders.Extensions namespace has been removed. All members were moved to Encodo.Quino.Meta or Encodo.Quino.Builders instead.
  • The assembly Quino.Meta.Standard no longer exists and may have to be removed manually if Nuget does not remove it for you.
  • Added default CreateModel() to MetaBuilderBasedModelBuilderBase
  • Added empty constructor to MetaBuilderBasedModelBuilderBase
  • GetSubModules() and GetModules() now returns IMetaModule instead of IModuleAspect
  • Even deprecated versions of AddSort(), AddSortOrderProperty(), AddEnumeratedClass(), AddValueListProperty() all expect a parameter of type IMetaExpressionFactory or IExpressionConstants now.

Data

  • The IDataSessionAwareList is used instead of IMetaAwareList
  • Two constructors of DataList have been made private
  • GenericObject.DoSetDedicatedSession() is no longer called or overridable
  • None of the classes derived from AuthenticatorBase accept an IApplication as constructor parameters anymore. Instead, use the Application or Session to create the authenticator with GetInstance<TService>(). E.g. if before you created a TokenAuthenticator with this call, new TokenAuthenticator(Application), you should now create the TokenAuthenticator with Application.GetInstance<TokenAuthenticator>(). You are free also to call the new constructor directly, but construction using the IOC is strongly recommended.
  • The constructor for DataSession has changed; this shouldn't cause too many problems as applications should be using the IDataSessionFactory to construct instances anyway.
  • DataGenerators have changed considerably. Implement the IDataGenerator interface instead of using the DataGenerator base class.
  • The names of ISchemaDifference have changed, so the output of a migration plan will also be different. Software that depended on scraping the plan to determine outcomes may no longer work.
  • Default values are no longer implicitly set. A default value for a required property will only be supplied if one is set in the model. Otherwise, a NULL-constraint violation will be thrown by the database. Existing applications will have to be updated: either set a default value in the metadata or set the property value before saving objects.

Code-generation

  • The generated filename for builders has changed from "Extensions.cs to "Builders.cs". When you regenerate code for the V2 format, you will have include the new files and remove the old ones from your project.
  • Data-language-specific properties are no longer generated by default because there is no guarantee that languages are available in a given application, You can still enable code-generation by calling SetCodeGenerated() on the multi-language or value-list property
  • The generated MetaModelBuilder classes are no longer generated. QNO-5515

General

  • LanguageTools.GetCaption() no longer defaults to GetDescription() because this is hardly ever what you wanted to happen.
  • CaptionExtensions are now in CaptionTools and are no longer extension methods on object.
  • ReflectionExtensions are now in ReflectionTools and are also no longer extension methods on object.

Expressions

  • Redeclared Operation<> with new method signature

Windows-specific

Some Windows-specific functionality has been moved to new assemblies. These assemblies are automatically included for Winform and WPF applications (as before). Applications that want to use the Windows-specific functionality will have to reference the following packages:

  • For WindowsIdentity-based code, use the Encodo.Connections.Windows package and call UseWindowsConnectionServices()
  • For ApplicationSettingsBase support, use the Encodo.Application.Windows package and call UseWindowsApplication()
  • For Directory Services support, use the Encodo.Security.Windows package and call UseWindowsSecurityServices().
Marco
11/15/2017

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