예제 #1
0
        protected void MergePhase2(Object objectToMerge, Object objectToDelete, MergeHandle mergeHandle, ICUDResult cudResult, ProceedWithMergeHook proceedHook, MergeFinishedCallback mergeFinishedCallback, bool addNewEntitiesToCache)
        {
            List <Object> unpersistedObjectsToDelete = new List <Object>();

            RemoveUnpersistedDeletedObjectsFromCudResult(cudResult.AllChanges, cudResult.GetOriginalRefs(), unpersistedObjectsToDelete);
            if (objectToDelete != null)
            {
                IList <IObjRef> oriList = OriHelper.ExtractObjRefList(objectToDelete, mergeHandle);

                AppendDeleteContainers(objectToDelete, oriList, cudResult.AllChanges, cudResult.GetOriginalRefs(), unpersistedObjectsToDelete);
            }

            // Store the MergeFinishedCallback from this thread on the stack and set the property null (for following calls):
            if (GuiThreadHelper.IsInGuiThread())
            {
                GuiThreadHelper.InvokeOutOfGui(delegate()
                {
                    MergePhase3(objectToMerge, unpersistedObjectsToDelete, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
                });
            }
            else
            {
                MergePhase3(objectToMerge, unpersistedObjectsToDelete, cudResult, proceedHook, mergeFinishedCallback, addNewEntitiesToCache);
            }
        }
예제 #2
0
        protected void ApplyChangesToOriginalsIntern(ICUDResult cudResult, IOriCollection oriCollection, ICache cache)
        {
            ICacheModification      cacheModification      = this.CacheModification;
            IConversionHelper       conversionHelper       = this.ConversionHelper;
            IEntityMetaDataProvider entityMetaDataProvider = this.EntityMetaDataProvider;
            IList <Object>          originalRefs           = cudResult.GetOriginalRefs();
            IList <IObjRef>         allChangeORIs          = oriCollection.AllChangeORIs;

            String[] allChangedBy    = oriCollection.AllChangedBy;
            long[]   allChangedOn    = oriCollection.AllChangedOn;
            String   singleChangedBy = oriCollection.ChangedBy;
            long?    singleChangedOn = oriCollection.ChangedOn;

            bool           newInstanceOnCall         = CacheProvider.IsNewInstanceOnCall;
            IList <Object> validObjects              = new List <Object>(originalRefs.Count);
            bool           oldCacheModificationValue = CacheModification.Active;

            CacheModification.Active = true;
            try
            {
                for (int a = originalRefs.Count; a-- > 0;)
                {
                    Object  originalRef = originalRefs[a];
                    IObjRef ori         = allChangeORIs[a];

                    if (originalRef == null)
                    {
                        // Object has been deleted by cascade delete contraints on server merge or simply a "not specified" original ref
                        continue;
                    }
                    if (originalRef is IObjRef)
                    {
                        continue;
                    }
                    long?           changedOn     = allChangedOn != null ? allChangedOn[a] : singleChangedOn;
                    String          changedBy     = allChangedBy != null ? allChangedBy[a] : singleChangedBy;
                    IEntityMetaData metaData      = ((IEntityMetaDataHolder)originalRef).Get__EntityMetaData();
                    PrimitiveMember versionMember = metaData.VersionMember;

                    PrimitiveMember keyMember = metaData.IdMember;

                    PrimitiveMember onMember, byMember;
                    if (keyMember.GetValue(originalRef, false) == null)
                    {
                        onMember = metaData.CreatedOnMember;
                        byMember = metaData.CreatedByMember;
                    }
                    else
                    {
                        onMember = metaData.UpdatedOnMember;
                        byMember = metaData.UpdatedByMember;
                    }
                    if (onMember != null && changedOn != null)
                    {
                        Object createdOn = ConversionHelper.ConvertValueToType(onMember.ElementType, changedOn);
                        onMember.SetValue(originalRef, createdOn);
                    }
                    if (byMember != null && changedBy != null)
                    {
                        Object createdBy = ConversionHelper.ConvertValueToType(byMember.ElementType, changedBy);
                        byMember.SetValue(originalRef, createdBy);
                    }
                    if (ori == null)
                    {
                        keyMember.SetValue(originalRef, null);
                        if (versionMember != null)
                        {
                            versionMember.SetValue(originalRef, null);
                        }
                        if (originalRef is IDataObject)
                        {
                            ((IDataObject)originalRef).ToBeUpdated = false;
                            ((IDataObject)originalRef).ToBeDeleted = false;
                        }
                        continue; // Object has been deleted directly
                    }
                    keyMember.SetValue(originalRef, ConversionHelper.ConvertValueToType(keyMember.RealType, ori.Id));
                    if (versionMember != null)
                    {
                        if (AlwaysUpdateVersionInChangedEntities)
                        {
                            versionMember.SetValue(originalRef, ConversionHelper.ConvertValueToType(versionMember.RealType, ori.Version));
                        }
                        else
                        {
                            // We INTENTIONALLY do NOT set the version and let it on its old value, to force the following DCE to refresh the cached object with 'real' data
                            // If we set the version here to the ori.getVersion(), the DCE will 'see' a already valid object - but is IS NOT valid
                            // because it may not contain bi-directional information which can only be resolved by reloading the object from persistence layer
                            //versionMember.SetValue(originalRef, null);
                        }
                    }
                    if (originalRef is IDataObject)
                    {
                        ((IDataObject)originalRef).ToBeUpdated = false;
                        ((IDataObject)originalRef).ToBeDeleted = false;
                    }
                    validObjects.Add(originalRef);
                }
                PutInstancesToCurrentCache(validObjects, cache);
            }
            finally
            {
                CacheModification.Active = oldCacheModificationValue;
            }
        }
예제 #3
0
        protected IOriCollection Intern(ICUDResult cudResult, IMethodDescription methodDescription, IList <MergeOperation> mergeOperationSequence,
                                        IncrementalMergeState state)
        {
            IList <IChangeContainer> allChanges   = cudResult.AllChanges;
            IList <Object>           originalRefs = cudResult.GetOriginalRefs();
            IdentityHashMap <IChangeContainer, int> changeToChangeIndexDict = new IdentityHashMap <IChangeContainer, int>();

            for (int a = allChanges.Count; a-- > 0;)
            {
                changeToChangeIndexDict.Put(allChanges[a], a);
            }
            IObjRef[] objRefs      = new IObjRef[allChanges.Count];
            long[]    allChangedOn = new long[allChanges.Count];
            String[]  allChangedBy = new String[allChanges.Count];

            CHashSet <long>   changedOnSet = new CHashSet <long>();
            CHashSet <String> changedBySet = new CHashSet <String>();

            for (int a = 0, size = mergeOperationSequence.Count; a < size; a++)
            {
                MergeOperation         mergeOperation        = mergeOperationSequence[a];
                IMergeServiceExtension mergeServiceExtension = mergeOperation.MergeServiceExtension;

                IList <IChangeContainer> changesForMergeService = mergeOperation.ChangeContainer;
                ICUDResult msCudResult = BuildCUDResult(changesForMergeService, changeToChangeIndexDict, originalRefs);

                IOriCollection msOriCollection = mergeServiceExtension.Merge(msCudResult, methodDescription);

                MergeController.ApplyChangesToOriginals(msCudResult, msOriCollection, state.GetStateCache());

                IList <IObjRef> allChangeORIs = msOriCollection.AllChangeORIs;

                long?  msDefaultChangedOn = msOriCollection.ChangedOn;
                String msDefaultChangedBy = msOriCollection.ChangedBy;

                long[]   msAllChangedOn = msOriCollection.AllChangedOn;
                String[] msAllChangedBy = msOriCollection.AllChangedBy;
                for (int b = changesForMergeService.Count; b-- > 0;)
                {
                    int index = changeToChangeIndexDict.Get(changesForMergeService[b]);
                    objRefs[index] = allChangeORIs[b];

                    if (msAllChangedOn != null)
                    {
                        long msChangedOn = msAllChangedOn[b];
                        allChangedOn[index] = msChangedOn;
                        changedOnSet.Add(msChangedOn);
                    }
                    else
                    {
                        allChangedOn[index] = msDefaultChangedOn.Value;
                    }
                    if (msAllChangedBy != null)
                    {
                        String msChangedBy = msAllChangedBy[b];
                        allChangedBy[index] = msChangedBy;
                        changedBySet.Add(msChangedBy);
                    }
                    else
                    {
                        allChangedBy[index] = msDefaultChangedBy;
                    }
                }
                if (msDefaultChangedOn != null)
                {
                    changedOnSet.Add(msDefaultChangedOn.Value);
                }
                if (msDefaultChangedBy != null)
                {
                    changedBySet.Add(msDefaultChangedBy);
                }
            }
            OriCollection oriCollection = new OriCollection();

            oriCollection.AllChangeORIs = new List <IObjRef>(objRefs);

            if (changedBySet.Count == 1)
            {
                Iterator <String> iter = changedBySet.Iterator();
                iter.MoveNext();
                oriCollection.ChangedBy = iter.Current;
            }
            else
            {
                oriCollection.AllChangedBy = allChangedBy;
            }
            if (changedOnSet.Count == 1)
            {
                Iterator <long> iter = changedOnSet.Iterator();
                iter.MoveNext();
                oriCollection.ChangedOn = iter.Current;
            }
            else
            {
                oriCollection.AllChangedOn = allChangedOn;
            }
            foreach (IMergeListener mergeListener in mergeListeners.GetExtensions())
            {
                mergeListener.PostMerge(cudResult, objRefs);
            }
            if (originalRefs != null)
            {
                // Set each original ref to null in order to suppress a post-processing in a potentially calling IMergeProcess
                for (int a = originalRefs.Count; a-- > 0;)
                {
                    originalRefs[a] = null;
                }
            }
            // TODO DCE must be fired HERE <---
            return(oriCollection);
        }
예제 #4
0
        protected IOriCollection MergeIntern(ICUDResult cudResultOriginal, IMethodDescription methodDescription)
        {
            IResultingBackgroundWorkerDelegate <IOriCollection> runnable = new IResultingBackgroundWorkerDelegate <IOriCollection>(delegate()
            {
                IDisposableCache childCache = CacheFactory.CreatePrivileged(CacheFactoryDirective.SubscribeTransactionalDCE, false, false,
                                                                            "MergeServiceRegistry.STATE");
                try
                {
                    IncrementalMergeState state = null;
                    ICUDResult cudResultOfCache;
                    if (MergeProcess.IsAddNewlyPersistedEntities() || (Log.DebugEnabled && CudResultPrinter != null))
                    {
                        childCache = CacheFactory.CreatePrivileged(CacheFactoryDirective.SubscribeTransactionalDCE, false, false,
                                                                   "MergeServiceRegistry.STATE");
                        state            = (IncrementalMergeState)CudResultApplier.AcquireNewState(childCache);
                        cudResultOfCache = CudResultApplier.ApplyCUDResultOnEntitiesOfCache(cudResultOriginal, true, state);
                    }
                    else
                    {
                        cudResultOfCache = cudResultOriginal;
                    }
                    if (Log.DebugEnabled)
                    {
                        if (CudResultPrinter != null)
                        {
                            Log.Debug("Initial merge [" + RuntimeHelpers.GetHashCode(state) + "]:\n" + CudResultPrinter.PrintCUDResult(cudResultOfCache, state));
                        }
                        else
                        {
                            Log.Debug("Initial merge [" + RuntimeHelpers.GetHashCode(state) + "]. No Details available");
                        }
                    }
                    List <MergeOperation> mergeOperationSequence = new List <MergeOperation>();
                    ICUDResult extendedCudResult = WhatIfMerged(cudResultOfCache, methodDescription, mergeOperationSequence, state);

                    if (Log.DebugEnabled)
                    {
                        Log.Debug("Merge finished [" + RuntimeHelpers.GetHashCode(state) + "]");
                    }
                    if (MergeSecurityManager != null)
                    {
                        SecurityActive.ExecuteWithSecurityDirective(SecurityDirective.ENABLE_ENTITY_CHECK, delegate()
                        {
                            MergeSecurityManager.CheckMergeAccess(extendedCudResult, methodDescription);
                        });
                    }
                    List <Object> originalRefsOfCache  = new List <Object>(cudResultOfCache.GetOriginalRefs());
                    List <Object> originalRefsExtended = new List <Object>(extendedCudResult.GetOriginalRefs());
                    IOriCollection oriCollExtended     = Intern(extendedCudResult, methodDescription, mergeOperationSequence, state);

                    IList <IChangeContainer> allChangesOriginal = cudResultOriginal.AllChanges;
                    IList <IObjRef> allChangedObjRefsExtended   = oriCollExtended.AllChangeORIs;
                    IObjRef[] allChangedObjRefsResult           = new IObjRef[allChangesOriginal.Count];

                    IdentityHashMap <Object, int?> originalRefOfCacheToIndexMap = new IdentityHashMap <Object, int?>();
                    for (int a = originalRefsOfCache.Count; a-- > 0;)
                    {
                        originalRefOfCacheToIndexMap.Put(originalRefsOfCache[a], a);
                    }
                    for (int a = originalRefsExtended.Count; a-- > 0;)
                    {
                        int?indexOfCache = originalRefOfCacheToIndexMap.Get(originalRefsExtended[a]);
                        if (indexOfCache == null)
                        {
                            // this is a change implied by a rule or an persistence-implicit change
                            // we do not know about it in the outer original CUDResult
                            continue;
                        }
                        IObjRef objRefExtended = allChangedObjRefsExtended[a];
                        IObjRef objRefOriginal = allChangesOriginal[indexOfCache.Value].Reference;
                        if (objRefExtended == null)
                        {
                            // entity has been deleted
                            objRefOriginal.Id      = null;
                            objRefOriginal.Version = null;
                        }
                        else
                        {
                            objRefOriginal.Id      = objRefExtended.Id;
                            objRefOriginal.Version = objRefExtended.Version;
                        }
                        if (objRefOriginal is IDirectObjRef)
                        {
                            ((IDirectObjRef)objRefOriginal).Direct = null;
                        }
                        allChangedObjRefsResult[indexOfCache.Value] = objRefOriginal;
                    }
                    OriCollection oriCollection = new OriCollection(new List <IObjRef>(allChangedObjRefsResult));

                    return(oriCollection);
                }
                finally
                {
                    childCache.Dispose();
                }
            });

            if (SecurityActive == null || !SecurityActive.FilterActivated)
            {
                return(runnable());
            }
            else
            {
                return(SecurityActive.ExecuteWithoutFiltering(runnable));
            }
        }
예제 #5
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;
            }
        }
예제 #6
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);
        }