public void Discard(DataContainer dataContainer)
{
ArgumentUtility.CheckNotNull("dataContainer", dataContainer);
var unregisterEndPointsCommand = _relationEndPointManager.CreateUnregisterCommandForDataContainer(dataContainer);
var unregisterDataContainerCommand = CreateUnregisterDataContainerCommand(dataContainer.ID);
var compositeCommand = new CompositeCommand(unregisterEndPointsCommand, unregisterDataContainerCommand);
try
{
compositeCommand.NotifyAndPerform();
}
catch (Exception ex)
{
var message = string.Format("Cannot discard data for object '{0}': {1}", dataContainer.ID, ex.Message);
throw new InvalidOperationException(message, ex);
}
dataContainer.Discard();
var domainObject = dataContainer.DomainObject;
_invalidDomainObjectManager.MarkInvalid(domainObject);
}
public void Perform()
{
// Reset end-point manager before resetting the DataContainers so that the VirtualEndPointUnregistering events come before the
// DataManagerUnregistering events (although that shouldn't make any difference to users and is definitely an implementation detail)
_relationEndPointManager.Reset();
_unloadedDataContainers = _dataContainerMap.ToList();
foreach (var dataContainer in _unloadedDataContainers)
{
_dataContainerMap.Remove(dataContainer.ID);
var dataContainerState = dataContainer.State;
dataContainer.Discard();
if (dataContainerState == StateType.New)
{
_invalidDomainObjectManager.MarkInvalid(dataContainer.DomainObject);
}
}
Assertion.IsTrue(_dataContainerMap.Count == 0);
}