Defining Business Objects
Operations
Use
You use the CRUD (Create, Read, Update, and Delete) and query operations to set queries on the attributes of the business objects. The CRUD methods cannot be modified. You can define query methods according to the data you want to query.
Prerequisites
You have created the application carpool and the following business objects:
· Employee
· Travel
· TravelLocation
Procedure
1. Go to the Operations tab page of the business object Employee.
2. From the Existing Operations view, choose Add…
The New Operation wizard appears.
3. Configure the following operations parameters:
a. In the Operation name field, enter findByLastName.
b. In the Description field, enter Find by last name.
c. From the attributes list, select lastName.
d. Choose Finish.
The operation appears in the Existing Operations list.
4. Repeat steps 2-4 to create query methods for the business objects listed in the tables below.
Business Object |
Method Name |
Description |
Parameters Used |
TravelLocation |
findbyID |
Find by id |
id |
Travel |
findByStartDateStartLocationAndTargetLocation |
Find by start date, start and target locations ids |
startDate, startLocation id, targetLocation id |
5. On the Permissions tab page, for the Travel business object you have created, make sure that the Permissions checks enabled and Permissions on instance level indicators are deselected.
6. Save your application.
Result
You have created query operations for your business objects.
Step 4: