/// <summary>
/// Gets the column members.
/// </summary>
/// <param name="entityType">Type of the entity.</param>
/// <param name="metaModel">The meta model.</param>
/// <returns></returns>
protected virtual IEnumerable<MemberInfo> GetColumnMembers(Type entityType, MetaModel metaModel)
{
foreach (var dataMember in metaModel.GetTable(entityType).RowType.PersistentDataMembers)
{
yield return dataMember.Member;
}
}
[ResourceConsumption(ResourceScope.Assembly | ResourceScope.Machine)] // MappedRootType constructor call.
private MetaType GetMetaType(TypeMapping tm, Type elementType)
{
MetaTable tbl = model.GetTable(elementType);
if (tbl != null)
{
return(tbl.RowType.GetInheritanceType(elementType));
}
return(new MappedRootType((MappedMetaModel)model, null, tm, elementType));
}
private void RegisterNotification(object entity, object entityOriginalState, MetaModel metaModel)
{
if (modifiedProperties.ContainsKey(entity))
return;
modifiedProperties[entity] = null;
var entityChanged = entity as INotifyPropertyChanged;
if (entityChanged != null)
{
entityChanged.PropertyChanged += OnPropertyChangedEvent;
}
var entityChanging = entity as INotifyPropertyChanging;
if (entityChanging != null)
{
entityChanging.PropertyChanging += OnPropertyChangingEvent;
}
// then check all properties, and note them as changed if they already did
if (!ReferenceEquals(entity, entityOriginalState)) // only if we specified another original entity
{
foreach (var dataMember in metaModel.GetTable(entity.GetType()).RowType.PersistentDataMembers)
{
var memberInfo = dataMember.Member;
if (entityOriginalState == null ||
IsPropertyModified(memberInfo.GetMemberValue(entity),
memberInfo.GetMemberValue(entityOriginalState)))
{
SetPropertyChanged(entity, memberInfo.Name);
}
}
}
}
