public IReadOnlyCollection <IEvent> ExecuteCommands(IReadOnlyCollection <ICommand> commands)
{
var commandsToExecute = commands.OfType <ISyncInMemoryDataObjectCommand>()
.Where(x => x.DataObjectType == typeof(TDataObject))
.ToHashSet();
if (commandsToExecute.Count == 0)
{
return(Array.Empty <IEvent>());
}
var events = new List <IEvent>();
using var transaction = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.ReadCommitted, Timeout = TimeSpan.Zero });
var changes = _changesProvider.GetChanges(commandsToExecute);
var toDelete = changes.Complement.ToArray();
if (toDelete.Length != 0)
{
events.AddRange(_dataChangesHandler.HandleRelates(toDelete));
events.AddRange(_dataChangesHandler.HandleDeletes(toDelete));
_bulkRepository.Delete(toDelete);
}
var toCreate = changes.Difference.ToArray();
if (toCreate.Length != 0)
{
_bulkRepository.Create(toCreate);
events.AddRange(_dataChangesHandler.HandleCreates(toCreate));
events.AddRange(_dataChangesHandler.HandleRelates(toCreate));
}
var toUpdate = changes.Intersection.ToArray();
if (toUpdate.Length != 0)
{
events.AddRange(_dataChangesHandler.HandleRelates(toUpdate));
_bulkRepository.Update(toUpdate);
events.AddRange(_dataChangesHandler.HandleRelates(toUpdate));
events.AddRange(_dataChangesHandler.HandleUpdates(toUpdate));
}
transaction.Complete();
return(events);
}
public IReadOnlyCollection <IEvent> ExecuteCommands(IReadOnlyCollection <ICommand> commands)
{
var commandsToExecute = commands.OfType <ISyncDataObjectCommand>()
.Where(x => x.DataObjectType == typeof(TDataObject))
.Distinct()
.ToArray();
if (!commandsToExecute.Any())
{
return(Array.Empty <IEvent>());
}
var events = new List <IEvent>();
var changes = _changesProvider.GetChanges(commandsToExecute);
var toDelete = changes.Complement.ToArray();
if (toDelete.Length != 0)
{
events.AddRange(_dataChangesHandler.HandleRelates(toDelete));
events.AddRange(_dataChangesHandler.HandleDeletes(toDelete));
_bulkRepository.Delete(toDelete);
}
var toCreate = changes.Difference.ToArray();
if (toCreate.Length != 0)
{
_bulkRepository.Create(toCreate);
events.AddRange(_dataChangesHandler.HandleCreates(toCreate));
events.AddRange(_dataChangesHandler.HandleRelates(toCreate));
}
var toUpdate = changes.Intersection.ToArray();
if (toUpdate.Length != 0)
{
events.AddRange(_dataChangesHandler.HandleRelates(toUpdate));
_bulkRepository.Update(toUpdate);
events.AddRange(_dataChangesHandler.HandleRelates(toUpdate));
events.AddRange(_dataChangesHandler.HandleUpdates(toUpdate));
}
return(events);
}