| Interface | osid.voting.BallotAuthoringSession | ||
|---|---|---|---|
| Implements | osid.OsidSession | ||
| Description | 
                 This session provides methods for authoring ballots.  | ||
| Method | getBallotId | ||
| Description | 
                     Gets the   | ||
| Return | osid.id.Id | the  Ballot Id  associated with this session  | |
| Compliance | mandatory | This method must be implemented. | |
| Method | getBallot | ||
| Description | 
                     Gets the   | ||
| Return | osid.voting.Ballot | the  Ballot  associated with this session  | |
| Errors | OPERATION_FAILED | unable to complete request | |
| PERMISSION_DENIED | authorization failure | ||
| Compliance | mandatory | This method must be implemented. | |
| Method | canAuthorBallots | ||
| Description | 
                     Tests if this user can perform author ballots. A return 
                    of true does not guarantee successful authorization. A 
                    return of false indicates that it is known all methods in 
                    this session will result in a   | ||
| Return | boolean |  false  if lookup methods are not authorized,  true 
 otherwise  | |
| Compliance | mandatory | This method must be implemented. | |
| Method | getRaces | ||
| Description | 
                     Gets the races on this ballot.  | ||
| Return | osid.voting.RaceList | the races | |
| Errors | OPERATION_FAILED | unable to complete request | |
| PERMISSION_DENIED | authorization failure | ||
| Compliance | mandatory | This method is must be implemented. | |
| Method | addRace | ||
| Description | 
                     Adds a race to this ballot.  | ||
| Parameters | osid.id.Id | raceId | the  Id  of the  Race   | 
| Errors | ALREADY_EXISTS |  raceId  already in ballot  |                 |
| NOT_FOUND |  raceId  not found  |                 ||
| NULL_ARGUMENT |  raceId  is  null   |                 ||
| OPERATION_FAILED | unable to complete request | ||
| PERMISSION_DENIED | authorization failure occurred | ||
| Compliance | mandatory | This method must be implemented. | |
| Method | removeRace | ||
| Description | 
                     Removes a   | ||
| Parameters | osid.id.Id | raceId | the  Id  of the  Race   | 
| Errors | NOT_FOUND |  raceId  not in ballot  |                 |
| NULL_ARGUMENT |  raceId  is  null   |                 ||
| OPERATION_FAILED | unable to complete request | ||
| PERMISSION_DENIED | authorization failure occurred | ||
| Compliance | mandatory | This method must be implemented. | |
| Method | moveRace | ||
| Description | 
                     Moves an existing race to follow another race in this ballot.  | ||
| Parameters | osid.id.Id | raceId | the  Id  of a  Race   | 
osid.id.Id | preceedingRaceId | the  Id  of a preceeding  Race  in the sequence  | |
| Errors | NOT_FOUND |  raceId  or  preceedingRaceId  is not found  |                 |
| NULL_ARGUMENT |  raceId  or  preceedingRaceId  is  null 
  |                 ||
| OPERATION_FAILED | unable to complete request | ||
| PERMISSION_DENIED | authorization failure occurred | ||
| Compliance | mandatory | This method must be implemented. | |
| Method | orderRaces | ||
| Description | 
                     Sequences existing races on this ballot.  | ||
| Parameters | osid.id.Id[] | raceIds | the  Id  of the  Races   | 
| Errors | NOT_FOUND | a  raceId  was not found  |                 |
| NULL_ARGUMENT |  raceIds  is  null   |                 ||
| OPERATION_FAILED | unable to complete request | ||
| PERMISSION_DENIED | authorization failure occurred | ||
| Compliance | mandatory | This method must be implemented. | |