Databases Reference
In-Depth Information
The common uses of the business components are as follows:
Performing Create, Retrieve, Update, Delete (CRUD) operaions
Apply business logic and validaions to the database objects
Transacion management
Some of the highlights of using ADF business components are as follows:
Simplified data access
It is based on XML and Java
Works with diferent applicaion servers and databases
Uses some of the design paterns that are widely accepted
Components are metadata-driven, with opional Java coding
The following are the core components of ADF business components:
Enity objects
Associaions
View objects
View links
Applicaion module
Let us consider the
EmpDirectoryApplication
module, which we created in the previous
chapter. The
DeptEO
and
DeptVO
objects will be created in this chapter, which is why it is
not shown with the icons in the following diagram:
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