public void Handle(UpdateProcessCommand message)
{
var acDomain = _set._acDomain;
var processRepository = _set._acDomain.RetrieveRequiredService <IRepository <Process, Guid> >();
if (!acDomain.NodeHost.Processs.ContainsProcess(message.Input.Id))
{
throw new NotExistException();
}
var entity = processRepository.GetByKey(message.Input.Id);
if (entity == null)
{
throw new NotExistException();
}
var bkState = _set._dic[entity.Id];
entity.Update(message.Input);
var newState = new ProcessDescriptor(acDomain, ProcessState.Create(entity), entity.Id);
bool stateChanged = newState != bkState;
lock (Locker)
{
if (stateChanged)
{
Update(newState);
}
}
try
{
processRepository.Update(entity);
processRepository.Context.Commit();
}
catch
{
if (stateChanged)
{
Update(bkState);
}
processRepository.Context.Rollback();
throw;
}
if (stateChanged)
{
_set._acDomain.PublishEvent(new ProcessUpdatedEvent(message.AcSession, entity));
_set._acDomain.CommitEventBus();
}
}
public void Handle(AddProcessCommand message)
{
var acDomain = _set._acDomain;
var processRepository = _set._acDomain.RetrieveRequiredService <IRepository <Process, Guid> >();
if (!message.Input.Id.HasValue)
{
throw new ValidationException("标识是必须的");
}
if (acDomain.NodeHost.Processs.ContainsProcess(message.Input.Id.Value))
{
throw new ValidationException("给定标识标识的记录已经存在");
}
var entity = Process.Create(message.Input);
lock (Locker)
{
if (!_set._dic.ContainsKey(entity.Id))
{
_set._dic.Add(entity.Id, new ProcessDescriptor(acDomain, ProcessState.Create(entity), entity.Id));
}
try
{
processRepository.Add(entity);
processRepository.Context.Commit();
}
catch
{
if (_set._dic.ContainsKey(entity.Id))
{
_set._dic.Remove(entity.Id);
}
processRepository.Context.Rollback();
throw;
}
}
_set._acDomain.PublishEvent(new ProcessAddedEvent(message.AcSession, entity));
_set._acDomain.CommitEventBus();
}
private void Init()
{
if (_initialized)
{
return;
}
lock (Locker)
{
if (_initialized)
{
return;
}
_acDomain.MessageDispatcher.DispatchMessage(new MemorySetInitingEvent(this));
_dic.Clear();
var processes = _acDomain.RetrieveRequiredService <INodeHostBootstrap>().GetProcesses();
foreach (var process in processes)
{
_dic.Add(process.Id, new ProcessDescriptor(_acDomain, ProcessState.Create(process), process.Id));
}
_initialized = true;
_acDomain.MessageDispatcher.DispatchMessage(new MemorySetInitializedEvent(this));
}
}
