What are Aggregates in Domain Driven Design?

As an application begins to grow in complexity, the web of interconnected Entities and associations can begin to get overwhelming. What was once a simple set of Entities and relationships is suddenly a sprawling mess of objects and associations. When the number of interconnected objects increases, so too does the surface area for interacting with […]

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Using Entities in different Bounded Contexts

When a web application is small it is very easy to work with. Small applications have limited scope, few complications and everything you need is within reaching distance. However, as an application begins to grow in scope and responsibility, a small-scale application structure no longer works. Suddenly having every object within reaching distance makes things […]

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Design Inspiration #167

Design Inspiration from Anders Hede Jensen, Blossom, Toga Apartments, Format and Involvio! Design Inspiration is a weekly post that showcases examples of some of the best new web design from around the internet. Anders Hede Jensen http://andershede.com Blossom http://myblossom.com Toga Apartments http://www.toga.com.au Format http://format.com Involvio http://www.involvio.com

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What are Modules in Domain Driven Design?

Most programming language have the concept of self contained modules in one form or another. For example, PHP have the concepts of Namespacing. Namespaces allow you to keep related code under the same “bucket” and prevents name collisions between classes from different vendors. Modules are an important concept in Domain Driven Design for a couple […]

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Creating Domain Objects Recap

One of the central aspects of Domain Driven Design is how Domain Objects attract responsibility to encapsulate the business rules of the application. By encapsulating business logic internally to an object, the consumer of the object does not need to be concerned with how that logic is implemented. For example, we could have an Email […]

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Design Inspiration #166

Design Inspiration from Black Optical, Christchurch Harbour Hotel & Spa, IMM, Cirqle and Flywheel! Design Inspiration is a weekly post that showcases examples of some of the best new web design from around the internet. Black Optical http://blackoptical.com Christchurch Harbour Hotel & Spa http://www.christchurch-harbour-hotel.co.uk IMM http://imm.com Cirqle http://www.cirqle.nl Flywheel https://getflywheel.com

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6 Principles for Writing Maintainable Code

One of the most beautiful things in software development is starting from a clean slate. I’m sure we’ve all worked on projects that are riddled with legacy code that is scary to touch. Starting from a clean slate is like a breath of fresh air. All software development projects start with the best of intentions. […]

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Moving to a new Bounded Context

A couple of months ago I changed the direction of this building Cribbb series of posts to be more focused on a Domain Driven Design approach to building web applications. Since that change of direction we’ve covered quite a bit in terms of the “identity” aspect of the application. So far we have laid the […]

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Design Inspiration #165

Design Inspiration from Wallmob, Oven Bits, Louis XIV Energy, Society Café and Triangly! Design Inspiration is a weekly post that showcases examples of some of the best new web design from around the internet. Wallmob https://www.wallmob.com Oven Bits http://www.ovenbits.com Louis XIV Energy http://louisxivenergy.com Society Café http://www.society-cafe.com Triangly http://triangly.com

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Strategies for Integrating Bounded Contexts

Over the last couple of weeks we have looked at a couple of important topics in the world of Domain Driven Design. First we looked at what are Domain Models and why are they so important to Domain Driven Design. A Domain Model is the focused knowledge around a specific problem to the business. Next […]

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