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The ORM generator does add a lot of functionality to a project. The model allows you to control all aspects of your framework design. All objects have definite types and there is non confusion about which objects are being handled. All actions like adding, deleting, searching, paging, updating, etc are strongly-typed. A most important feature is that if the model changes in a binary incompatible way, compile-time errors will be created not run-time errors. This is one of the most important features of the tool. If objects are re-typed, added, changed, or deleted in the model, a compile-time error is raised and your code (both generated and hand-written) will not build. The issues can be found immediately without errors going out to the production.

The generated model was also designed for coding efficiency. There are numerous overloads for methods so you can load, save, and transfer data with few lines of code. In many cases, only one line of code is required to perform actions. You can actually load or save data, with where qualifying statements, in one line of code. This is very different from frameworks that require all sorts of objects to be declared and passed-in to other objects, in order to load or save data. There are convenient static methods on objects, so you do not need to declare an object to perform many functions like querying, aggregating, and bulk update. This ensures that very minimal code can be quite functional.

Paging is a difficult task to handle in a generic, programmatic way. The generator handles it well by giving you a strongly-typed way to query, sort, and page data. There is no way to interact (select, order, or page) with objects or fields that are not in the model. This truly alleviates the fear programmers have of making database changes. Now you know the code is not broken.

The model driven development imposed by the tool allows you to manage the database and code base with one tool. They are connected and stay in sync at all times.

However in the end the speed at which you can build software is the greatest benefit. You can literally reverse engineer a database into a model and start building an application in minutes not weeks. Developers should not waste their time synchronizing database schema, DAL, middle-tier objects, UI, etc. They should also be able to change to their framework without fear of code breaking in the production. We should not keep software developers busy building CRUD layer, data access routines, and complex stored procedure logic. The generator allows you to address all of these issues and more. By building less error prone, better organized, code much faster, we can concentrate on the more exciting and complex solutions we want to build.

Conceive, Model, Generate!

Last edited Sep 12, 2009 at 3:34 AM by codetools, version 2


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