Пример #1
0
        protected void MergePhase1(Object objectToMerge, Object objectToDelete, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback, bool addNewEntitiesToCache)
        {
            ICUDResult       cudResult;
            MergeHandle      mergeHandle;
            IDisposableCache childCache = CacheFactory.Create(CacheFactoryDirective.NoDCE, false, false, "MergeProcess.ORIGINAL");

            try
            {
                mergeHandle = BeanContext.RegisterBean <MergeHandle>() //
                              .PropertyValue("Cache", childCache)      //
                              .Finish();
                cudResult         = MergeController.MergeDeep(objectToMerge, mergeHandle);
                mergeHandle.Cache = null;
            }
            finally
            {
                childCache.Dispose();
                childCache = null;
            }
            if (GuiThreadHelper.IsInGuiThread())
            {
                MergePhase2(objectToMerge, objectToDelete, mergeHandle, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
            }
            else
            {
                GuiThreadHelper.InvokeInGui(delegate()
                {
                    MergePhase2(objectToMerge, objectToDelete, mergeHandle, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
                });
            }
        }
Пример #2
0
        protected virtual void ProcessCUDResult(Object objectToMerge, ICUDResult cudResult, IList <Object> unpersistedObjectsToDelete,
                                                ProceedWithMergeHook proceedHook, bool addNewEntitiesToCache)
        {
            if (cudResult.AllChanges.Count > 0 || (unpersistedObjectsToDelete != null && unpersistedObjectsToDelete.Count > 0))
            {
                if (proceedHook != null)
                {
                    bool proceed = proceedHook.Invoke(cudResult, unpersistedObjectsToDelete);
                    if (!proceed)
                    {
                        return;
                    }
                }
            }
            if (cudResult.AllChanges.Count == 0)
            {
                if (Log.InfoEnabled)
                {
                    Log.Info("Service call skipped early because there is nothing to merge");
                }
            }
            else
            {
                IOriCollection oriColl;
                EventDispatcher.EnableEventQueue();
                try
                {
                    EventDispatcher.Pause(Cache);
                    try
                    {
                        bool?oldNewlyPersistedEntities = addNewlyPersistedEntitiesTL.Value;
                        addNewlyPersistedEntitiesTL.Value = addNewEntitiesToCache;
                        try
                        {
                            IResultingBackgroundWorkerDelegate <IOriCollection> runnable = new IResultingBackgroundWorkerDelegate <IOriCollection>(delegate()
                            {
                                IOriCollection oriColl2 = MergeService.Merge(cudResult, null);
                                MergeController.ApplyChangesToOriginals(cudResult, oriColl2, null);
                                return(oriColl2);
                            });
                            if (Transaction == null || Transaction.Active)
                            {
                                oriColl = runnable();
                            }
                            else
                            {
                                oriColl = Transaction.RunInLazyTransaction(runnable);
                            }
                        }
                        finally
                        {
                            addNewlyPersistedEntitiesTL.Value = oldNewlyPersistedEntities;
                        }
                    }
                    finally
                    {
                        EventDispatcher.Resume(Cache);
                    }
                }
                finally
                {
                    EventDispatcher.FlushEventQueue();
                }
                DataChangeEvent dataChange = DataChangeEvent.Create(-1, -1, -1);
                // This is intentionally a remote source
                dataChange.IsLocalSource = false;

                if (IsNetworkClientMode)
                {
                    IList <IChangeContainer> allChanges = cudResult.AllChanges;

                    IList <IObjRef> orisInReturn = oriColl.AllChangeORIs;
                    for (int a = allChanges.Count; a-- > 0;)
                    {
                        IChangeContainer changeContainer   = allChanges[a];
                        IObjRef          reference         = changeContainer.Reference;
                        IObjRef          referenceInReturn = orisInReturn[a];
                        if (changeContainer is CreateContainer)
                        {
                            if (referenceInReturn.IdNameIndex != ObjRef.PRIMARY_KEY_INDEX)
                            {
                                throw new ArgumentException("Implementation error: Only PK references are allowed in events");
                            }
                            dataChange.Inserts.Add(new DataChangeEntry(referenceInReturn.RealType, referenceInReturn.IdNameIndex, referenceInReturn.Id, referenceInReturn.Version));
                        }
                        else if (changeContainer is UpdateContainer)
                        {
                            if (referenceInReturn.IdNameIndex != ObjRef.PRIMARY_KEY_INDEX)
                            {
                                throw new ArgumentException("Implementation error: Only PK references are allowed in events");
                            }
                            dataChange.Updates.Add(new DataChangeEntry(referenceInReturn.RealType, referenceInReturn.IdNameIndex, referenceInReturn.Id, referenceInReturn.Version));
                        }
                        else if (changeContainer is DeleteContainer)
                        {
                            if (reference.IdNameIndex != ObjRef.PRIMARY_KEY_INDEX)
                            {
                                throw new ArgumentException("Implementation error: Only PK references are allowed in events");
                            }
                            dataChange.Deletes.Add(new DataChangeEntry(reference.RealType, reference.IdNameIndex, reference.Id, reference.Version));
                        }
                    }
                    //EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
                }
            }
            if (unpersistedObjectsToDelete != null && unpersistedObjectsToDelete.Count > 0)
            {
                // Create a DCE for all objects without an id but which should be deleted...
                // This is the case for newly created objects on client side, which should be
                // "cancelled". The DCE notifies all models which contain identity references to the related
                // objects to erase their existence in all controls. They are not relevant in the previous
                // server merge process
                DataChangeEvent dataChange = DataChangeEvent.Create(0, 0, unpersistedObjectsToDelete.Count);

                for (int a = unpersistedObjectsToDelete.Count; a-- > 0;)
                {
                    Object unpersistedObject = unpersistedObjectsToDelete[a];
                    dataChange.Deletes.Add(new DirectDataChangeEntry(unpersistedObject));
                }
                EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
            }
            RevertChangesHelper.RevertChanges(objectToMerge);
        }