@Override
public <T extends Schedule> void updateSchedules(
int projId, List<T> schedules, ScheduleUpdateAction<T> func)
throws ResourceConflictException {
Map<String, Integer> oldScheduleNames = idNameListToHashMap(dao.getScheduleNames(projId));
// Concurrent call of updateSchedules doesn't happen because having
// ProjectControlStore means that the project is locked.
//
// However, ScheduleExecutor modifies schedules without locking the
// project. Instead, ScheduleExecutor locks schedules. To avoid
// concurrent update of schedules, here needs to lock schedules
// before UPDATE.
for (T schedule : schedules) {
Integer matchedSchedId = oldScheduleNames.get(schedule.getWorkflowName());
if (matchedSchedId != null) {
// found the same name. lock it and update
ScheduleStatus status = dao.lockScheduleById(matchedSchedId);
if (status != null) {
ScheduleTime newSchedule = func.apply(status, schedule);
dao.updateScheduleById(
matchedSchedId,
schedule.getWorkflowDefinitionId(),
newSchedule.getRunTime().getEpochSecond(),
newSchedule.getTime().getEpochSecond());
oldScheduleNames.remove(schedule.getWorkflowName());
}
} else {
// not found this name. inserting a new entry.
catchConflict(
() ->
dao.insertSchedule(
projId,
schedule.getWorkflowDefinitionId(),
schedule.getNextRunTime().getEpochSecond(),
schedule.getNextScheduleTime().getEpochSecond()),
"workflow_definition_id=%d",
schedule.getWorkflowDefinitionId());
}
}
// delete unused schedules
if (!oldScheduleNames.isEmpty()) {
// those names don exist any more.
handle
.createStatement(
"delete from schedules"
+ " where id "
+ inLargeIdListExpression(oldScheduleNames.values()))
.execute();
}
}
