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Web Data Access Developer
A simple, easy-to-use, Eclipse plug-in development environment for building a basic data access client.
Date Posted: June 30, 2005
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What is Web Data Access Developer?
The Web Data Access Developer provides a single package, based on the Eclipse framework, that bundles both a development environment and a run-time environment. This tool has a simple point-and-click interface that generates a Web-based data access client without writing a single line of code. Alternatively, it can be connected to any of several user interface development tools in order to target different developer skills. The Web Data Access Developer is an end-to-end solution that results in a simpler and less expensive development and deployment tool for form-based data access clients.
Typical client examples include basic line-of-business applications such as patient registration and medical data access within a doctor's office. In our example scenario, the receptionist takes the personal information for a new patient and enters it into the registration screen. The doctor or nurse retrieves the patient's data from within the examination room, takes the patient's medical history, and updates the patient record at the end of the exam. Finally, the business manager verifies the patient's insurance coverage and files the claim for the recent visit. In this example, an Apache open source run-time environment (Tomcat server, along with an open-source Cloudscape "Derby" database) is used. Since the tool is a plug-in for Eclipse, it can support multiple J2EE standard run-time environments. As the customer's technology needs grow, the open-source components can be replaced by supported IBM products or other J2EE products.
How does it work? The Express Web Development tool is an Eclipse plug-in that requires Apache Torque as the persistence layer. A data application programming interface (API) is provided that can be paired with one of several graphical user interface (GUI) development tools. This release supports Sun's JavaTM ServerFaces (JSF) for its example of support for autogenerated presentation layers. Alternatively, it can support Abstract User Interface Markup Language (AUIML) as a visual editor for the developer who wants more control over the client application's look and feel. This technology has also been tested using IBM Cloudscape 10 and Workplace Client Technology Micro Edition - Enterprise Offering (WCTME-EO) for the internal proof of concept; it was then easily redeployed for the application using WebSphere® Application Server Express and DB2® Express.
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| | About the technology author(s):
This technology was built by Lori Small, Collen Connearney, Vincent Lauria, and the Extreme Blue team of Spring 2005 (Express Web Development). Lori Small was the lead technical mentor with Collen Connearney as co-mentor. Vincent Lauria was the business resource who defined the business case.
Lori Small is a member of the SMB Emerging Technologies group, where she is researching how development and operational tools are used in the mid-market of SMB. Previously, Ms. Small worked for the IBM Software Group On Demand Solution Center (ODSC) as a solution architect of reference implementations showcasing IBM and its partner products within typical industry scenarios. She has also worked in event management (IBM and Tivoli) and, prior to joining IBM, in the telecom industry.
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