Learning Oracle Integration Cloud Services SOA | BPM

In this post we will perform validation through Method in Oracle ADF and for this purpose will continue the previous post example. In this example we will perform validation on Employee's First Name field and we will restrict the data entry operator to do not leave the first name field empty. First we will generate and configure Java implementation class for Employee Entity Object. Double click on Employee Entity from model.eo package and Open Java tab. From the Java Classes click on yellow pencil button. From the newly opened window click to generate entity object class and also click to include Accessors. 

We can also define the field level validation at Entity Object Level. The purpose of validation is to validate data before sent to the database. Declarative validation involves following steps:- 1) Add validation 2) Define Validation 3) Set Error Message In this post we will continue the previous post example and perform validation on Salary Field. Open the employee entity from model.eo package. From attribute select Salary field, open the Validation Rule tab and click plus sign to Add the Validation.

Lets look how we accutaly built Oracle ADF Components layer for our application. The first step is usually creating Entity Objects and this involves following steps. 1) Mapping to database tables 2) Choosing specific attributes 3) Set attribute properties Start Oracle JDeveloper, Click on New Application and from Categories select Application and from Item select Fusion Web Application (ADF)

Oracle ADF Business Components is part of the Oracle ADF framework that is responsible for simplifying the way that we build  Java EE based business services that interact with database it focus on delivering familiar development approach for developers who are comming from the 4 Generation Lanugage tools such as Oracle Forms, Powerbuilder or Visiual Basic and its provide very declarative approach to creating those business services and relational databases. In funcianility Oracle ADF bussiness component is responsible for simplifing the way that we access the data. It also simplifies the way that we write business logic on top of this data. It uses SQL is the way to define the views of the data that we getting. Its separate actual data views from business logic and perform validation in our application. It is also easy to customize it. ADF Business components consist of three layers 1) Entitiy Objects and Associations 2) View Objects and View ...