private void SetEntityState(EntityState newState, Tuple <IProperty, object>[] generatedValues)
{
// The entity state can be Modified even if some properties are not modified so always
// set all properties to modified if the entity state is explicitly set to Modified.
if (newState == EntityState.Modified)
{
_stateData.SetAllPropertiesModified(_entityType.Properties.Count());
}
var oldState = _stateData.EntityState;
if (oldState == newState)
{
return;
}
// An Added entity does not yet exist in the database. If it is then marked as deleted there is
// nothing to delete because it was not yet inserted, so just make sure it doesn't get inserted.
if (oldState == EntityState.Added &&
newState == EntityState.Deleted)
{
newState = EntityState.Unknown;
}
_configuration.Services.StateEntryNotifier.StateChanging(this, newState);
_stateData.EntityState = newState;
if (newState == EntityState.Added)
{
foreach (var generatedValue in generatedValues.Where(v => v != null))
{
this[generatedValue.Item1] = generatedValue.Item2;
}
}
else
{
Contract.Assert(generatedValues == null);
}
if (oldState == EntityState.Unknown)
{
_configuration.Services.StateManager.StartTracking(this);
}
else if (newState == EntityState.Unknown)
{
// TODO: Does changing to Unknown really mean stop tracking?
_configuration.Services.StateManager.StopTracking(this);
}
_configuration.Services.StateEntryNotifier.StateChanged(this, oldState);
}
private void SetEntityState(EntityState entityState, object generatedValue)
{
// The entity state can be Modified even if some properties are not modified so always
// set all properties to modified if the entity state is explicitly set to Modified.
if (entityState == EntityState.Modified)
{
_stateData.SetAllPropertiesModified(_entityType.Properties.Count());
}
var oldState = _stateData.EntityState;
if (oldState == entityState)
{
return;
}
_configuration.Services.StateEntryNotifier.StateChanging(this, entityState);
_stateData.EntityState = entityState;
if (entityState == EntityState.Added &&
generatedValue != null)
{
this[_entityType.GetKey().Properties.Single()] = generatedValue; // TODO: Composite keys not implemented yet.
}
if (oldState == EntityState.Unknown)
{
_configuration.Services.StateManager.StartTracking(this);
}
else if (entityState == EntityState.Unknown)
{
// TODO: Does changing to Unknown really mean stop tracking?
_configuration.Services.StateManager.StopTracking(this);
}
_configuration.Services.StateEntryNotifier.StateChanged(this, oldState);
}
