No Picture

Dust Off Those Patterns Books

With the growing popularity of Event-Driven Architectures (EDA) and Complex Event Processing (CEP), patterns such as the blackboard and observer patterns will become important again (not that they ever really ceased being important). The blackboard…

No Picture

Event Driven Architectures

Came across a pretty cool open source product several weeks ago. It’s an event stream processing engine called Esper developed by a couple guys who look like they have a lot of experience building systems…