PowerBuilder® 9: Internet and Distributed Application Development

Beyond the Basic Client Application

For many of the EJB client applications that you will develop with PowerBuilder, the steps described thus far are sufficient for building robust client solutions. However, some techniques not yet addressed can become important depending on the characteristics of the enterprise beans you are accessing. These techniques are specifically designed to overcome PowerBuilder's inherent lack of interfaces and inability to downcast object references, two techniques often used in Java applications. In this section, we also take a look at a trick you can use to generate additional proxies for Java classes that may have been missed in the proxy-generation process or that you simply want to leverage in a standalone PowerBuilder ...