Presentations

Spring Web Flow Hidden Gems

Spring Web Flow is a powerful UI flow engine with many unique features to take advantage of in your own applications. In this session, you will learn about some of the lesser known features of Spring Web Flow and when to use them. Even if you have been working with Web Flow for some time, you'll come out of this session having learned something new.

Some of the topics covered include: - How to use named action to implement the chain of responsibility pattern - How to leverage the power of FlowExecutionListeners - How evaluate actions and flow variables form a powerful combo giving you an elegant, object oriented programming paradigm for the web.

Temporal Issues in a Rich Domain Model

This session will explain the common and complex requirement of tracking changes to information managed by a rich domain model. You will be introduced to actual-temporal, record-temporal and bi-temporal change tracking and the issues involved. Furthermore, you will also learn about several different approaches and patterns related to this problem. Finally, Erwin will show you a practical implementation of bi-temporal data leveraging Hibernate.

Come to this session to learn temporal issues in rich domain models and how to tackle them in practice.