In the Spring framework, many technical features rely on proxy usage. We are going to go in depth on this topic using three examples: Transactions, Caching and Java Configuration. All the code samples shown in this blog entry are available on my github account. Transactions First step: no transaction The Service class below is not Read more...

My last blog post was based on a Spring AMQP stocks sample that involved reacting to external events. This blog post continues that theme with a chat sample where the external events are not AMQP messages but rather HTTP POST requests. Later on I'll switch to a distributed chat where the events will be Redis Read more...

In my last post I discussed how to make a Spring MVC controller method asynchronous by returning a Callable which is then invoked in a separate thread by Spring MVC. But what if async processing depended on receiving an external event that will take place in a thread outside the control of the current request Read more...

In previous posts I introduced the Servlet 3, async support feature in Spring MVC 3.2 M1 and provided background on techniques for real-time updates. In today's post I'll turn to the technical details of the new Spring MVC feature and its impact on various aspects of the Spring MVC request lifecycle. To make any existing Read more...

You've no doubt read Jennifer Hickey's amazing blog posts introducing Cloud Foundry workers, their application in setting up Ruby Resque background jobs, and today's post introducing the Spring support. Key Takeaways for Spring Developers You need to update your version of vmc with gem update vmc. Cloud Foundry workers let you run public static void Read more...