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eQ! Foundation: Build Enterprise-class e-Business Apps with Little to No Coding
eQ! Foundation: Build Enterprise-class e-Business Apps with Little to No Coding

(December 13, 2002) - Browsersoft Inc. recently released eQ! Foundation, the first declarative development framework for Java that gives mainstream application developers the ability to build enterprise-class e-business applications with little to no Java coding or expertise.

Browsersoft's offering marks a departure from traditional Rapid Application Development approaches, and technologies such as code generation tools. Using the eQ! Foundation, developers focus their time defining quality business components that are critical to the success of applications throughout the enterprise. The eQ! Foundation then combines robust services with an easy-to-learn configuration environment that allows developers to build and deploy applications with little to no coding. This declarative approach to development not only focuses resources toward solving the business, rather than technical requirements of application solutions, but creates a valuable library of reusable business components, even as Java standards and vendor technologies evolve.

Providing a common structure for building and extending applications, the eQ! Foundation addresses many of the concerns in today's IT departments, including the expense of developing internal architectures or investing in "code generation" tools. The eQ! Foundation's component-based declarative approach, and adherence to the best practices of MVC, makes the eQ! Foundation both standards-based and flexible. This also means eQ! works seamlessly with development tools such as IDEs, deployment tools such as Application Servers, Business Rule Generators, Frameworks such as Struts, and other infrastructure found throughout an enterprise.

Browsersoft provides an evaluation download of the eQ! Foundation at www.browsersoft.com.

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The most declarative and transparent development approach available is 'Spreadsheet Programming' with KDCalc.

Programmers and non-programmers design, build, and test complex business logic in MS Excel, and then deploy to applets, servlets, Web Services, or EJBs using KDCalc. The KDCalc Plug-in plugs into the Excel toolbar and turns your cell formulas into byte-code at the touch of a button. The KDCalc Engine is simply Java class that makes your cell formulas available at runtime through an intutitve API. Pass input data into input cells with setCellValue(), and retrieve results from formula cells with getCellValue().

Any project that requires non-tivial calculations gets huge productivity gains by using this aproach. Sales tax calculators, business rules, or transaction processing systems can be developed 20-50 times faster in Excel than by hand-coding in Java, and they can be built and tested by the business people who are driving requirements.

The KDCalc Engine is only 76K, can be embedded into any Java container, and supports over 180 Excel Functions.

http://www.knowledgedynamics.com/KDCalc.htm

The declarative approach uses an XML configuration file, much like a J2EE deployment descriptor. Persistence, business object relationships, connection pooling and adapter information are all contained in this XML file.

Another file is a text properties file that is used for user-defined messages, very much like Struts does for error messages.

Our scripting engine is also an XML syntax and is used for application flow primarily.

More details can be found at the link below

Could you please explain how the declarative approach works? What script/structures/language do you use
for your declarative configuration? Does your declarative approach pertain only to persistence or does it encompass all aspects of MVC?




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