About This Book
- A rapid introduction to the features of EJB 3
- EJB 3 features explored concisely with accompanying code examples
- Easily enhance Java applications with new, improved Enterprise Java Beans
OpenStack Heat orchestration makes it easy to build templates for application deployment and auto-scaling. The built-in resource types offer access to many of the existing OpenStack services. However, you may need to integrate with an internal CMDB or service registry, or configure some other services outside of OpenStack as you launch your application. In this post I will explain how you can add your own custom Heat resources to extend Heat orchestration to meet your needs.
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This book is primarily aimed at professional developers who already have a working knowledge of Java. Enterprise architects and designers with a background in Java would also find this book of use. Previous experience of working with Java is essential and knowledge of relational databases is desirable.
As this book is an introduction to EJB 3, it is aimed at those who are new to EJB 3. As the new version of EJB is so radically different from the previous version (EJB 2.x), the book is suitable for and should be of interest to those who have had experience working with EJB 2.x. The text makes it clear where the differences between the versions of EJB lie, although they are not explored in detail.