Developing Applications with Java™ and UML

Creating a BMP Implementation

It may seem awkward that we started with what might seem like a very hands-on implementation in Chapter 11, followed by the very hands-off implementation that CMP provides, only to end with another relatively hands-on implementation with BMP. But there's a reason. I firmly believe that as the EJB vendor community embraces the EJB 2.0 specification, and in particular its support for a common CMP standard, fewer projects will choose BMP as a solution. It may be necessary sometimes, but lifting the burden of writing and managing SQL calls from the project team eliminates at least 20 to 25 percent of the effort. It also shortens the testing cycle; the ripple effect is exponential.

Let's examine what is necessary to make ...