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InfoQ Homepage Object Oriented Design Content on InfoQ

  • Open-Closed Principle in SOLID Object Orientation Rules Challenged

    The Open-Closed Principle, OCP, part of the object-orientation SOLID principles, was recently criticised by Jon Skeet and Robert Ashton who both believes the principle is doing more harm than good. Robert C. Martin, who identified the principles in the early 2000s, however, defends the principle, arguing that you have to look at the full description, not just the short definition.

  • Martin Fowler on Software Design in the 21st Century

    Martin Fowler talks about Software Design in the 21st Century split into three short talks, Schemaless Data Structures, NoSQL & Consistency, and finally the value of Software Design.

  • ModelMapper: An Object To Object Mapping Library

    ModelMapper is an object to object mapping library that eliminates repeatable code for copying objects from one representation to another. By looking at property names it can perform an automatic mapping or hints can be defined that describe precisely the mapping process. It is inspired from AutoMapper which is a similar library for .NET

  • "A standard becomes successful when people don’t talk about it anymore" says OMG's Soley

    OMG CEO Richard Soley in a recent interview shares his observations on hype cycle effects on adoption patterns and how it may affect cloud computing like it did SOA. He extolls some virtues of cloud computing for startups and also explains why it may still not be as big a deal for larger businesses, despite the hype.

  • Akka 1.1 Released, Brings Many Improvements to Futures and Performance, Reduces Dependencies,

    Akka 1.1 was released with many improvements in performance, Futures and more. The basic Akka also has no dependencies except for Scala 2.9. InfoQ caught up with Jonas Bonér to talk about the current state and the future of Akka.

  • OOD vs SOA Approach to SOA Domain Modeling

    Should one approach SOA domain modeling starting with informational or functional constructs? Is a canonical data model the answer to standardizing message formats? What are the various stages of SOA information modeling? Experts on Gervas Douglas's SOA distribution list on yahoo groups put forth their views to answer these questions and more.

  • Object Oriented Programming is out of the CMU Computer Science Introductory Curriculum

    Robert Harper and Dan Licata, Professors of Computer Science at Carnegie Mellon University, announced last week that they have decided to "eliminate entirely" OOP from the CS introductory curriculum.

  • Notes from OOP 2011 Conference in Munich

    The OOP conference (Object Oriented Programming) was held in Munich, Germany, from 24th to 28th January 2011 with “Business Impact through Mastering Change” as its general motto. Despite of its name, the OOP represents one of the largest and long-lasting events on the general field of software engineering.

  • Object Oriented Programming: The Wrong Path?

    In a QCon London 2010 interview with Joe Armstrong, the original developer of Erlang, and Ralph Johnson, long associated with Smalltalk, OOP, and Patterns, the question of whther we've gone down the "wrong path" w.r.t. object orientation all these yearrs. Both interviewees suggest that we have, but this is due to flaws in the implementation of object ideas and not the ideas themselves.

  • Decoupling Your Application From Your Dependency Injection Framework

    Dependency Injection has become a much more accepted and accessible approach in recent years, driven by many factors including increased popularity in SOA, TDD, and many other factors. With this has come increased usage of Dependency Injection frameworks. Bob Martin advises, with examples, applying a decoupling approach between your application code and your Dependency Injection framework.

  • SOA Grammar – Are Services Verbs or Nouns?

    In his new post, Jason Bloomberg introduces two types of services – Entities and Tasks, and explains the role each type of services plays in building SOA systems.

  • "Original Sin" (Would Java be Better Off Without Primitives?)

    Gilad Bracha reopens an old debate; can a language be OO and rely on primitive types? He advances an argument that Java fails to be truly OO because "Java’s original sin was not being a pure object oriented language - a language where everything is an object." The core of the post is whether or not Java could be just as efficient without types. Yes.

  • ODBMS.ORG Adds Persistence Patterns Resources

    ODBMS.ORG has added persistence patterns to its collection of resources for educators, students, professionals, and open source practitioners. Three pattern collections comprise the initial offering in this area. A Best Persistence Pattern Award, is planned for any pattern submitted prior to May 29, 2009.

  • Transcending SOA: OMG Announces Business Ecology Initiative (BEI)

    The Object Management Group (OMG) this month announced a "Business Ecology Intitiative" (BEI) withIBM as Founding Sponsor. BEI is focused on erasing the artificial lines between business and Information Technology (IT) so that IT becomes a ubiquitous, integral and vital asset to the company.

  • Interview: Joseph Yoder on Adaptive Object Model Architecture

    In this interview Joseph Yoder talks about the Adaptive Object Model (AOM) architecture, a software architecture for easily adapting to changing business requirements.

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