internal override void LoadValueFromDb(object value, object exValue, LoadContext loadContext)
{
DataId id = new DataId((string)DataProperty.EscapeFromDBNull(value));
DataObject dataObject = (DataObject)null;
DataObjectChildList dataObjectChildList = (DataObjectChildList)null;
if (!id.IsEmpty)
{
MetadataAssociationRefList refs = this.Metadata.Association.Refs;
MetadataAssociationRef metadataAssociationRef = this.Metadata.Association.Selector == null ? refs[0] : refs.FindBySelectorValue(exValue);
if (metadataAssociationRef == null)
{
throw new DataException(string.Format("Нарушение целостности данных.\n{0}\nОшибка: Невозможно определить класс связанного объекта по значению селектора '{1}'.\n", (object)this.SystemView, exValue));
}
dataObject = this.Session[metadataAssociationRef.RefClass].EnsureCacheItem(id);
if (dataObject.IsNull)
{
dataObject = (DataObject)null;
}
else if (this.Metadata.IsAggregation)
{
dataObjectChildList = dataObject.GetChilds(metadataAssociationRef.OwnerChildRef);
if ((loadContext & LoadContext.FetchAllObjects) != (LoadContext)0)
{
dataObjectChildList.SetCompleted(true);
}
}
}
base.SetValue((object)dataObject);
dataObjectChildList?.AttachChild(this.Object, true);
}
public DataProperty SelectSingleProperty(string path)
{
DataObject dataObject = this;
int startIndex = 0;
while (true)
{
if (DataObject.Assigned(dataObject))
{
int num = path.IndexOf('.', startIndex);
if (num >= 0)
{
string memberName = path.Substring(startIndex, num - startIndex);
MetadataProperty property;
MetadataChildRef childRef;
dataObject.Class.NeedMember(memberName, out property, out childRef);
if (property != null)
{
dataObject = ((LinkProperty)dataObject[property]).Value;
}
else
{
DataObjectChildList childs = dataObject.GetChilds(childRef);
if (childs.Count != 0)
{
dataObject = childs[0];
}
else
{
goto label_6;
}
}
startIndex = num + 1;
}
else
{
goto label_9;
}
}
else
{
break;
}
}
return((DataProperty)null);
label_6:
return((DataProperty)null);
label_9:
if (startIndex > 0)
{
path = path.Substring(startIndex);
}
return(dataObject[path]);
}
private void AssignValue(object value, bool isLoading)
{
bool isAggregation = this.Metadata.IsAggregation;
DataObject dataObject1 = !isAggregation || !this.IsAssigned ? (DataObject)null : (DataObject)this.GetValue();
MetadataAssociationRef metadataAssociationRef1 = (MetadataAssociationRef)null;
DataObject dataObject2 = (DataObject)value;
if (!isLoading)
{
dataObject2 = this.Session.EnsureSessionObject(dataObject2);
}
if (DataObject.Assigned(dataObject2))
{
metadataAssociationRef1 = this.Metadata.Association.Refs.Find(dataObject2.Class);
if (metadataAssociationRef1 == null)
{
throw new DataException(string.Format("Попытка присвоить объект '{0}' свойству '{1}' объекта '{2}'", (object)dataObject2.Class.Name, (object)this.Metadata.Name, (object)this.Object.Class.Name));
}
}
else
{
dataObject2 = (DataObject)null;
}
base.SetValue((object)dataObject2);
if (!isAggregation || DataObject.SameObjects(dataObject2, dataObject1))
{
return;
}
if (DataObject.Assigned(dataObject1))
{
MetadataAssociationRef metadataAssociationRef2 = this.Metadata.Association.Refs.Need(dataObject1.Class);
dataObject1.GetChilds(metadataAssociationRef2.OwnerChildRef).DetachChild(this.Object, isLoading);
}
if (DataObject.Assigned(dataObject2))
{
dataObject2.GetChilds(metadataAssociationRef1.OwnerChildRef).AttachChild(this.Object, isLoading);
}
}