The following are examples of how the Logical Attribute API can be used:
In the user directory, a telephone number is stored as the physical attribute phone. It has 10 digits—for example, 9785551212. This physical attribute is associated with the logical attribute formatted_phone.
When the task screen that contains the telephone number is about to be displayed, CA IdentityMinder calls a custom logical attribute handler that formats the physical attribute telephone number appropriately—for example, as (978) 555-1212—and assigns the formatted value to formatted_phone. CA IdentityMinder uses the formatted_phone logical attribute value to display on the task screen.
The physical attribute employeeNumber exists in a data source, and it is mapped to the logical attribute validEmployeeNumber. After a user assigns an employee number to the validEmployeeNumber attribute on the task screen and clicks Submit, CA IdentityMinder calls a custom logical attribute handler to query the data source to be sure that the supplied employee number exists in employeeNumber. If it does not exist, the logical attribute handler throws an exception.
A task screen requires a customer to provide the type of service they have purchased—Gold, Silver, or Bronze. These options are presented in a drop-down list associated with the logical attribute serviceType. When the customer chooses a service level and clicks Submit, CA IdentityMinder calls a logical attribute handler that converts the selected service level to the corresponding physical attribute value (1, 2, or 3) and assigns the value to the physical attribute type.
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