Activiti is an open source BPM and workflow system. The first GA release is expected to be out next month i.e. Dec 2010. The roadmap of activiti looks very promising and also involvement of companies like SpringSource and MuleSoft can make it even more interesting. There are couple of good articles and tutorials available on the wiki to help you get started with activiti. To get a feel of the framework, instead of developing a simple hello world app, I thought of integrating activiti with Spring Integration. SpringSource team is working on this integration module and once that is in place some of the boilerplate code from my prototype would be cleaned up. The following blog post demonstrates the use of spring integration mail module with activiti.
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Recently I was playing around with Spring Integration. To understand any new framework one cannot just rely on documentation. So I created a demo application to try out different features of the framework. Since my main motivation was to understand Spring Integration framework, I wanted to spend minimal efforts in input data generation. So I decided to work with Twitter messages.
Most of you must be familiar with Twitter. Twitter is a service for friends, family, and co–workers to communicate and stay connected through the exchange of quick, frequent messages. There are different clients available to use Twitter. In the sample application, I first read the friends timeline. Then based on the source/client used for tweeting, the tweets are routed to different channels. The tweets originated from “web” are simply logged, while the tweets originated from “Dzone.com” are dispatched using a mail sender. The basic flow of the application is depicted in the following diagram.
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