Ejemplo n.º 1
0
        public virtual void EnsurePropertyIsLoaded(object obj, IPropertyMap propertyMap)
        {
            IObjectManager     om = this.Context.ObjectManager;
            IPersistenceEngine pe = this.Context.PersistenceEngine;
            ObjectStatus       objStatus;
            PropertyStatus     propStatus;

            objStatus = om.GetObjectStatus(obj);
            if (objStatus != ObjectStatus.Deleted)
            {
                if (objStatus == ObjectStatus.NotLoaded)
                {
                    pe.LoadObject(ref obj);
                    if (pe == null)
                    {
                        throw new ObjectNotFoundException("Object not found!");                         // do not localize
                    }
                }
                propStatus = om.GetPropertyStatus(obj, propertyMap.Name);
                if (propStatus == PropertyStatus.NotLoaded)
                {
                    pe.LoadProperty(obj, propertyMap.Name);
                }
            }
            else
            {
                //We really ought to throw an exception here...
            }
        }
Ejemplo n.º 2
0
        public IObjectClone CloneObject(object obj)
        {
            IObjectManager om    = this.Context.ObjectManager;
            IObjectClone   clone = new ObjectClone();

            IClassMap classMap = this.Context.DomainMap.MustGetClassMap(obj.GetType());

            foreach (IPropertyMap propertyMap in classMap.GetAllPropertyMaps())
            {
                if (propertyMap.IsCollection)
                {
                }
                else
                {
                    if (om.HasOriginalValues(obj, propertyMap.Name))
                    {
                        clone.SetPropertyValue(propertyMap.Name, om.GetPropertyValue(obj, propertyMap.Name));
                        clone.SetOriginalPropertyValue(propertyMap.Name, om.GetOriginalPropertyValue(obj, propertyMap.Name));
                        clone.SetNullValueStatus(propertyMap.Name, om.GetNullValueStatus(obj, propertyMap.Name));
                        clone.SetUpdatedStatus(propertyMap.Name, om.GetUpdatedStatus(obj, propertyMap.Name));
                    }
                }
            }

            clone.SetObjectStatus(om.GetObjectStatus(obj));

            this.clonedObjects.Add(obj);

            return(clone);
        }
Ejemplo n.º 3
0
        public void EnsureLoaded()
        {
            if (MuteNotify)
            {
                return;
            }

            IContext       ctx        = interceptable.GetInterceptor().Context;
            IObjectManager om         = ctx.ObjectManager;
            PropertyStatus propStatus = om.GetPropertyStatus(interceptable, propertyName);

            if (propStatus == PropertyStatus.NotLoaded)
            {
                ObjectStatus objStatus = om.GetObjectStatus(interceptable);
                if (!(objStatus == ObjectStatus.UpForCreation))
                {
                    bool stackMute = MuteNotify;
                    MuteNotify = true;

                    ctx.PersistenceEngine.LoadProperty(interceptable, propertyName);

                    MuteNotify = stackMute;
                }
            }
        }
Ejemplo n.º 4
0
        public IObjectClone CloneObject(object obj)
        {
            IObjectManager om    = this.Context.ObjectManager;
            IObjectClone   clone = new ObjectClone();

            IClassMap classMap = this.Context.DomainMap.MustGetClassMap(obj.GetType());

            foreach (IPropertyMap propertyMap in classMap.GetAllPropertyMaps())
            {
                if (propertyMap.IsCollection)
                {
                    //TODO: Implement this
                }
                else
                {
                    clone.SetPropertyValue(propertyMap.Name, om.GetPropertyValue(obj, propertyMap.Name));
                    clone.SetNullValueStatus(propertyMap.Name, om.GetNullValueStatus(obj, propertyMap.Name));
                    clone.SetUpdatedStatus(propertyMap.Name, om.GetUpdatedStatus(obj, propertyMap.Name));

                    if (om.HasOriginalValues(obj, propertyMap.Name))
                    {
                        clone.SetOriginalPropertyValue(propertyMap.Name, om.GetOriginalPropertyValue(obj, propertyMap.Name));
                    }
                }
            }

            clone.SetObjectStatus(om.GetObjectStatus(obj));

            IIdentityHelper identityHelper = obj as IIdentityHelper;

            if (identityHelper != null)
            {
                clone.SetIdentity(identityHelper.GetIdentity());

                if (identityHelper.HasIdentityKeyParts())
                {
                    foreach (object keyPart in identityHelper.GetIdentityKeyParts())
                    {
                        clone.GetIdentityKeyParts().Add(keyPart);
                    }
                }
                if (identityHelper.HasKeyStruct())
                {
                    clone.SetKeyStruct(identityHelper.GetKeyStruct());
                }
            }

            this.clonedObjects.Add(obj);

            return(clone);
        }
Ejemplo n.º 5
0
        public void ValidateObject(object obj, IList exceptions)
        {
            IObjectManager om       = this.Context.ObjectManager;
            IClassMap      classMap = this.Context.DomainMap.MustGetClassMap(obj.GetType());

            ValidationMode objValidationMode = GetValidationMode(classMap);

            if (objValidationMode != ValidationMode.Off)
            {
                CustomValidateObject(obj, classMap, exceptions);
                ObjectStatus objStatus = om.GetObjectStatus(obj);
                foreach (IPropertyMap propertyMap in classMap.GetAllPropertyMaps())
                {
                    ValidationMode validationMode = GetValidationMode(classMap, propertyMap);

                    if (validationMode != ValidationMode.Off)
                    {
                        PropertyStatus propStatus = om.GetPropertyStatus(obj, propertyMap.Name);

                        if (validationMode == ValidationMode.ValidateAll && objStatus != ObjectStatus.UpForCreation)
                        {
                            this.Context.ObjectManager.EnsurePropertyIsLoaded(obj, propertyMap);
                        }

                        if (objStatus == ObjectStatus.UpForCreation || propStatus != PropertyStatus.NotLoaded)
                        {
                            bool ok = false;
                            if (validationMode == ValidationMode.Default || validationMode == ValidationMode.ValidateLoaded || validationMode == ValidationMode.ValidateAll)
                            {
                                ok = true;
                            }
                            else if (validationMode == ValidationMode.ValidateDirty)
                            {
                                if (propStatus == PropertyStatus.Dirty)
                                {
                                    ok = true;
                                }
                            }

                            if (ok)
                            {
                                DoValidateProperty(obj, propertyMap, exceptions);
                            }
                        }
                    }
                }
            }
        }
Ejemplo n.º 6
0
        public virtual void InvalidateProperty(object obj, IPropertyMap propertyMap)
        {
            IObjectManager     om = this.Context.ObjectManager;
            IPersistenceEngine pe = this.Context.PersistenceEngine;
            ObjectStatus       objStatus;
            PropertyStatus     propStatus;

            objStatus  = om.GetObjectStatus(obj);
            propStatus = om.GetPropertyStatus(obj, propertyMap.Name);
            if (propStatus == PropertyStatus.NotLoaded)
            {
                RemoveOriginalValues(obj, propertyMap.Name);

                //pe.LoadProperty(obj, propertyMap.Name);
            }
        }
Ejemplo n.º 7
0
        public void ValidateObject(object obj, IList exceptions)
        {
            IObjectManager om       = this.Context.ObjectManager;
            IClassMap      classMap = this.Context.DomainMap.MustGetClassMap(obj.GetType());

            CustomValidateObject(obj, classMap, exceptions);
            ObjectStatus objStatus = om.GetObjectStatus(obj);

            foreach (IPropertyMap propertyMap in classMap.GetAllPropertyMaps())
            {
                PropertyStatus propStatus = om.GetPropertyStatus(obj, propertyMap.Name);
                if (objStatus == ObjectStatus.UpForCreation || propStatus != PropertyStatus.NotLoaded)
                {
                    DoValidateProperty(obj, propertyMap, exceptions);
                }
            }
        }
        public virtual PropertyStatus GetPropertyStatus(object obj, string propertyName)
        {
            ObjectStatus objStatus = m_ObjectManager.GetObjectStatus(obj);

            if (objStatus == ObjectStatus.UpForCreation)
            {
                return(PropertyStatus.Dirty);
            }
            if (objStatus == ObjectStatus.Deleted)
            {
                return(PropertyStatus.Deleted);
            }
            if (m_ObjectManager.IsDirtyProperty(obj, propertyName))
            {
                return(PropertyStatus.Dirty);
            }
            if (m_ObjectManager.HasOriginalValues(obj, propertyName))
            {
                return(PropertyStatus.Clean);
            }
            return(PropertyStatus.NotLoaded);
        }
Ejemplo n.º 9
0
        private void NullifyInverseReference(IPropertyMap propertyMap, object obj, IPropertyMap invPropertyMap, IObjectManager om)
        {
            bool stackMute = false;
            IInterceptableList mList;
            IList refList;
            IList list;
            object thisObj;
            object refObj;

            //Ensure that the property is loaded
            if (this.Context.GetPropertyStatus(obj, propertyMap.Name) == PropertyStatus.NotLoaded)
            {
                this.Context.LoadProperty(obj, propertyMap.Name);
            }

            if (propertyMap.IsCollection)
            {
                list = (IList) om.GetPropertyValue(obj, propertyMap.Name);
                if (list == null)
                {
                    list = this.Context.ListManager.CreateList(obj, propertyMap);
                }
                if (list != null)
                {
                    if (invPropertyMap.IsCollection)
                    {
                        foreach (object itemRefObj in list)
                        {
                            ObjectStatus refObjStatus = om.GetObjectStatus(itemRefObj);
                            if (!(refObjStatus.Equals(ObjectStatus.UpForDeletion) && refObjStatus.Equals(ObjectStatus.Deleted)))
                            {
                                //Ensure inverse is loaded
                                PropertyStatus invPropertyStatus = this.Context.GetPropertyStatus(itemRefObj, invPropertyMap.Name);
                                if (invPropertyMap.IsSlave && invPropertyStatus == PropertyStatus.NotLoaded)
                                {
                                    AddAction(InverseActionType.Remove, itemRefObj, invPropertyMap.Name, obj, obj);
                                }
                                else
                                {
                                    if (invPropertyStatus == PropertyStatus.NotLoaded)
                                        this.Context.LoadProperty(itemRefObj, invPropertyMap.Name);

                                    refList = ((IList) (om.GetPropertyValue(itemRefObj, invPropertyMap.Name)));
                                    if (refList.Contains(obj))
                                    {
                                        mList = refList as IInterceptableList;
                                        if (mList != null)
                                        {
                                            stackMute = mList.MuteNotify;
                                            mList.MuteNotify = true;
                                        }
                                        refList.Remove(obj);
                                        if (mList != null) { mList.MuteNotify = stackMute; }
                                        om.SetUpdatedStatus(itemRefObj, invPropertyMap.Name, true);
                                    }
                                }
                            }
                        }
                    }
                    else
                    {
                        foreach (object itemRefObj in list)
                        {
                            ObjectStatus refObjStatus = om.GetObjectStatus(itemRefObj);
                            if (!(refObjStatus.Equals(ObjectStatus.UpForDeletion) && refObjStatus.Equals(ObjectStatus.Deleted)))
                            {
                                PropertyStatus invPropertyStatus = this.Context.GetPropertyStatus(itemRefObj, invPropertyMap.Name);
                                if (invPropertyMap.IsSlave && invPropertyStatus == PropertyStatus.NotLoaded)
                                {
                                    AddAction(InverseActionType.Set, itemRefObj, invPropertyMap.Name, null, obj);
                                }
                                else
                                {
                                    //Ensure inverse is loaded
                                    if (invPropertyStatus == PropertyStatus.NotLoaded)
                                        this.Context.LoadProperty(itemRefObj, invPropertyMap.Name);

                                    thisObj = om.GetPropertyValue(itemRefObj, invPropertyMap.Name);
                                    if (thisObj != null)
                                    {
                                        if (thisObj == obj)
                                        {
                                            om.SetPropertyValue(itemRefObj, invPropertyMap.Name, null);
                                            om.SetUpdatedStatus(itemRefObj, invPropertyMap.Name, true);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            else
            {
                refObj = om.GetPropertyValue(obj, propertyMap.Name);
                if (refObj != null)
                {
                    ObjectStatus refObjStatus = om.GetObjectStatus(refObj);
                    if (!(refObjStatus.Equals(ObjectStatus.UpForDeletion) && refObjStatus.Equals(ObjectStatus.Deleted)))
                    {
                        PropertyStatus invPropertyStatus = this.Context.GetPropertyStatus(refObj, invPropertyMap.Name);
                        //Ensure inverse is loaded
                        if (invPropertyMap.IsSlave && invPropertyStatus == PropertyStatus.NotLoaded)
                        {
                            if (invPropertyMap.IsCollection)
                            {
                                AddAction(InverseActionType.Remove, refObj, invPropertyMap.Name, obj, obj);
                            }
                            else
                            {
                                AddAction(InverseActionType.Set, refObj, invPropertyMap.Name, null, obj);
                            }
                        }
                        else
                        {
                            if (invPropertyStatus == PropertyStatus.NotLoaded)
                                this.Context.LoadProperty(refObj, invPropertyMap.Name);

                            if (invPropertyMap.IsCollection)
                            {
                                refList = ((IList) (om.GetPropertyValue(refObj, invPropertyMap.Name)));
                                if (refList.Contains(obj))
                                {
                                    mList = refList as IInterceptableList;
                                    if (mList != null)
                                    {
                                        stackMute = mList.MuteNotify;
                                        mList.MuteNotify = true;
                                    }
                                    refList.Remove(obj);
                                    if (mList != null) {mList.MuteNotify = stackMute;}
                                    om.SetUpdatedStatus(refObj, invPropertyMap.Name, true);
                                }

                            }
                            else
                            {
                                thisObj = om.GetPropertyValue(refObj, invPropertyMap.Name);
                                if (thisObj != null)
                                {
                                    //only update back ref if it is actually pointing at me
                                    if (thisObj == obj)
                                    {
                                        om.SetPropertyValue(refObj, invPropertyMap.Name, null);
                                        om.SetUpdatedStatus(refObj, invPropertyMap.Name, true);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
Ejemplo n.º 10
0
        //[DebuggerStepThrough()]
        protected virtual void DoNotifyPropertySet(object obj, string propertyName, ref object value, object oldValue, bool hasOldValue, ref bool cancel)
        {
            IContext                ctx = this.Context;
            IObjectManager          om  = ctx.ObjectManager;
            IPersistenceEngine      pe  = ctx.PersistenceEngine;
            PropertyCancelEventArgs e;

            if (hasOldValue)
            {
                e = new PropertyCancelEventArgs(obj, propertyName, value, oldValue, this.Context.ObjectManager.GetNullValueStatus(obj, propertyName));
            }
            else
            {
                e = new PropertyCancelEventArgs(obj, propertyName, value, this.Context.ObjectManager.GetPropertyValue(obj, propertyName), this.Context.ObjectManager.GetNullValueStatus(obj, propertyName));
            }
            this.Context.EventManager.OnWritingProperty(this, e);
            if (e.Cancel)
            {
                cancel = true;
                return;
            }
            value = e.NewValue;
            IClassMap    classMap = ctx.DomainMap.MustGetClassMap(obj.GetType());
            IPropertyMap propertyMap;
            string       prevId;
            string       newId;

            propertyMap = classMap.MustGetPropertyMap(propertyName);

            if (propertyMap.ReferenceType != ReferenceType.None && value != null)
            {
                if (propertyMap.ReferenceType == ReferenceType.OneToMany || propertyMap.ReferenceType == ReferenceType.OneToOne)
                {
                    //parent object
                    IInterceptable ivalue = value as IInterceptable;
                    if (ivalue == null)
                    {
                        throw new NPersistException(string.Format("Object is not a NPersist managed object, do not use 'new' on Entities. (Property='{0}', Owner={1})", propertyName, obj));
                    }
                    else
                    {
                        if (ivalue.GetInterceptor().Context != this.Context)
                        {
                            throw new NPersistException(string.Format("Object does not belong to the same context object as the property owner. (Property='{0}', Owner={1})", propertyName, obj));
                        }
                        ObjectStatus valueObjectStatus = om.GetObjectStatus(value);
                        if (valueObjectStatus == ObjectStatus.UpForDeletion || valueObjectStatus == ObjectStatus.Deleted)
                        {
                            throw new DeletedObjectException(string.Format("Object has been deleted. (Object={0})", value), value);
                        }
                    }
                }
                else if (propertyMap.ReferenceType == ReferenceType.ManyToOne || propertyMap.ReferenceType == ReferenceType.ManyToMany)
                {
                    IInterceptableList ivalue = value as IInterceptableList;
                    if (ivalue == null)
                    {
                        throw new NPersistException(string.Format("List is not a NPersist managed list, do not use 'new' to initialize lists, NPersist does this for you. (Property='{0}', Owner={1})", propertyName, obj));
                    }
                    else if (ivalue.Interceptable.GetInterceptor().Context != this.Context)
                    {
                        throw new NPersistException(string.Format("List does not belong to the same context object as the property owner. (Property='{0}', Owner={1})", propertyName, obj));
                    }
                }
            }

            if (propertyMap.IsReadOnly)
            {
                //Let read-only inverse properties through
                if (!(propertyMap.ReferenceType != ReferenceType.None && propertyMap.Inverse.Length > 0 && propertyMap.NoInverseManagement == false))
                {
                    //Special - if someone forgot to make their ManyOne read-only,
                    //why bug them about it? (so don't add an "else" with an exception...)
                    if (propertyMap.ReferenceType != ReferenceType.ManyToOne)
                    {
                        throw new ReadOnlyException("Property '" + classMap.Name + "." + propertyName + "' is read-only!");                         // do not localize
                    }
                }
            }
            PropertyStatus propStatus        = PropertyStatus.Clean;
            ObjectStatus   objStatus         = om.GetObjectStatus(obj);
            bool           hasPropertyStatus = false;

            if (objStatus == ObjectStatus.Deleted)
            {
                throw new DeletedObjectException("The object has been deleted!", obj, propertyName);                 // do not localize
            }
            else if (objStatus == ObjectStatus.UpForDeletion)
            {
                throw new DeletedObjectException("The object has been registered as up for deletion!", obj, propertyName);                 // do not localize
            }

            this.Context.ObjectCloner.EnsureIsClonedIfEditing(obj);

            if (objStatus == ObjectStatus.UpForCreation)
            {
            }
            else if (objStatus == ObjectStatus.Clean)
            {
                propStatus = om.GetPropertyStatus(obj, propertyName);
                if (propStatus == PropertyStatus.NotLoaded)
                {
                    pe.LoadProperty(obj, propertyName);
                }
                if (!(hasOldValue))
                {
                    if (!(om.ComparePropertyValues(obj, propertyName, value, om.GetPropertyValue(obj, propertyName))))
                    {
                        this.Context.UnitOfWork.RegisterDirty(obj);
                    }
                }
            }
            else if (objStatus == ObjectStatus.NotLoaded)
            {
                propertyMap = this.Context.DomainMap.MustGetClassMap(obj.GetType()).MustGetPropertyMap(propertyName);
                if (!(propertyMap.IsIdentity))
                {
                    propStatus        = this.Context.ObjectManager.GetPropertyStatus(obj, propertyName);
                    hasPropertyStatus = true;
                    //it would be sweet to be able to determine beforehand if this property would be part of the span
                    //that is loaded with LoadObject and only call LoadObject if that is the case....
                    if (propStatus == PropertyStatus.NotLoaded)
                    {
                        hasPropertyStatus = false;
                        //this.Context.PersistenceEngine.LoadObject(ref obj);
                        this.Context.IdentityMap.LoadObject(ref obj, true);
                        if (obj == null)
                        {
                            throw new ObjectNotFoundException("Object not found!");                             // do not localize
                        }
                    }
                    if (!hasPropertyStatus)
                    {
                        propStatus = om.GetPropertyStatus(obj, propertyName);
                    }

                    if (propStatus == PropertyStatus.NotLoaded)
                    {
                        pe.LoadProperty(obj, propertyName);
                    }
                }

                if (!(hasOldValue))
                {
                    if (!(om.ComparePropertyValues(obj, propertyName, value, om.GetPropertyValue(obj, propertyName))))
                    {
                        this.Context.UnitOfWork.RegisterDirty(obj);
                    }
                }
            }
            else if (objStatus == ObjectStatus.Dirty)
            {
                propStatus = om.GetPropertyStatus(obj, propertyName);
                if (propStatus == PropertyStatus.NotLoaded)
                {
                    pe.LoadProperty(obj, propertyName);
                }
            }
            if (propertyMap.IsIdentity)
            {
                prevId = om.GetObjectIdentity(obj);
                newId  = om.GetObjectIdentity(obj, propertyMap, value);
                if (prevId != newId)
                {
                    ctx.IdentityMap.UpdateIdentity(obj, prevId, newId);
                }
            }
            om.SetNullValueStatus(obj, propertyName, false);
            om.SetUpdatedStatus(obj, propertyName, true);
            if (hasOldValue)
            {
                ctx.InverseManager.NotifyPropertySet(obj, propertyName, value, oldValue);
                ctx.UnitOfWork.RegisterDirty(obj);
            }
            else
            {
                ctx.InverseManager.NotifyPropertySet(obj, propertyName, value);
            }
        }
        public override void LoadProperty(object obj, string propertyName)
        {
            if (this.url.Length < 1)
            {
                throw new NPersistException("You must specify an url to your NPersist Web Service in your WebServiceRemotingEngine!");
            }
            RemotingService        rs          = new RemotingService(this.Context, url);
            IMarshalingTransformer transformer = new MarshalingTransformer(Context);
            IObjectManager         om          = Context.ObjectManager;

            IClassMap        classMap    = Context.DomainMap.MustGetClassMap(obj.GetType());
            IPropertyMap     propertyMap = classMap.MustGetPropertyMap(propertyName);
            MarshalReference mr          = transformer.FromObjectAsReference(obj);
            string           xmlObject   = (string)Formatter.Serialize(mr);

            if (useCompression && this.compressor != null)
            {
                xmlObject = this.compressor.Compress(xmlObject);
            }

            bool doUseCompression = this.useCompression;

            if (this.compressor == null)
            {
                doUseCompression = false;
            }

            string result = rs.LoadProperty(xmlObject, propertyName, this.domainKey, doUseCompression);

            if (useCompression && this.compressor != null)
            {
                result = this.compressor.Decompress(result);
            }

            if (propertyMap.IsCollection)
            {
                if (propertyMap.ReferenceType == ReferenceType.None)
                {
                }
                else
                {
                    //Refresh issues!!! (the objects in the list being deserialized may exist in the cache!!)
                    MarshalObjectList mol       = (MarshalObjectList)Formatter.Deserialize(result, typeof(MarshalObjectList));
                    IList             freshList = transformer.ToObjectList(mol, RefreshBehaviorType.DefaultBehavior, new ArrayList());
                    //Context.IdentityMap.RegisterLoadedObject(obj);
                    IList orgList = (IList)om.GetPropertyValue(obj, propertyName);

                    LoadReferenceList(freshList, orgList, om, obj, propertyMap);
                    this.Context.InverseManager.NotifyPropertyLoad(obj, propertyMap, orgList);
                }
            }
            else
            {
                if (propertyMap.ReferenceType == ReferenceType.None)
                {
                    MarshalProperty mp = (MarshalProperty)Formatter.Deserialize(result, typeof(MarshalProperty));
                    transformer.ToProperty(obj, mp, propertyMap, RefreshBehaviorType.DefaultBehavior);
                }
                else
                {
                    if (result.Length > 0)
                    {
                        MarshalObject mo          = (MarshalObject)Formatter.Deserialize(result, typeof(MarshalObject));
                        string        identity    = transformer.GetIdentity(mo);
                        IClassMap     refClassMap = Context.DomainMap.MustGetClassMap(mo.Type);
                        Type          refType     = Context.AssemblyManager.MustGetTypeFromClassMap(refClassMap);

                        object refObject = Context.GetObjectById(identity, refType, true);
                        if (om.GetObjectStatus(refObject) == ObjectStatus.NotLoaded)
                        {
                            transformer.ToObject(mo, ref refObject);
                        }

//						object refObject = Context.TryGetObjectById(identity, refType, true);
//						if (refObject == null)
//						{
//							refObject = Context.GetObjectById(identity, refType, true);
//							transformer.ToObject(mo, ref refObject);
//						}
                        om.SetPropertyValue(obj, propertyName, refObject);
                        om.SetOriginalPropertyValue(obj, propertyName, refObject);
                        om.SetNullValueStatus(obj, propertyName, false);
                        this.Context.InverseManager.NotifyPropertyLoad(obj, propertyMap, refObject);
                    }
                    else
                    {
                        om.SetPropertyValue(obj, propertyName, null);
                        om.SetOriginalPropertyValue(obj, propertyName, null);
                        om.SetNullValueStatus(obj, propertyName, true);
                    }
                }
            }
        }