Everything You Need to Know About Domain Driven Design in Delphi

In this video from the recently concluded DelphiCon 2023, Gustavo Mena Barreto, a senior developer from Aquasoft, will walk us through an approach in Software development known as Domain-Driven Design. All software is designed to make our lives a lot easier. It can also be used as an effective tool to operate and grow a business. Every application or software is developed for a specific purpose or subject area which is commonly referred to as the domain. When developing an application, it is always important to know the context in which it applies. Some software, especially those involved in enterprise-level businesses might have multiple domains. They might have a separate department focusing on sales and other business-related matters and a separate department addressing technical concerns. This is where the concept of DDD or Domain-Driven Design comes to play.

What are the uses and benefits of DDD?

Thanks to the author Eric Evans and his book “Domain-Driven Design: Tackling Complexity in the Heart of Software” which introduced the philosophy of DDD and help us understand its importance in software development. In this video, Gustavo will walk us through the fundamentals of Domain-Driven design, the benefits of using it, and a hefty number of examples showcasing how this concept works in Delphi or RAD Studio IDE Software.

Generally, one of the core functions of this approach is to build a system of collaboration, allowing or enabling both technical and non-technical contributors to communicate and understand each other via a common language. The technical contributors were referred to in this video as the “development team” while the non-technical is referred to as the “Domain experts”. This common language shared by both team is known as the “Ubiquitous Language” which will not just help them understand each other but also eliminates the complexity of the project, resulting in a more efficient project and ensuring that everyone is on the same page.

To understand the concept even better, Gustavo will showcase a series of examples and demonstrations using Delphi. He will also highlight some useful tips for those who want to explore Domain-Driven Design. The video also concludes with a Q&A portion with Gustavo and Jim Mckeeth to address all the DDD-related questions from the audience. Feel free to watch the video below to learn more.

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