private void InternalAcceptChanges(IChangeTrackable changeTrackable)
{
if (changeTrackable == null)
{
return;
}
var type = changeTrackable.GetType();
foreach (var propertyManagerInfo in _propertyManager.GetInfos(type))
{
AcceptChangeableValue(propertyManagerInfo, changeTrackable);
}
var hashCode = changeTrackable.GetHashCode();
if (IsNew(changeTrackable))
{
_repository.Add(changeTrackable);
_newChangeables.Remove(hashCode);
}
else if (IsChanged(changeTrackable))
{
_repository.Update(changeTrackable);
_changedChangeables.Remove(hashCode);
}
}
/// <summary>
/// Attaches the specified changeTrackable.
/// </summary>
/// <param name="changeTrackable">The changeTrackable.</param>
private void InternalAttach(IChangeTrackable changeTrackable)
{
if ((changeTrackable == null) || IsAttached(changeTrackable))
{
return;
}
foreach (var changeablePropertyInfo in _propertyManager.GetInfos(changeTrackable))
{
AttachChangeableValue(changeablePropertyInfo, changeTrackable);
}
changeTrackable.PropertyChanged += ChangeablePropertyChanged;
_changeables.Add(changeTrackable.GetHashCode());
_newChangeables.Add(changeTrackable.GetHashCode());
}
private void CheckDetached(IChangeTrackable changeTrackable)
{
if (changeTrackable == null)
{
throw new ArgumentNullException("changeTrackable");
}
if (_changeables.Contains(changeTrackable.GetHashCode()))
{
throw new ArgumentException("Instance already attached!");
}
}
private void InternalRollback(IChangeTrackable changeTrackable)
{
if (ChangeableState(changeTrackable) != ChangeState.Changed)
{
return;
}
var type = changeTrackable.GetType();
foreach (var keyValuePair in _changedChangeables[changeTrackable.GetHashCode()].AllChanges)
{
_propertyManager.GetInfo(type, keyValuePair.Key).SetValue(changeTrackable, RollbackValidObject(keyValuePair.Value.OldValue));
}
InternalAcceptChanges(changeTrackable);
}
private bool IsDeleted(IChangeTrackable changeTrackable)
{
return(_deletedChangeables.Contains(changeTrackable.GetHashCode()));
}
private bool IsChanged(IChangeTrackable changeTrackable)
{
return(_changedChangeables.ContainsKey(changeTrackable.GetHashCode()));
}
private bool IsNew(IChangeTrackable changeTrackable)
{
return(_newChangeables.Contains(changeTrackable.GetHashCode()));
}
private bool IsAttached(IChangeTrackable changeTrackable)
{
return(_changeables.Contains(changeTrackable.GetHashCode()));
}