About Model..

About Model..

The entire Database related transactions in OAF pages will be taken care by the MODEL.

• Model is where the application implements business logic.
• Model will implement all the Data Base transactions.
• Model component is implemented using BC4J where BC4J is Business Component for Java.
• BC4J consists of three components:
  • Entity Object and Entity Associations
  • View Objects and View Links
  • Application Module

Model contains six components including BC4J components, additionally the other three components are:

• Callable Statement
• Prepare Statement
• OADB Transactions

Callable statement is used to call a PL/SQL statements, Prepare statements are used if we are using single SELECT statement, and OADB transactions will take care of Oracle APPS related Data Base transactions.