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Healthy Architectures - Using CQRS and Event Sourcing for Electronic Medical Records

The health care industry has been migrating to electronic medical/health records (EMR/EHR) for some time. Hopwever, problems such as performance and scalability, along with maintaining traceability and reconstructing healthcare related business events need to be addressed. The article introduces the use of techniques and patterns for providing these quality attributes.

Arunava Chatterjee
on Mar 12, 2012
Optimizing ORM Performance

Some developers dislike using object-relational mappers (ORMs) as they’ve had bad experiences with performance. This article covers some basic techniques to optimize the performance when working with an ORM and still getting all the benefits of Object-Relational mapping.

John-Daniel Trask
on Mar 07, 2012
Generating Avro Schemas from XML Schemas Using JAXB

Apache Avro is an up and coming binary marshalling framework. In his new article Benjamin Fagin explains how one can leverage existing XSD tooling to create data definitions and then use XJC plugin to directly generate AVRO schemes and marshaling classes.

Benjamin Fagin
on Mar 06, 2012
Book on Solving Enterprise Applications Performance Puzzles by Leonid Grinshpan

Performance is one of the most critical attributes for enterprise applications. Even though not mentioned explicitly, properties such as response time or throughput are key issues that decide about user acceptance.Leonid Grinshpan, PhD and Consulting Director at Oracle Corporation, has dedicated his book "Solving Enterprise Applications Performance Puzzles" to this topic.

Michael Stal
on Feb 29, 2012
Faster, Better, Higher – But How?

One of the main challenges when designing software architecture is the consideration of quality attributes. Not only their design turns out to be difficult, but also the specification of these attributes. Consequently, many problems in software systems are directly related to the specification and design of quality attributes such as modifiability or performance, to name just a few.

Michael Stal
on Feb 20, 2012
Interview and Book Review: The CERT Oracle Secure Coding Standard for Java

"The CERT Oracle Secure Coding Standard for Java" book covers the rules for secure coding using Java programming language and its libraries with the goal to help Java developers eliminate insecure coding practices that can lead to vulnerable code. InfoQ spoke with book authors about how the security rules discussed in the book compare to other security coding frameworks.

Srini Penchikala
on Feb 15, 2012
Book Review and Interview: Java Performance, by Charlie Hunt and Binu John

Java Performance, by Charlie Hunt and Binu John, provides performance tuning advice for both Java SE and EE applications. Specifically, it provides information on performance monitoring, profiling, tuning HotSpot, and Java EE application performance tuning. InfoQ reviews the book, and talks to the authors about their approach.

Charles Humble
on Feb 01, 2012
New Book: Agile Software Engineering with Visual Studio

“Agile Software Engineering with Visual Studio – from Concept to Continuous Feedback” is a new book that provides a deep-dive into the Visual Studio-TFS features, that can help Agile teams manage their application lifecycle better. It is written by Sam Guckenheimer (Product Owner, Visual Studio Strategy at Microsoft) and Neno Loje (Independent ALM Consultant and TFS specialist).

Roopesh Shenoy
on Jan 26, 2012
Interview and Book Excerpt: Service Design Patterns

"Service Design Patterns" catalogs design patterns that cover the entire lifecycle of web services. This book is the latest addition to the Martin Fowler signature series which also contains a section on consumer driven contracts contributed by Ian Robinson. InfoQ talked to Rob Daigneau, the author of the book, regarding various topics related to the core idea behind "Service Design Patterns".

Jeevak Kasarkod
on Jan 20, 2012
Oracle and the Java Ecosystem

Oracle is making huge efforts to engage with the wider Java ecosystem, but challenges still remain.

Charles Humble
on Jan 16, 2012
Implementing Lucene Spatial Support

Lucene geospatial extension proposed in this article is based on a two level search – first level search is based on Cartesian Grid search and the second level implements shape specific spatial calculations

Boris Lublinsky
on Jan 13, 2012
Interview and Book Review: Programming Concurrency on the JVM

In his latest book "Programming Concurrency on the JVM" author Venkat Subramaniam talks about the concurrency techniques using different JVM programming languages. He also discusses Software Transactional Memory (STM) and Actor-based Concurrency. InfoQ spoke with Venkat about his new book.

Srini Penchikala
on Jan 10, 2012

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