示例#1
0
        protected void WriteChangeContainer(IChangeContainer changeContainer, IWriter writer, IncrementalMergeState incrementalState)
        {
            IObjRef objRef = changeContainer.Reference;

            writer.WriteStartElement("Entity");
            writer.WriteAttribute("type", objRef.RealType.FullName);
            writer.WriteAttribute("id", ConversionHelper.ConvertValueToType <String>(objRef.Id));
            if (objRef.Version != null)
            {
                writer.WriteAttribute("version", ConversionHelper.ConvertValueToType <String>(objRef.Version));
            }
            StateEntry stateEntry = incrementalState.objRefToStateMap.Get(objRef);

            if (stateEntry == null)
            {
                throw new Exception();
            }
            writer.WriteAttribute("idx", stateEntry.index);
            if (changeContainer is DeleteContainer)
            {
                writer.WriteEndElement();
                return;
            }
            ICreateOrUpdateContainer createOrUpdate = (ICreateOrUpdateContainer)changeContainer;

            WritePUIs(createOrUpdate.GetFullPUIs(), writer);
            WriteRUIs(createOrUpdate.GetFullRUIs(), writer, incrementalState);
            writer.WriteCloseElement("Entity");
        }
示例#2
0
 public void SetLeftContainer(IChangeContainer leftContainer)
 {
     if (leftContainer != null && containerBuild != null)
     {
         throw new Exception();
     }
     this.leftContainer = leftContainer;
 }
示例#3
0
        public void ProcessRead(IPostProcessReader reader)
        {
            reader.NextTag();

            ICommandTypeRegistry   commandTypeRegistry   = reader.CommandTypeRegistry;
            ICommandTypeExtendable commandTypeExtendable = reader.CommandTypeExtendable;

            commandTypeExtendable.RegisterOverridingCommandType(typeof(MergeArraySetterCommand), typeof(ArraySetterCommand));
            Object result = reader.ReadObject();

            commandTypeExtendable.UnregisterOverridingCommandType(typeof(MergeArraySetterCommand), typeof(ArraySetterCommand));

            if (!(result is CUDResult))
            {
                throw new Exception("Can only handle results of type '" + typeof(CUDResult).Name + "'. Result of type '"
                                    + result.GetType().Name + "' given.");
            }

            ICommandBuilder          commandBuilder           = CommandBuilder;
            Member                   directObjRefDirectMember = this.directObjRefDirectMember;
            CUDResult                cudResult = (CUDResult)result;
            IList <IChangeContainer> changes   = cudResult.AllChanges;

            for (int i = 0, size = changes.Count; i < size; i++)
            {
                IChangeContainer changeContainer = changes[i];
                if (!(changeContainer is CreateContainer))
                {
                    continue;
                }

                IObjRef ori = changeContainer.Reference;
                if (ori == null)
                {
                    continue;
                }
                else if (ori is DirectObjRef)
                {
                    IObjectFuture  objectFuture  = new ObjRefFuture(ori);
                    IObjectCommand setterCommand = commandBuilder.Build(commandTypeRegistry, objectFuture, ori, directObjRefDirectMember);
                    reader.AddObjectCommand(setterCommand);
                    IObjectCommand mergeCommand = commandBuilder.Build(commandTypeRegistry, objectFuture, changeContainer);
                    reader.AddObjectCommand(mergeCommand);
                }
                else
                {
                    throw new Exception("Not implemented yet");
                }
            }
        }
示例#4
0
        protected IChangeContainer FillClonedChangeContainer(IChangeContainer original, IdentityHashMap <IChangeContainer, IChangeContainer> alreadyClonedMap)
        {
            IChangeContainer clone = alreadyClonedMap.Get(original);

            if (clone is CreateContainer)
            {
                ((CreateContainer)clone).Primitives = ClonePrimitives(((CreateContainer)original).Primitives);
                ((CreateContainer)clone).Relations  = CloneRelations(((CreateContainer)original).Relations);
            }
            else if (clone is UpdateContainer)
            {
                ((UpdateContainer)clone).Primitives = ClonePrimitives(((UpdateContainer)original).Primitives);
                ((UpdateContainer)clone).Relations  = CloneRelations(((UpdateContainer)original).Relations);
            }
            ((AbstractChangeContainer)clone).Reference = CloneObjRef(original.Reference, true);
            return(clone);
        }
示例#5
0
        protected IMap <Type, IList <IChangeContainer> > BucketSortChanges(IList <IChangeContainer> allChanges)
        {
            HashMap <Type, IList <IChangeContainer> > sortedChanges = new HashMap <Type, IList <IChangeContainer> >();

            for (int i = allChanges.Count; i-- > 0;)
            {
                IChangeContainer         changeContainer  = allChanges[i];
                IObjRef                  objRef           = changeContainer.Reference;
                Type                     type             = objRef.RealType;
                IList <IChangeContainer> changeContainers = sortedChanges.Get(type);
                if (changeContainers == null)
                {
                    changeContainers = new List <IChangeContainer>();
                    sortedChanges.Put(type, changeContainers);
                }
                changeContainers.Add(changeContainer);
            }
            return(sortedChanges);
        }
示例#6
0
        protected IList <Object> GetAllExistingObjectsFromCache(ICache cache, IList <IChangeContainer> allChanges)
        {
            List <IObjRef> existingObjRefs = new List <IObjRef>(allChanges.Count);

            for (int a = 0, size = allChanges.Count; a < size; a++)
            {
                IChangeContainer changeContainer = allChanges[a];
                if (changeContainer is CreateContainer)
                {
                    existingObjRefs.Add(null);
                    continue;
                }
                if (changeContainer.Reference is IDirectObjRef)
                {
                    throw new Exception();
                }
                existingObjRefs.Add(changeContainer.Reference);
            }
            return(cache.GetObjects(existingObjRefs, CacheDirective.ReturnMisses));
        }
示例#7
0
        protected void WriteCUDResult(ICUDResult cudResult, IWriter writer, IncrementalMergeState state)
        {
            IList <IChangeContainer> allChanges = cudResult.AllChanges;

            List <CreateContainer> creates = new List <CreateContainer>();
            List <UpdateContainer> updates = new List <UpdateContainer>();
            List <DeleteContainer> deletes = new List <DeleteContainer>();

            for (int a = allChanges.Count; a-- > 0;)
            {
                IChangeContainer changeContainer = allChanges[a];
                if (changeContainer is CreateContainer)
                {
                    creates.Add((CreateContainer)changeContainer);
                }
                else if (changeContainer is UpdateContainer)
                {
                    updates.Add((UpdateContainer)changeContainer);
                }
                else
                {
                    deletes.Add((DeleteContainer)changeContainer);
                }
            }
            creates.Sort(createContainerComparator);
            updates.Sort(updateContainerComparator);
            deletes.Sort(deleteContainerComparator);

            writer.WriteStartElement("CUDResult");
            writer.WriteAttribute("size", allChanges.Count);
            writer.WriteAttribute("creates", creates.Count);
            writer.WriteAttribute("updates", updates.Count);
            writer.WriteAttribute("deletes", deletes.Count);
            writer.WriteStartElementEnd();

            WriteChangeContainers(creates, writer, "Creates", state);
            WriteChangeContainers(updates, writer, "Updates", state);
            WriteChangeContainers(deletes, writer, "Deletes", state);

            writer.WriteCloseElement("CUDResult");
        }
示例#8
0
        public IList <IChangeContainer> GetChanges(Type type)
        {
            if (typeToModDict != null)
            {
                return(DictionaryExtension.ValueOrDefault(typeToModDict, type));
            }
            typeToModDict = new Dictionary <Type, IList <IChangeContainer> >();

            for (int a = AllChanges.Count; a-- > 0;)
            {
                IChangeContainer         changeContainer = AllChanges[a];
                Type                     realType        = changeContainer.Reference.RealType;
                IList <IChangeContainer> modList         = DictionaryExtension.ValueOrDefault(typeToModDict, realType);
                if (modList == null)
                {
                    modList = new List <IChangeContainer>();
                    typeToModDict.Add(realType, modList);
                }
                modList.Add(changeContainer);
            }
            return(DictionaryExtension.ValueOrDefault(typeToModDict, type));
        }
示例#9
0
        public ICUDResult DiffCUDResult(ICUDResult left, ICUDResult right)
        {
            CUDResultDiff diff = new CUDResultDiff(left, right, true, CudResultHelper, EntityMetaDataProvider);

            EqualsCUDResult(diff);

            if (!diff.HasChanges())
            {
                return(null); // null means empty diff
            }
            IList <IChangeContainer> diffChanges = diff.diffChanges;

            for (int a = diffChanges.Count; a-- > 0;)
            {
                IChangeContainer changeContainer = diffChanges[a];
                if (!(changeContainer is CreateOrUpdateContainerBuild))
                {
                    continue;
                }
                diffChanges[a] = ((CreateOrUpdateContainerBuild)changeContainer).Build();
            }
            return(new CUDResult(diffChanges, diff.originalRefs));
        }
示例#10
0
        protected IList <MergeOperation> CreateMergeOperationSequence(IMap <Type, IList <IChangeContainer> > sortedChanges)
        {
            Type[] entityPersistOrder = EntityMetaDataProvider.GetEntityPersistOrder();
            IList <MergeOperation> mergeOperations = new List <MergeOperation>();

            if (entityPersistOrder != null)
            {
                for (int a = entityPersistOrder.Length; a-- > 0;)
                {
                    Type orderedEntityType           = entityPersistOrder[a];
                    IList <IChangeContainer> changes = sortedChanges.Get(orderedEntityType);
                    if (changes == null)
                    {
                        // No changes of current type found. Nothing to do here
                        continue;
                    }
                    List <IChangeContainer> removes           = new List <IChangeContainer>(changes.Count);
                    List <IChangeContainer> insertsAndUpdates = new List <IChangeContainer>(changes.Count);
                    for (int b = changes.Count; b-- > 0;)
                    {
                        IChangeContainer change = changes[b];
                        if (change is DeleteContainer)
                        {
                            removes.Add(change);
                        }
                        else
                        {
                            insertsAndUpdates.Add(change);
                        }
                    }
                    if (removes.Count == 0)
                    {
                        // Nothing to do. Ordering is not necessary here
                        continue;
                    }
                    if (insertsAndUpdates.Count == 0)
                    {
                        sortedChanges.Remove(orderedEntityType);
                    }
                    else
                    {
                        sortedChanges.Put(orderedEntityType, insertsAndUpdates);
                    }
                    IMergeServiceExtension mergeServiceExtension = GetServiceForType(orderedEntityType);
                    MergeOperation         mergeOperation        = new MergeOperation();
                    mergeOperation.MergeServiceExtension = mergeServiceExtension;
                    mergeOperation.ChangeContainer       = removes;

                    mergeOperations.Add(mergeOperation);
                }

                for (int a = 0, size = entityPersistOrder.Length; a < size; a++)
                {
                    Type orderedEntityType           = entityPersistOrder[a];
                    IList <IChangeContainer> changes = sortedChanges.Get(orderedEntityType);
                    if (changes == null)
                    {
                        // No changes of current type found. Nothing to do here
                        continue;
                    }
                    bool containsNew = false;
                    for (int b = changes.Count; b-- > 0;)
                    {
                        if (changes[b].Reference.Id == null)
                        {
                            containsNew = true;
                            break;
                        }
                    }
                    if (!containsNew)
                    {
                        // Nothing to do. Ordering is not necessary here
                        continue;
                    }
                    // Remove batch of changes where at least 1 new entity occured and
                    // this type of entity has to be inserted in a global order
                    sortedChanges.Remove(orderedEntityType);
                    IMergeServiceExtension mergeServiceExtension = GetServiceForType(orderedEntityType);
                    MergeOperation         mergeOperation        = new MergeOperation();
                    mergeOperation.MergeServiceExtension = mergeServiceExtension;
                    mergeOperation.ChangeContainer       = changes;

                    mergeOperations.Add(mergeOperation);
                }
            }

            // Everything which is left in the sortedChanges map can be merged without global order, so batch together as much as possible
            foreach (Entry <Type, IList <IChangeContainer> > entry in sortedChanges)
            {
                Type type = entry.Key;
                IList <IChangeContainer> unorderedChanges      = entry.Value;
                IMergeServiceExtension   mergeServiceExtension = GetServiceForType(type);

                if (mergeServiceExtension == null)
                {
                    throw new Exception("No extension found to merge entities of type '" + type.FullName + "'");
                }
                bool cont = false;
                foreach (MergeOperation existingMergeOperation in mergeOperations)
                {
                    if (Object.ReferenceEquals(existingMergeOperation.MergeServiceExtension, mergeServiceExtension))
                    {
                        IList <IChangeContainer> orderedChanges = existingMergeOperation.ChangeContainer;
                        for (int b = unorderedChanges.Count; b-- > 0;)
                        {
                            orderedChanges.Add(unorderedChanges[b]);
                        }
                        cont = true;
                        break;
                    }
                }
                if (cont)
                {
                    continue;
                }
                MergeOperation mergeOperation = new MergeOperation();
                mergeOperation.MergeServiceExtension = mergeServiceExtension;
                mergeOperation.ChangeContainer       = unorderedChanges;

                mergeOperations.Add(mergeOperation);
            }
            ;
            return(mergeOperations);
        }
示例#11
0
        protected ICUDResult ApplyIntern(ICUDResult cudResult, bool checkBaseState, IncrementalMergeState incrementalState)
        {
            ICache stateCache = incrementalState.GetStateCache();
            IList <IChangeContainer> allChanges   = cudResult.AllChanges;
            IList <Object>           originalRefs = cudResult.GetOriginalRefs();
            IList <Object>           allObjects   = GetAllExistingObjectsFromCache(stateCache, allChanges);
            List <Object>            hardRefs     = new List <Object>();

            hardRefs.Add(allObjects); // add list as item intended. adding each item of the source is NOT needed

            List <IObjRef> toFetchFromCache             = new List <IObjRef>();
            List <DirectValueHolderRef>      toPrefetch = new List <DirectValueHolderRef>();
            List <IBackgroundWorkerDelegate> runnables  = new List <IBackgroundWorkerDelegate>();

            IEntityFactory entityFactory = this.EntityFactory;

            IdentityHashMap <IObjRef, StateEntry> newObjRefToStateEntryMap        = new IdentityHashMap <IObjRef, StateEntry>();
            IdentityHashMap <IChangeContainer, IChangeContainer> alreadyClonedMap = new IdentityHashMap <IChangeContainer, IChangeContainer>();

            List <IChangeContainer> newAllChanges = new List <IChangeContainer>(allChanges.Count);

            for (int a = 0, size = allChanges.Count; a < size; a++)
            {
                IChangeContainer changeContainer = allChanges[a];
                Object           originalEntity  = originalRefs[a];

                StateEntry stateEntry = incrementalState.entityToStateMap.Get(originalEntity);

                IChangeContainer newChangeContainer;
                if (changeContainer is CreateContainer)
                {
                    newChangeContainer = new CreateContainer();
                }
                else if (changeContainer is UpdateContainer)
                {
                    newChangeContainer = new UpdateContainer();
                }
                else
                {
                    newChangeContainer = new DeleteContainer();
                }
                newAllChanges.Add(newChangeContainer);
                alreadyClonedMap.Put(changeContainer, newChangeContainer);

                if (!(changeContainer is CreateContainer))
                {
                    Object stateCacheEntity2 = allObjects[a];
                    stateEntry = incrementalState.entityToStateMap.Get(stateCacheEntity2);
                    if (stateEntry == null)
                    {
                        stateEntry = new StateEntry(stateCacheEntity2, changeContainer.Reference, incrementalState.entityToStateMap.Count + 1);

                        incrementalState.entityToStateMap.Put(stateCacheEntity2, stateEntry);
                        incrementalState.objRefToStateMap.Put(stateEntry.objRef, stateEntry);
                    }
                    // delete & update do not need further handling
                    continue;
                }
                Type realType = changeContainer.Reference.RealType;

                Object stateCacheEntity;
                if (stateEntry == null)
                {
                    stateCacheEntity = entityFactory.CreateEntity(realType);

                    DirectObjRef directObjRef = new DirectObjRef(realType, stateCacheEntity);
                    directObjRef.CreateContainerIndex = a;

                    stateEntry = new StateEntry(stateCacheEntity, directObjRef, incrementalState.entityToStateMap.Count + 1);

                    incrementalState.entityToStateMap.Put(stateCacheEntity, stateEntry);
                    incrementalState.objRefToStateMap.Put(stateEntry.objRef, stateEntry);
                    newObjRefToStateEntryMap.Put(changeContainer.Reference, stateEntry);
                }
                else
                {
                    stateCacheEntity = stateEntry.entity;
                }
                allObjects[a] = stateCacheEntity;
            }
            cloneStateTL.Value = new CloneState(newObjRefToStateEntryMap, incrementalState);
            try
            {
                for (int a = allChanges.Count; a-- > 0;)
                {
                    IChangeContainer changeContainer = allChanges[a];
                    IObjRefContainer entity          = (IObjRefContainer)allObjects[a];

                    changeContainer = FillClonedChangeContainer(changeContainer, alreadyClonedMap);

                    IPrimitiveUpdateItem[] puis;
                    IRelationUpdateItem[]  ruis;
                    if (changeContainer is CreateContainer)
                    {
                        CreateContainer createContainer = (CreateContainer)changeContainer;
                        puis = createContainer.Primitives;
                        ruis = createContainer.Relations;
                    }
                    else if (changeContainer is UpdateContainer)
                    {
                        UpdateContainer updateContainer = (UpdateContainer)changeContainer;
                        puis = updateContainer.Primitives;
                        ruis = updateContainer.Relations;
                    }
                    else
                    {
                        ((IDataObject)entity).ToBeDeleted = true;
                        continue;
                    }
                    IEntityMetaData metaData = ((IEntityMetaDataHolder)entity).Get__EntityMetaData();
                    ApplyPrimitiveUpdateItems(entity, puis, metaData);

                    if (ruis != null)
                    {
                        bool isUpdate = changeContainer is UpdateContainer;
                        foreach (IRelationUpdateItem rui in ruis)
                        {
                            ApplyRelationUpdateItem(entity, rui, isUpdate, metaData, toPrefetch, toFetchFromCache, checkBaseState, runnables);
                        }
                    }
                }
                while (toPrefetch.Count > 0 || toFetchFromCache.Count > 0 || runnables.Count > 0)
                {
                    if (toPrefetch.Count > 0)
                    {
                        PrefetchHelper.Prefetch(toPrefetch);
                        toPrefetch.Clear();
                    }
                    if (toFetchFromCache.Count > 0)
                    {
                        IList <Object> fetchedObjects = stateCache.GetObjects(toFetchFromCache, CacheDirective.None);
                        hardRefs.Add(fetchedObjects); // add list as item intended. adding each item of the source is NOT needed
                        toFetchFromCache.Clear();
                    }
                    IBackgroundWorkerDelegate[] runnableArray = runnables.ToArray();
                    runnables.Clear();
                    foreach (IBackgroundWorkerDelegate runnable in runnableArray)
                    {
                        runnable();
                    }
                }
                List <Object> newObjects = new List <Object>(allObjects.Count);
                List <DirectValueHolderRef> changedRelationRefs = new List <DirectValueHolderRef>();
                for (int a = allObjects.Count; a-- > 0;)
                {
                    IChangeContainer      newChange = newAllChanges[a];
                    IRelationUpdateItem[] ruis      = null;
                    Object entity = allObjects[a];
                    if (newChange is CreateContainer)
                    {
                        newObjects.Add(entity);
                        ruis = ((CreateContainer)newChange).Relations;
                    }
                    else if (newChange is UpdateContainer)
                    {
                        ruis = ((UpdateContainer)newChange).Relations;
                    }
                    if (ruis == null)
                    {
                        continue;
                    }
                    IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(entity.GetType());
                    foreach (IRelationUpdateItem rui in ruis)
                    {
                        Member member = metaData.GetMemberByName(rui.MemberName);
                        changedRelationRefs.Add(new DirectValueHolderRef((IObjRefContainer)entity, (RelationMember)member));
                    }
                }
                if (newObjects.Count > 0)
                {
                    ((IWritableCache)stateCache).Put(newObjects);
                }
                if (changedRelationRefs.Count > 0)
                {
                    PrefetchHelper.Prefetch(changedRelationRefs);
                }
                return(new CUDResult(newAllChanges, allObjects));
            }
            finally
            {
                cloneStateTL.Value = null;
            }
        }
示例#12
0
        protected bool EqualsCUDResult(CUDResultDiff cudResultDiff)
        {
            ICUDResult     left      = cudResultDiff.left;
            ICUDResult     right     = cudResultDiff.right;
            IList <Object> leftRefs  = left.GetOriginalRefs();
            IList <Object> rightRefs = right.GetOriginalRefs();

            if (leftRefs.Count != rightRefs.Count)
            {
                if (!cudResultDiff.doFullDiff)
                {
                    return(false);
                }
            }
            IList <IChangeContainer>       leftChanges  = left.AllChanges;
            IList <IChangeContainer>       rightChanges = right.AllChanges;
            IdentityHashMap <Object, int?> rightMap     = IdentityHashMap <Object, int?> .Create(rightRefs.Count);

            for (int a = rightRefs.Count; a-- > 0;)
            {
                rightMap.Put(rightRefs[a], a);
            }
            for (int a = leftRefs.Count; a-- > 0;)
            {
                Object leftEntity = leftRefs[a];
                int?   rightIndex = rightMap.Remove(leftEntity);
                if (!rightIndex.HasValue)
                {
                    if (!cudResultDiff.doFullDiff)
                    {
                        return(false);
                    }
                    cudResultDiff.diffChanges.Add(leftChanges[a]);
                    cudResultDiff.originalRefs.Add(leftEntity);
                    continue;
                }
                if (!EqualsChangeContainer(cudResultDiff, leftChanges[a], rightChanges[rightIndex.Value]))
                {
                    if (!cudResultDiff.doFullDiff)
                    {
                        if (cudResultDiff.containerBuild != null)
                        {
                            throw new Exception();
                        }
                        return(false);
                    }
                    cudResultDiff.diffChanges.Add(cudResultDiff.containerBuild);
                    cudResultDiff.originalRefs.Add(rightRefs[rightIndex.Value]);
                    cudResultDiff.containerBuild = null;
                }
                else if (cudResultDiff.containerBuild != null)
                {
                    throw new Exception();
                }
            }
            if (rightMap.Count == 0)
            {
                return(true);
            }
            foreach (Entry <Object, int> entry in rightMap)
            {
                Object           rightRef    = entry.Key;
                int              rightIndex  = entry.Value;
                IChangeContainer rightChange = rightChanges[rightIndex];
                cudResultDiff.diffChanges.Add(rightChange);
                cudResultDiff.originalRefs.Add(rightRef);
            }
            return(false);
        }
示例#13
0
 protected bool EqualsChangeContainer(CUDResultDiff cudResultDiff, IChangeContainer left, IChangeContainer right)
 {
     if (left.GetType() != right.GetType())
     {
         throw new Exception("Must never happen");
     }
     cudResultDiff.SetLeftContainer(left);
     try
     {
         if (left is CreateContainer)
         {
             CreateContainer leftCreate  = (CreateContainer)left;
             CreateContainer rightCreate = (CreateContainer)right;
             bool            isEqual     = EqualsPUIs(cudResultDiff, leftCreate.Primitives, rightCreate.Primitives);
             if (!isEqual)
             {
                 if (!cudResultDiff.doFullDiff)
                 {
                     return(false);
                 }
             }
             isEqual &= EqualsRUIs(cudResultDiff, leftCreate.Relations, rightCreate.Relations);
             if (!isEqual)
             {
                 if (!cudResultDiff.doFullDiff)
                 {
                     return(false);
                 }
             }
             return(isEqual);
         }
         if (left is UpdateContainer)
         {
             UpdateContainer leftUpdate  = (UpdateContainer)left;
             UpdateContainer rightUpdate = (UpdateContainer)right;
             bool            isEqual     = EqualsPUIs(cudResultDiff, leftUpdate.Primitives, rightUpdate.Primitives);
             if (!isEqual)
             {
                 if (!cudResultDiff.doFullDiff)
                 {
                     return(false);
                 }
             }
             isEqual &= EqualsRUIs(cudResultDiff, leftUpdate.Relations, rightUpdate.Relations);
             if (!isEqual)
             {
                 if (!cudResultDiff.doFullDiff)
                 {
                     return(false);
                 }
             }
             return(isEqual);
         }
         // a DeleteContainer is only compared by the reference. But we know that this is already equal since we entered this method
         return(true);
     }
     finally
     {
         cudResultDiff.SetLeftContainer(null);
     }
 }
示例#14
0
        public IOriCollection Merge(ICUDResult cudResult, IMethodDescription methodDescription)
        {
            int         localDcId;
            IDataChange dataChange;
            IList <IChangeContainer> allChanges    = cudResult.AllChanges;
            IList <IObjRef>          resultOriList = new List <IObjRef>(allChanges.Count);
            String changedBy = "anonymous";
            long   changedOn;

            Lock writeLock = PersistenceMock.GetWriteLock();

            writeLock.Lock();
            try
            {
                localDcId = ++dcId;
                changedOn = DateTimeUtil.CurrentTimeMillis();

                IList <IDataChangeEntry> inserts = new List <IDataChangeEntry>();
                IList <IDataChangeEntry> updates = new List <IDataChangeEntry>();
                IList <IDataChangeEntry> deletes = new List <IDataChangeEntry>();
                for (int a = 0, size = allChanges.Count; a < size; a++)
                {
                    IChangeContainer changeContainer = allChanges[a];
                    IObjRef          reference       = changeContainer.Reference;
                    if (changeContainer is DeleteContainer)
                    {
                        PersistenceMock.RemoveObject(reference);
                        resultOriList.Add(null);
                        deletes.Add(new DataChangeEntry(reference.RealType, reference.IdNameIndex, reference.Id, reference.Version));
                    }
                    else if (changeContainer is UpdateContainer)
                    {
                        resultOriList.Add(reference);
                        reference.Version = ((int)reference.Version) + 1;
                        PersistenceMock.ChangeObject(reference, ((UpdateContainer)changeContainer).Primitives, ((UpdateContainer)changeContainer).Relations, changedBy, changedOn);
                        updates.Add(new DataChangeEntry(reference.RealType, reference.IdNameIndex, reference.Id, reference.Version));
                    }
                    else if (changeContainer is CreateContainer)
                    {
                        Object newId = AcquireIdForEntityType(reference.RealType);
                        if (newId == null)
                        {
                            throw new Exception("Id must be valid");
                        }
                        IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(reference.RealType);
                        newId             = ConversionHelper.ConvertValueToType(metaData.IdMember.ElementType, newId);
                        reference.Id      = newId;
                        reference.Version = 1;
                        ((IDirectObjRef)reference).Direct = null;
                        resultOriList.Add(reference);
                        PersistenceMock.AddObject(reference, ((CreateContainer)changeContainer).Primitives, ((CreateContainer)changeContainer).Relations, changedBy, changedOn);
                        inserts.Add(new DataChangeEntry(reference.RealType, ObjRef.PRIMARY_KEY_INDEX, reference.Id, reference.Version));
                    }
                }
                OriCollection oriColl = new OriCollection(resultOriList);
                oriColl.ChangedBy = changedBy;
                oriColl.ChangedOn = changedOn;
                MergeController.ApplyChangesToOriginals(cudResult, oriColl, null);
                dataChange = new DataChangeEvent(inserts, updates, deletes, DateTimeUtil.ConvertJavaMillisToDateTime(changedOn), false);
            }
            finally
            {
                writeLock.Unlock();
            }
            EventDispatcher.DispatchEvent(dataChange, dataChange.ChangeTime, localDcId);

            OriCollection oriCollection = new OriCollection(resultOriList);

            oriCollection.ChangedBy = changedBy;
            oriCollection.ChangedOn = changedOn;
            return(oriCollection);
        }
示例#15
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);
        }
示例#16
0
        protected virtual void RemoveUnpersistedDeletedObjectsFromCudResult(IList <IChangeContainer> allChanges, IList <Object> originalRefs, IList <Object> unpersistedObjectsToDelete)
        {
            ISet <IObjRef> removedDirectObjRefs = null;

            for (int a = allChanges.Count; a-- > 0;)
            {
                IChangeContainer changeContainer = allChanges[a];
                IObjRef          objRef          = changeContainer.Reference;
                if (!(changeContainer is DeleteContainer) || objRef.Id != null)
                {
                    continue;
                }
                if (removedDirectObjRefs == null)
                {
                    removedDirectObjRefs = new IdentityHashSet <IObjRef>();
                }
                IDirectObjRef dirObjRef = (IDirectObjRef)objRef;
                // These are objects without an id but are marked as deleted. They will be deleted locally without transfer to the service
                allChanges.RemoveAt(a);
                originalRefs.RemoveAt(a);
                unpersistedObjectsToDelete.Add(dirObjRef.Direct);
                removedDirectObjRefs.Add(dirObjRef);
            }
            if (removedDirectObjRefs == null)
            {
                return;
            }
            // Scan all other changeContainer if they refer to the removed DeleteContainers of unpersisted entities
            for (int a = allChanges.Count; a-- > 0;)
            {
                IChangeContainer      changeContainer = allChanges[a];
                IRelationUpdateItem[] relations;
                if (changeContainer is CreateContainer)
                {
                    relations = ((CreateContainer)changeContainer).Relations;
                }
                else if (changeContainer is UpdateContainer)
                {
                    relations = ((UpdateContainer)changeContainer).Relations;
                }
                else
                {
                    // DeleteContainers can not refer anything beside themselves
                    continue;
                }
                if (relations == null)
                {
                    continue;
                }
                for (int b = relations.Length; b-- > 0;)
                {
                    IRelationUpdateItem childItem = relations[b];
                    IObjRef[]           addedOris = childItem.AddedORIs;
                    if (addedOris == null)
                    {
                        continue;
                    }
                    for (int c = addedOris.Length; c-- > 0;)
                    {
                        IObjRef addedOri = addedOris[c];
                        if (!removedDirectObjRefs.Contains(addedOri))
                        {
                            continue;
                        }
                        if (addedOris.Length == 1)
                        {
                            if (childItem.RemovedORIs != null)
                            {
                                ((RelationUpdateItem)childItem).AddedORIs = null;
                            }
                            else
                            {
                                if (relations.Length == 1)
                                {
                                    allChanges.RemoveAt(a);
                                    originalRefs.RemoveAt(a);
                                    relations = null;
                                    break;
                                }
                                IRelationUpdateItem[] newChildItems = new IRelationUpdateItem[relations.Length - 1];
                                Array.Copy(relations, 0, newChildItems, 0, b);
                                Array.Copy(relations, b + 1, newChildItems, b, relations.Length - b - 1);
                                relations = newChildItems;
                                if (changeContainer is CreateContainer)
                                {
                                    ((CreateContainer)changeContainer).Relations = relations;
                                }
                                else
                                {
                                    ((UpdateContainer)changeContainer).Relations = relations;
                                }
                            }
                            break;
                        }
                        IObjRef[] newAddedOris = new IObjRef[addedOris.Length - 1];
                        Array.Copy(addedOris, 0, newAddedOris, 0, c);
                        Array.Copy(addedOris, c + 1, newAddedOris, c, addedOris.Length - c - 1);
                        addedOris = newAddedOris;
                        ((RelationUpdateItem)childItem).AddedORIs = addedOris;
                    }
                    if (relations == null)
                    {
                        break;
                    }
                }
            }
        }