InfoQ Homepage Design Content on InfoQ
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Domain Driven Design and Development In Practice
In this article, Srini Penchikala discusses Domain Driven Design and Development from a practical stand-point. The article looks at architectural and design guidelines and best practices that can be used in a DDD project. It also talks about the impact of various design concerns like Persistence, Caching, Transaction Management, Security, Code Generation etc in domain model implementation effort.
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Scalability Best Practices: Lessons from eBay
eBay Distinguished Architect at eBay Randy Shoup explains eBay key scalability practices of partitioning, horizontal scale, avoiding XA, asynchronicity, and virtualization. eBay has hundreds of millions of users, over a billion page views a day, and petabytes of data in their systems.
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Book Excerpt and Interview: Effective Java, Second Edition
Effective Java, Second Edition by Joshua Bloch is an updated version of the classic first edition, which was the winner of a 2001 Jolt Award. This edition has been updated to discuss Java 6 language features including generics, enums, annotations, autoboxing, the for-each loop, varargs, and concurrency utilities. InfoQ asked Bloch several questions about the areas that the new edition covers.
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Drinking your Guice too quickly?
Dependency Injection has been around for a while, and many teams are refactoring their applications to use DI. But it can be a struggle. In this article, Paul Hammant explains the route to take to move an existing application from a nest-of-singletons design to a full fledged DI design.
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Addressing Doubts about REST
Invariably, learning about REST means that you’ll end up wondering just how applicable the concept really isbeyond introductory, “Hello, World”-level stuff. In this article, Stefan Tilkov addresses 10 of the most common doubts people have about REST when they start exploring it, especially if they have a strong background in the architectural approach behind SOAP/WSDL-based Web services.
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Hypermedia in RESTful applications
One of the constraints defined for the architectural style known as REST is "hypermedia as the engine of application state". Mark Baker, well-known for being one of the first who advocated the REST style instead of the mainstream web services approach, discusses that the hypermedia constraints means in practice and why it is essential to RESTful design.
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Talking .NET Code Analysis with Patrick Smacchia
Patrick Smacchia is a Visual C# MVP with over 15 years of software development experience. He is the author of Practical .NET 2 and C# 2, books about the .NET platform. He has worked on software in a variety of fields including the stock exchange at Société Générale and a satellite base station at Alcatel. He's currently the lead developer of the tool NDepend.
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Using singleton classes for object metadata
So you have a bunch of objects - let's call it an object graph - provided by some API. Now you want to to process the objects - which requires some intermediate data, for instance: the process creates some metadata that needs to be stored with the objects. The problem: where to store the metadata? We'll show how to use Ruby singleton classes to handle this problem.
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Asynchronous, High-Performance Login for Web Farms
Often during my consulting engagements I run into people who say, "some things just can't be made asynchronous" even after they agree about the inherent scalability that asynchronous communications pattern bring. One often-cited example is user authentication - taking a username and password combo and authenticating it against some back-end store.
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Book Review: Implementation Patterns
Kent Beck's new book, Implementation Patterns, is a book about writing code in Java. The patterns in this book are based on Kent's reading of existing code as well as his own programming habits. The patterns in this book are meant to be a coherent view of how to write code people can understand that serves human as well as economic needs.
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"Code First" Web Services Reconsidered
In this article, Dennis Sosnoski questions the conventional wisdom that a contract-first approach to web services development, i.e. starting from WSDL, is superior to starting from code. He shows how the JiBX framework can be used to practice start-from-code development without incurring the disadvantages, specifically without coupling implementation and interface too tightly.
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Bridging the gap between BI & SOA
Business intelligence (BI) and service-oriented architecture (SOA) have conflicting principles and needs. SOA promotes hiding the data inside the services while BI needs that very data if we want to get meaningful predictions and alerts. This article will show you how you can combine SOA with EDA to solve the BI/SOA conflict and maybe even enhance your SOA.