private void Init()
{
if (_initialized)
{
return;
}
lock (Locker)
{
if (_initialized)
{
return;
}
_acDomain.MessageDispatcher.DispatchMessage(new MemorySetInitingEvent(this));
_dicById.Clear();
_dicByCode.Clear();
var buttons = _acDomain.RetrieveRequiredService <IOriginalHostStateReader>().GetAllButtons().ToList();
foreach (var button in buttons)
{
if (_dicById.ContainsKey(button.Id))
{
throw new AnycmdException("意外重复的按钮标识");
}
if (_dicByCode.ContainsKey(button.Code))
{
throw new AnycmdException("意外重复的按钮编码");
}
var buttonState = ButtonState.Create(button);
_dicById.Add(button.Id, buttonState);
_dicByCode.Add(button.Code, buttonState);
}
_initialized = true;
_acDomain.MessageDispatcher.DispatchMessage(new MemorySetInitializedEvent(this));
}
}
private void Handle(IAcSession acSession, IButtonUpdateIo input, bool isCommand)
{
var acDomain = _set._acDomain;
var buttonRepository = acDomain.RetrieveRequiredService <IRepository <Button> >();
if (string.IsNullOrEmpty(input.Code))
{
throw new ValidationException("编码不能为空");
}
ButtonState bkState;
if (!acDomain.ButtonSet.TryGetButton(input.Id, out bkState))
{
throw new NotExistException("意外的按钮标识" + input.Id);
}
Button entity;
var stateChanged = false;
lock (MessageLocker)
{
ButtonState oldState;
if (!acDomain.ButtonSet.TryGetButton(input.Id, out oldState))
{
throw new NotExistException("意外的按钮标识" + input.Id);
}
ButtonState button;
if (acDomain.ButtonSet.TryGetButton(input.Code, out button) && button.Id != input.Id)
{
throw new ValidationException("重复的按钮编码");
}
entity = buttonRepository.GetByKey(input.Id);
if (entity == null)
{
throw new NotExistException();
}
entity.Update(input);
var newState = ButtonState.Create(entity);
stateChanged = bkState != newState;
if (stateChanged)
{
Update(newState);
}
if (isCommand)
{
try
{
buttonRepository.Update(entity);
buttonRepository.Context.Commit();
}
catch
{
if (stateChanged)
{
Update(bkState);
}
buttonRepository.Context.Rollback();
throw;
}
}
}
if (isCommand && stateChanged)
{
acDomain.MessageDispatcher.DispatchMessage(new ButtonUpdatedEvent(acSession, entity, input, isPrivate: true));
}
}
private void Handle(IAcSession acSession, IButtonCreateIo input, bool isCommand)
{
var acDomain = _set._acDomain;
var dicById = _set._dicById;
var dicByCode = _set._dicByCode;
var buttonRepository = acDomain.RetrieveRequiredService <IRepository <Button> >();
if (!input.Id.HasValue)
{
throw new AnycmdException("标识是必须的");
}
if (string.IsNullOrEmpty(input.Code))
{
throw new ValidationException("编码不能为空");
}
Button entity;
lock (MessageLocker)
{
if (acDomain.ButtonSet.ContainsButton(input.Id.Value))
{
throw new AnycmdException("给定标识的记录已经存在" + input.Id);
}
if (acDomain.ButtonSet.ContainsButton(input.Code))
{
throw new ValidationException("重复的按钮编码");
}
entity = Button.Create(input);
var buttonState = ButtonState.Create(entity);
if (!dicById.ContainsKey(entity.Id))
{
dicById.Add(entity.Id, buttonState);
}
if (!dicByCode.ContainsKey(entity.Code))
{
dicByCode.Add(entity.Code, buttonState);
}
if (isCommand)
{
try
{
buttonRepository.Add(entity);
buttonRepository.Context.Commit();
}
catch
{
if (dicById.ContainsKey(entity.Id))
{
dicById.Remove(entity.Id);
}
if (dicByCode.ContainsKey(entity.Code))
{
dicByCode.Remove(entity.Code);
}
buttonRepository.Context.Rollback();
throw;
}
}
}
if (isCommand)
{
acDomain.MessageDispatcher.DispatchMessage(new ButtonAddedEvent(acSession, entity, input, isPrivate: true));
}
}