Collaboration Case: Query Sub-System States

Description: Query the states (global state, substate, guiding and tracking states) of all required and not ignored subsystems.

Performance:  up to some seconds

Frequency:  Any time

Package Assignment:  Mode Switching.

Preconditions:

• Subsystems states are available for query (via command and/or database access).

Basic Course:

• Query subsystem states
• Send command STATE to all required and not ignored subsystems
  Alternate Course: Read states from database branches
  Exception Course: Command failed
• Return OK reply

Exception Course: Command failed

• Return Error reply

Postconditions:

• Subsystem states are available.

Issues to be Determined or Resolved:

Notes:

Last modified: Thu Jun 28 13:35:28 UTC 2001