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Oracle ADF Enterprise Application Development—Made Simple by Sten E. Vesterli

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Framework extension classes

In addition to page flow templates and page templates that are used for the frontend part of the application, you also need another kind of template for the backend business components.

The ADF Framework uses eight base classes for Business Components. The four most important ones are:

  • EntityImpl corresponds to one row of data and contains methods to create a row, set attribute values and perform database operations.
  • ViewObjectImpl corresponds to the view object query. The methods in this class allow you to set bind variable, modify the WHERE clause and execute the query.
  • ViewRowImpl corresponds to the result set from a query and contains a collection of pointers to the actual data stored in EntityImpl objects.
  • ApplicationModuleImpl ...

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