REST in Oracle ADF

Project = Model
select EJB and Java as Project Features
Change the Default Package to br.com.ya.model
click Finish

Step 2 — Create Entity XxCustomBalance
right-click Model Project and choose New > From Gallery
choose Business Tier > EJB > Entities from Tables
select Create Entities from Tables , click Next
select database connection or create new connection if not already exists
select custom table that was created earlier click finish

Step 3 — Open the XxCustomBalance.java file and copy details from XxCustomBalance.java file which I have uploaded

Step 4 — Create the Customer Session Bean
In the Application>Gallery, choose Business Tier>EJB>Session Bean and click OK
EJB Name = XxCustomBalanceService
Uncheck all methods and click Finish
Add the code to XxCustomBalanceService, XxCustomBalanceServiceBean and XxCustomBalanceServiceLocal from corresponding files

Step 5 — Create Project > REST Web Service
change the Default Package to br.com.ya.webservice
Double-click the WebService Project and add Model project as dependent project
Step 6 — Create Service class
right-click Project and choose New > From Gallery choose General > Java Class
In the Create Java Class, change the Name to XxCustomBalanceResource
Copy code from XxCustomBalanceResource.java
Step 7 — right-click XxCustomBalanceResource and choose Create RESTful Service
Configure the RESTful Service

To test the service, right click XxCustomBalanceResource and choose Test. This will create a local service where you can see JSON data for Companies and corresponding Balance amount that we inserted in our custom table. This will create a webservice url something like http://localhost:7101/CustomRESTApp-RESTWebService-context-root/resources/webservice

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