Application Server Support for OpenROAD 4.1
The OpenROAD Application Server is a collection of objects and services that supports N-tiered applications written in OpenROAD 4GL. The Application Server facilities allow OpenROAD 4GL business logic to be shared by a wide variety of client programming environments and languages, including web server scripting languages.
This chapter outlines the following Application Server features found in OpenROAD 4.1:
• Utilizing COM
• 4GL Remote procedure calls
• Automation types
• Fixed signature, dynamic data
• Structured data
• The Remote Server Object
• The Parameter Data Object
• The 4GL RemoteServer system class
• Private servers and shared servers
• Application Server Object Library (ASOLib)