Reserved State Tasking Request Choice

184 Copyright © 2011 Open Geospatial Consortium then the substate will be Reserved. If the intention was to submit a task then the substate will be InExecution. Table 73 — Connections of the Tasking Request choice Connector type name Source state Target state Notes Transition TaskReservation Tasking Request Choice Reserved A feasible tasking request with the intention to reserve a task enters the Reserved state. Note: a service can support notification that a task was reserved by implementing the TaskingRequestAccepted event see Table 64. Transition TaskSubmission Tasking Request Choice InExecutio n A feasible tasking request with the intention to submit a task enters the InExecution state. Note: a service can support notification that a task was submitted by implementing the TaskingRequestAccepted event see Table 64. Transition TaskReservationO rSubmission Initial State Tasking Request Choice A feasible tasking request with the intention to reserve or submit an implied task automatically enters the Scheduled state.

10.1.2.5 Final State

A task that was completed, has expired, was cancelled or has failed is in its final state. The service does not allow any confirmation, update or cancellation of a finalized task. An exception with ModificationOfFinalizedTask code will be thrown if one of these requests is received for a finalized task. An InvalidParameterValue exception is thrown if the task identifier in the request is unknown to the service. Copyright © 2011 Open Geospatial Consortium 185 Table 74 — Connections of the Final state Connector type name Source state Target state Notes Transition TaskCancellation Scheduled Final State If supported by the service, a client may cancel a scheduled task. A service may reject a cancellation request. Data gathered and published for such a task should not automatically be deleted so that a client can at least retrieve the data that was gathered until the task was cancelled. If supported, the service shall notify interested consumers about this event. Transition TaskCompletion InExecution Final State If a task is completed as planned, it is finalized. If supported, the service shall notify interested consumers about this event. Transition ReservationExpira tion Reserved Final State