event method

CommandApplyStatus event(
  1. CommandEvent event
)

Implementation

CommandApplyStatus event(CommandEvent event) {
  if (_seenEventIds.contains(event.eventId)) {
    return const CommandApplyDuplicate();
  }
  final entry = _entries[event.commandId];
  if (entry == null) return const CommandApplyUnknown();
  if (event.generation != entry.generation) {
    return CommandApplyStaleGeneration(entry.generation, event.generation);
  }
  _seenEventIds.add(event.eventId);
  var updated = entry.copyWith(lastEventId: event.eventId);
  final next = _progressStatusOf(event.kind);
  if (!updated.terminal &&
      next != null &&
      _phaseRank(next) >= _phaseRank(updated.status)) {
    updated = updated.copyWith(status: next);
  }
  _entries[event.commandId] = updated;
  return const CommandApplyRecorded();
}