Camel in Action

Foreword

I was one of the original founders of both Apache ActiveMQ (an open source high-performance message broker) and ServiceMix (an open source ESB based on JBI and OSGi). I found that Enterprise Integration Patterns were becoming increasingly central to what we were doing on these projects and how we were using them; the only difference was the context and technologies with which we were using the patterns.

There have been many libraries and frameworks over the years to help with integration. But frequently the concepts behind the Enterprise Integration Patterns get transformed into some complex class hierarchies or objects that need to be wired together just so, and the original intentions and patterns are often lost. The developer is ...