Precedence rules

If you inadvertently create a service name redirection file in which an assigned access service name is not uniquely specified, the system uses precedence rules shown in Table 6-2 to resolve the problem. The first rule defines the highest precedence, the eighth one the lowest.

Table 6-2: Precedence rules

Rule

Description

1

All columns are explicitly defined.

2

requested_service and user_id are specified; application_name uses a wildcard character.

3

requested_service and application_name are specified; user_id uses a wildcard character.

4

user_id and application_name are specified; requested_service uses a wildcard character.

5

Only requested_service is specified; user_id and application_name use wildcard character.

6

Only user_id is specified; requested_service and application_name use wildcard character.

7

Only application_name is specified; requested_service and user_id use wildcard character.

8

Nothing is specified; requested_service, user_id, and application_name use wildcard character.

NoteA null-requested service is treated as any other explicitly-specified service.