Esempio n. 1
0
        public IList <T> GetObjects <T>()
        {
            CheckNotDisposed();

            IdentityHashSet <T> result = new IdentityHashSet <T>();

            IList <T> parentResult = parent != null?parent.GetObjects <T>() : null;

            if (parentResult != null)
            {
                foreach (T parentItem in parentResult)
                {
                    result.Add(parentItem);
                }
            }
            readLock.Lock();
            try
            {
                HandleObjects(delegate(Object obj)
                {
                    if (typeof(T).IsAssignableFrom(obj.GetType()))
                    {
                        result.Add((T)obj);
                    }
                });
                return(ListUtil.ToList(result));
            }
            finally
            {
                readLock.Unlock();
            }
        }
Esempio n. 2
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        protected ICacheWalkerResult WalkIntern(IObjRef[] objRefs, IdentityHashSet <ICache> allCachesSet)
        {
            IdentityHashMap <ICache, List <ICache> > cacheToChildCaches = new IdentityHashMap <ICache, List <ICache> >();
            IdentityHashMap <ICache, ICache>         cacheToProxyCache  = new IdentityHashMap <ICache, ICache>();

            ICache currentCommittedRootCache = CommittedRootCache.CurrentCache;

            if (!CacheProvider.IsNewInstanceOnCall)
            {
                allCachesSet.Add(FirstLevelCache.CurrentCache);
            }

            ICache[] allChildCaches = allCachesSet.ToArray();

            allCachesSet.Add(currentCommittedRootCache);
            foreach (ICache childCache in allChildCaches)
            {
                ICache child  = childCache;
                ICache parent = ((ChildCache)child).Parent;
                while (parent != null)
                {
                    ICache currentParent = parent.CurrentCache;

                    if (!allCachesSet.Add(currentParent))
                    {
                        // skip this cache. we handled it already
                        break;
                    }
                    CheckParentCache(parent, currentParent, child, cacheToChildCaches, cacheToProxyCache);
                    parent = ((IRootCache)currentParent).Parent;
                    child  = currentParent;
                }
                CheckParentCache(CommittedRootCache, currentCommittedRootCache, child, cacheToChildCaches, cacheToProxyCache);
            }
            if (objRefs != allEntityRefs)
            {
                objRefs = new CHashSet <IObjRef>(objRefs).ToArray();
                Array.Sort(objRefs, ObjRef.comparator);
            }
            CacheWalkerResult rootEntry = BuildWalkedEntry(currentCommittedRootCache, objRefs, cacheToChildCaches, cacheToProxyCache);

            if (objRefs == allEntityRefs)
            {
                HashMap <IObjRef, int?> allObjRefs = new HashMap <IObjRef, int?>();
                CollectAllObjRefs(rootEntry, allObjRefs);
                objRefs = allObjRefs.Count > 0 ? ListUtil.ToArray(allObjRefs.KeyList()) : ObjRef.EMPTY_ARRAY;
                Array.Sort(objRefs, ObjRef.comparator);
                for (int a = objRefs.Length; a-- > 0;)
                {
                    allObjRefs.Put(objRefs[a], a);
                }
                ReallocateObjRefsAndCacheValues(rootEntry, objRefs, allObjRefs);
            }
            return(rootEntry);
        }
Esempio n. 3
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        protected void WaitEventToResume(IBackgroundWorkerParamDelegate <IProcessResumeItem> resumeDelegate, IBackgroundWorkerParamDelegate <Exception> errorDelegate)
        {
            IRootCache             rootCache = RootCache;
            IList <IWritableCache> selectedFirstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches();

            ISet <Object> collisionSet = new IdentityHashSet <Object>();

            collisionSet.Add(rootCache);
            for (int a = selectedFirstLevelCaches.Count; a-- > 0;)
            {
                collisionSet.Add(selectedFirstLevelCaches[a]);
            }
            // Without the current rootcache we can not handle the event now. We have to block till the rootCache and all childCaches get valid
            EventDispatcher.WaitEventToResume(collisionSet, -1, resumeDelegate, errorDelegate);
        }
        public virtual void DisplayCurrentSortStates()
        {
            GridViewColumnCollection       columns          = GridViewDataControl.Columns;
            ISet <GridViewBoundColumnBase> unmatchedColumns = new IdentityHashSet <GridViewBoundColumnBase>();

            foreach (GridViewBoundColumnBase column in columns)
            {
                unmatchedColumns.Add(column);
            }

            foreach (AmbethSortDescriptor sortDescriptor in SortDescriptorList)
            {
                foreach (GridViewBoundColumnBase column in columns)
                {
                    if (column.GetDataMemberName() == sortDescriptor.Member)
                    {
                        column.SortingState = SortDescriptorConverter.GetTelerikSortingState(sortDescriptor);
                        unmatchedColumns.Remove(column);
                        break;
                    }
                }
            }
            foreach (GridViewBoundColumnBase unmatchedColumn in unmatchedColumns)
            {
                unmatchedColumn.SortingState = SortingState.None;
            }
        }
        public virtual void RemoveArgument(ExtractionObject argToRemove, bool removeParent)
        {
            ICollection <ExtractionObject> thisEvent = new IdentityHashSet <ExtractionObject>();

            thisEvent.Add(argToRemove);
            RemoveArguments(thisEvent, removeParent);
        }
Esempio n. 6
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        protected void BuildCollisionSetIntern(CacheDependencyNode node, IdentityHashSet <Object> collisionSet)
        {
            collisionSet.Add(node.rootCache);
            List <CacheDependencyNode> childNodes = node.childNodes;

            for (int a = childNodes.Count; a-- > 0;)
            {
                BuildCollisionSetIntern(childNodes[a], collisionSet);
            }
            collisionSet.AddAll(node.directChildCaches);
        }
Esempio n. 7
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        protected void HandleObjects(HandleObjectsDelegate handleObjectsDelegate)
        {
            IdentityHashSet <Object> alreadyHandledSet = new IdentityHashSet <Object>();

            foreach (Entry <Type, Object> entry in typeToServiceDict)
            {
                Object obj = entry.Value;
                if (alreadyHandledSet.Add(obj))
                {
                    handleObjectsDelegate.Invoke(obj);
                }
            }
            foreach (Entry <String, Object> entry in nameToServiceDict)
            {
                Object obj = entry.Value;
                if (alreadyHandledSet.Add(obj))
                {
                    handleObjectsDelegate.Invoke(obj);
                }
            }
        }
        public void Register(V listener)
        {
            ParamChecker.AssertParamNotNull(listener, message);
            Lock writeLock = this.writeLock;

            writeLock.Lock();
            try
            {
                ParamChecker.AssertTrue(set.Add(listener), message);
            }
            finally
            {
                writeLock.Unlock();
            }
        }
Esempio n. 9
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 /**
  * Create a disjoint set for the element passed in. This method should be
  * called for all elements before any of the other API methods are called
  * (i.e. construct a disjoint set for each element first and then union them
  * together as appropriate).
  *
  * @param element
  *            the element for which a new disjoint set should be
  *            constructed.
  */
 public void makeSet(E element)
 {
     if (!elementToSet.ContainsKey(element))
     {
         // Note: It is necessary to use an identity based hash set
         // whose equal and hashCode method are based on the Sets
         // identity and not its elements as we are adding
         // this set to a set but changing its values as unions
         // occur.
         ISet <E> set = new IdentityHashSet <E>();
         set.Add(element);
         elementToSet.Put(element, set);
         disjointSets.Add(set);
     }
 }
Esempio n. 10
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        protected void FilterWrongRelationMappings(IISet <RelationMember> relationMembers)
        {
            // filter all relations which can not be a relation because of explicit embedded property mapping
            IdentityHashSet <RelationMember> toRemove = new IdentityHashSet <RelationMember>();

            foreach (RelationMember relationMember in relationMembers)
            {
                String[] memberPath = EmbeddedMember.Split(relationMember.Name);
                foreach (RelationMember otherRelationMember in relationMembers)
                {
                    if (Object.ReferenceEquals(relationMember, otherRelationMember) || toRemove.Contains(otherRelationMember))
                    {
                        continue;
                    }
                    if (!(otherRelationMember is IEmbeddedMember))
                    {
                        // only embedded members can help identifying other wrong relation members
                        continue;
                    }
                    String[] otherMemberPath = ((IEmbeddedMember)otherRelationMember).GetMemberPathToken();
                    if (memberPath.Length > otherMemberPath.Length)
                    {
                        continue;
                    }
                    bool match = true;
                    for (int a = 0, size = memberPath.Length; a < size; a++)
                    {
                        if (!memberPath[a].Equals(otherMemberPath[a]))
                        {
                            match = false;
                            break;
                        }
                    }
                    if (match)
                    {
                        toRemove.Add(relationMember);
                        break;
                    }
                }
            }
            relationMembers.RemoveAll(toRemove);
        }
Esempio n. 11
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        public IBusyToken AcquireBusyToken()
        {
            BusyToken token = new BusyToken(this);
            bool      changed;

            lock (pendingTokens)
            {
                pendingTokens.Add(token);
                changed = (pendingTokens.Count == 1);
            }
            GuiThreadHelper.InvokeInGui(delegate()
            {
                PropertyChanged(this, busyCountPCE);
                // Busy flag might evaluate to true
                if (changed)
                {
                    PropertyChanged(this, isBusyPCE);
                }
            });
            return(token);
        }
Esempio n. 12
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        public IList <T> GetImplementingObjects <T>()
        {
            IdentityHashSet <T> set = new IdentityHashSet <T>();
            Lock readLock           = this.readLock;

            readLock.Lock();
            try
            {
                HandleObjects(delegate(Object obj)
                {
                    if (typeof(T).IsAssignableFrom(obj.GetType()))
                    {
                        set.Add((T)obj);
                    }
                });
                return(ListUtil.ToList(set));
            }
            finally
            {
                readLock.Unlock();
            }
        }
Esempio n. 13
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        public ICacheWalkerResult WalkEntities <T>(params T[] entities)
        {
            IList <IObjRef> objRefs = new List <IObjRef>(entities.Length);

            objRefs = ObjRefHelper.ExtractObjRefList(entities, null, objRefs);

            IdentityHashSet <ICache> allCachesSet = new IdentityHashSet <ICache>();

            foreach (Object entity in entities)
            {
                if (entity is IValueHolderContainer)
                {
                    ICache targetCache = ((IValueHolderContainer)entity).__TargetCache;
                    if (targetCache != null)
                    {
                        allCachesSet.Add(targetCache);
                    }
                }
            }

            return(WalkIntern(ListUtil.ToArray(objRefs), allCachesSet));
        }
Esempio n. 14
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        public void WaitEventToResume(Object eventTargetToResume, long maxWaitTime, IBackgroundWorkerParamDelegate <IProcessResumeItem> resumeDelegate, IBackgroundWorkerParamDelegate <Exception> errorDelegate)
        {
            try
            {
                IdentityHashSet <Object> pendingSet = new IdentityHashSet <Object>();
                if (eventTargetToResume is IEnumerable)
                {
                    pendingSet.AddAll((IEnumerable)eventTargetToResume);
                }
                else
                {
                    pendingSet.Add(eventTargetToResume);
                }
                WaitForResumeItem pauseItem = null;
                listenersWriteLock.Lock();
                try
                {
                    IList <Object>             remainingPausedEventTargets    = EvaluatePausedEventTargetsOfForeignThreads();
                    IdentityLinkedSet <Object> remainingPausedEventTargetsSet = new IdentityLinkedSet <Object>(remainingPausedEventTargets);
                    remainingPausedEventTargetsSet.RetainAll(pendingSet);

                    if (remainingPausedEventTargetsSet.Count > 0)
                    {
                        // We should wait now but we have to check if we are in the UI thread, which must never wait
                        if (GuiThreadHelper.IsInGuiThread())
                        {
                            // This is the trick: We "requeue" the current action in the UI pipeline to prohibit blocking
                            GuiThreadHelper.InvokeInGuiLate(delegate()
                            {
                                WaitEventToResume(eventTargetToResume, maxWaitTime, resumeDelegate, errorDelegate);
                            });
                            return;
                        }
                        pauseItem = new WaitForResumeItem(pendingSet);
                        waitForResumeSet.Add(pauseItem);
                    }
                }
                finally
                {
                    listenersWriteLock.Unlock();
                }
                if (pauseItem == null)
                {
                    resumeDelegate.Invoke(null);
                    return;
                }
                CountDownLatch latch = pauseItem.Latch;
                if (maxWaitTime < 0)
                {
                    latch.Await();
                }
                else if (maxWaitTime > 0)
                {
                    latch.Await(TimeSpan.FromMilliseconds(maxWaitTime));
                }
                else
                {
                    throw new System.Exception("Thread should wait but does not want to");
                }
                resumeDelegate.Invoke(pauseItem);
            }
            catch (Exception e)
            {
                if (Log.ErrorEnabled)
                {
                    Log.Error(e);
                }
                if (errorDelegate != null)
                {
                    errorDelegate.Invoke(e);
                }
                throw;
            }
        }
Esempio n. 15
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        /*
         * Non-recursive version of object descend. this consumes more memory than recursive in-depth
         * traversal but prevents stack overflows on long chains of objects
         * or complex graphs (a max. recursion depth on my machine was ~5000 objects linked in a chain
         * so not too much).
         */

        private static long MeasureObjectSize(object root)
        {
            // Objects seen so far.
            IdentityHashSet <object> seen = new IdentityHashSet <object>();
            // Class cache with reference Field and precalculated shallow size.
            IDictionary <Type, ClassCache> classCache = new JCG.Dictionary <Type, ClassCache>(IdentityEqualityComparer <Type> .Default);
            // Stack of objects pending traversal. Recursion caused stack overflows.
            Stack <object> stack = new Stack <object>();

            stack.Push(root);

            long totalSize = 0;

            while (stack.Count > 0)
            {
                object ob = stack.Pop();

                if (ob is null || seen.Contains(ob))
                {
                    continue;
                }
                seen.Add(ob);

                Type obClazz = ob.GetType();
                // LUCENENET specific - .NET cannot return a null type for an object, so no need to assert it
                if (obClazz.Equals(typeof(string)))
                {
                    // LUCENENET specific - we can get a closer estimate of a string
                    // by using simple math. Reference: http://stackoverflow.com/a/8171099.
                    // This fixes the TestSanity test.
                    totalSize += (2 * (((string)ob).Length + 1));
                }
                if (obClazz.IsArray)
                {
                    /*
                     * Consider an array, possibly of primitive types. Push any of its references to
                     * the processing stack and accumulate this array's shallow size.
                     */
                    long  size  = NUM_BYTES_ARRAY_HEADER;
                    Array array = (Array)ob;
                    int   len   = array.Length;
                    if (len > 0)
                    {
                        Type componentClazz = obClazz.GetElementType();
                        if (componentClazz.IsPrimitive)
                        {
                            size += (long)len * primitiveSizes[componentClazz];
                        }
                        else
                        {
                            size += (long)NUM_BYTES_OBJECT_REF * len;

                            // Push refs for traversal later.
                            for (int i = len; --i >= 0;)
                            {
                                object o = array.GetValue(i);
                                if (o != null && !seen.Contains(o))
                                {
                                    stack.Push(o);
                                }
                            }
                        }
                    }
                    totalSize += AlignObjectSize(size);
                }
                else
                {
                    /*
                     * Consider an object. Push any references it has to the processing stack
                     * and accumulate this object's shallow size.
                     */
                    try
                    {
                        if (!classCache.TryGetValue(obClazz, out ClassCache cachedInfo) || cachedInfo is null)
                        {
                            classCache[obClazz] = cachedInfo = CreateCacheEntry(obClazz);
                        }

                        foreach (FieldInfo f in cachedInfo.ReferenceFields)
                        {
                            // Fast path to eliminate redundancies.
                            object o = f.GetValue(ob);
                            if (o != null && !seen.Contains(o))
                            {
                                stack.Push(o);
                            }
                        }

                        totalSize += cachedInfo.AlignedShallowInstanceSize;
                    }
                    catch (Exception e) when(e.IsIllegalAccessException())
                    {
                        // this should never happen as we enabled setAccessible().
                        throw RuntimeException.Create("Reflective field access failed?", e);
                    }
                }
            }

            // Help the GC (?).
            seen.Clear();
            stack.Clear();
            classCache.Clear();

            return(totalSize);
        }
Esempio n. 16
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        static TestRandomChains()
        {
            try
            {
                brokenConstructors[typeof(LimitTokenCountFilter).GetConstructor(new Type[] { typeof(TokenStream), typeof(int) })] = ALWAYS;
                brokenConstructors[typeof(LimitTokenCountFilter).GetConstructor(new Type[] { typeof(TokenStream), typeof(int), typeof(bool) })]    = new PredicateAnonymousInnerClassHelper2();
                brokenConstructors[typeof(LimitTokenPositionFilter).GetConstructor(new Type[] { typeof(TokenStream), typeof(int) })]               = ALWAYS;
                brokenConstructors[typeof(LimitTokenPositionFilter).GetConstructor(new Type[] { typeof(TokenStream), typeof(int), typeof(bool) })] = new PredicateAnonymousInnerClassHelper3();
                foreach (Type c in Arrays.AsList(
                             // TODO: can we promote some of these to be only
                             // offsets offenders?
                             // doesn't actual reset itself:
                             typeof(CachingTokenFilter),
                             // Not broken, simulates brokenness:
                             typeof(CrankyTokenFilter),
                             // Not broken: we forcefully add this, so we shouldn't
                             // also randomly pick it:
                             typeof(ValidatingTokenFilter)))
                {
                    foreach (ConstructorInfo ctor in c.GetConstructors())
                    {
                        brokenConstructors[ctor] = ALWAYS;
                    }
                }
            }
            catch (Exception e)
            {
                throw new Exception(e.Message, e);
            }
            try
            {
                foreach (Type c in Arrays.AsList(
                             typeof(ReversePathHierarchyTokenizer),
                             typeof(PathHierarchyTokenizer),
                             // TODO: it seems to mess up offsets!?
                             typeof(WikipediaTokenizer),
                             // TODO: doesn't handle graph inputs
                             typeof(CJKBigramFilter),
                             // TODO: doesn't handle graph inputs (or even look at positionIncrement)
                             typeof(HyphenatedWordsFilter),
                             // TODO: LUCENE-4983
                             typeof(CommonGramsFilter),
                             // TODO: doesn't handle graph inputs
                             typeof(CommonGramsQueryFilter),
                             // TODO: probably doesnt handle graph inputs, too afraid to try
                             typeof(WordDelimiterFilter)))
                {
                    foreach (ConstructorInfo ctor in c.GetConstructors())
                    {
                        brokenOffsetsConstructors[ctor] = ALWAYS;
                    }
                }
            }
            catch (Exception e)
            {
                throw new Exception(e.Message, e);
            }

            allowedTokenizerArgs = new IdentityHashSet <Type>(); // Collections.NewSetFromMap(new IdentityHashMap<Type, bool?>());
            allowedTokenizerArgs.addAll(argProducers.Keys);
            allowedTokenizerArgs.Add(typeof(TextReader));
            allowedTokenizerArgs.Add(typeof(AttributeSource.AttributeFactory));
            allowedTokenizerArgs.Add(typeof(AttributeSource));

            allowedTokenFilterArgs = new IdentityHashSet <Type>();  //Collections.newSetFromMap(new IdentityHashMap<Type, bool?>());
            allowedTokenFilterArgs.addAll(argProducers.Keys);
            allowedTokenFilterArgs.Add(typeof(TokenStream));
            // TODO: fix this one, thats broken:
            allowedTokenFilterArgs.Add(typeof(CommonGramsFilter));

            allowedCharFilterArgs = new IdentityHashSet <Type>(); //Collections.newSetFromMap(new IdentityHashMap<Type, bool?>());
            allowedCharFilterArgs.addAll(argProducers.Keys);
            allowedCharFilterArgs.Add(typeof(TextReader));
        }
Esempio n. 17
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        /*
         * Non-recursive version of object descend. this consumes more memory than recursive in-depth
         * traversal but prevents stack overflows on long chains of objects
         * or complex graphs (a max. recursion depth on my machine was ~5000 objects linked in a chain
         * so not too much).
         */

        private static long MeasureObjectSize(object root)
        {
            // Objects seen so far.
            IdentityHashSet <object> seen = new IdentityHashSet <object>();
            // Class cache with reference Field and precalculated shallow size.
            HashMap <Type, ClassCache> classCache = new HashMap <Type, ClassCache>();
            // Stack of objects pending traversal. Recursion caused stack overflows.
            Stack <object> stack = new Stack <object>();

            stack.Push(root);

            long totalSize = 0;

            while (stack.Count > 0)
            {
                object ob = stack.Pop();

                if (ob == null || seen.Contains(ob))
                {
                    continue;
                }
                seen.Add(ob);

                Type obClazz = ob.GetType();
                if (obClazz.IsArray)
                {
                    /*
                     * Consider an array, possibly of primitive types. Push any of its references to
                     * the processing stack and accumulate this array's shallow size.
                     */
                    long  size  = NUM_BYTES_ARRAY_HEADER;
                    Array array = (Array)ob;
                    int   len   = array.Length;
                    if (len > 0)
                    {
                        Type componentClazz = obClazz.GetElementType();
                        if (componentClazz.IsPrimitive)
                        {
                            size += (long)len * PrimitiveSizes[componentClazz];
                        }
                        else
                        {
                            size += (long)NUM_BYTES_OBJECT_REF * len;

                            // Push refs for traversal later.
                            for (int i = len; --i >= 0;)
                            {
                                object o = array.GetValue(i);
                                if (o != null && !seen.Contains(o))
                                {
                                    stack.Push(o);
                                }
                            }
                        }
                    }
                    totalSize += AlignObjectSize(size);
                }
                else
                {
                    /*
                     * Consider an object. Push any references it has to the processing stack
                     * and accumulate this object's shallow size.
                     */
                    try
                    {
                        ClassCache cachedInfo = classCache[obClazz];
                        if (cachedInfo == null)
                        {
                            classCache[obClazz] = cachedInfo = CreateCacheEntry(obClazz);
                        }

                        foreach (FieldInfo f in cachedInfo.ReferenceFields)
                        {
                            // Fast path to eliminate redundancies.
                            object o = f.GetValue(ob);
                            if (o != null && !seen.Contains(o))
                            {
                                stack.Push(o);
                            }
                        }

                        totalSize += cachedInfo.AlignedShallowInstanceSize;
                    }
                    catch (Exception e)
                    {
                        // this should never happen as we enabled setAccessible().
                        throw new Exception("Reflective field access failed?", e);
                    }
                }
            }

            // Help the GC (?).
            seen.Clear();
            stack.Clear();
            classCache.Clear();

            return(totalSize);
        }
Esempio n. 18
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        public Type GetEnhancedType(Type typeToEnhance, String newTypeNamePrefix, IEnhancementHint hint)
        {
            Type extendedType = GetEnhancedTypeIntern(typeToEnhance, hint);

            if (extendedType != null)
            {
                return(extendedType);
            }
            lock (writeLock)
            {
                // Concurrent thread may have been faster
                extendedType = GetEnhancedTypeIntern(typeToEnhance, hint);
                if (extendedType != null)
                {
                    return(extendedType);
                }
                if (Log.InfoEnabled)
                {
                    Log.Info("Enhancing " + typeToEnhance + " with hint: " + hint);
                }
                ValueType valueType = DictionaryExtension.ValueOrDefault(typeToExtendedType, typeToEnhance);
                if (valueType == null)
                {
                    valueType = new ValueType();
                    typeToExtendedType.Add(typeToEnhance, valueType);
                }
                else
                {
                    valueType.AddChangeCount();
                    newTypeNamePrefix += "_O" + valueType.ChangeCount;
                }

                List <IBytecodeBehavior> pendingBehaviors = new List <IBytecodeBehavior>();

                IBytecodeBehavior[] extensions = bytecodeBehaviorExtensions.GetExtensions();
                pendingBehaviors.AddRange(extensions);

                Type enhancedType;
                if (pendingBehaviors.Count > 0)
                {
                    enhancedType = EnhanceTypeIntern(typeToEnhance, newTypeNamePrefix, pendingBehaviors, hint);
                }
                else
                {
                    enhancedType = typeToEnhance;
                }
                WeakReference entityTypeR = typeToExtendedType.GetWeakReferenceEntry(typeToEnhance);
                if (entityTypeR == null)
                {
                    throw new Exception("Must never happen");
                }
                hardRefToTypes.Add(enhancedType);
                hardRefToTypes.Add(typeToEnhance);

                if (TraceDir != null)
                {
                    LogBytecodeOutput(enhancedType.FullName, BytecodeClassLoader.ToPrintableBytecode(enhancedType));
                }
                else if (Log.DebugEnabled)
                {
                    // note that this intentionally will only be logged to the console if the traceDir is NOT specified already
                    Log.Debug(BytecodeClassLoader.ToPrintableBytecode(enhancedType));
                }
                try
                {
                    CheckEnhancedTypeConsistency(enhancedType);
                }
                catch (Exception e)
                {
                    if (Log.ErrorEnabled)
                    {
                        Log.Error(BytecodeClassLoader.ToPrintableBytecode(enhancedType), e);
                    }
                    BytecodeClassLoader.Save();
                    throw;
                }
                WeakReference enhancedEntityTypeR = new WeakReference(enhancedType);
                valueType.Put(hint, enhancedEntityTypeR);
                extendedTypeToType.Add(enhancedType, entityTypeR);
                if (Log.InfoEnabled)
                {
                    Log.Info("Enhancement finished successfully with type: " + enhancedType);
                }
                return(enhancedType);
            }
        }
Esempio n. 19
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        protected CacheWalkerResult BuildWalkedEntry(ICache cache, IObjRef[] objRefs, IdentityHashMap <ICache, List <ICache> > cacheToChildCaches,
                                                     IdentityHashMap <ICache, ICache> cacheToProxyCache)
        {
            List <ICache> childCaches = cacheToChildCaches.Get(cache);

            CacheWalkerResult[] childCacheEntries;

            if (childCaches == null)
            {
                childCacheEntries = null;
            }
            else
            {
                childCacheEntries = new CacheWalkerResult[childCaches.Count];
                for (int a = childCaches.Count; a-- > 0;)
                {
                    childCacheEntries[a] = BuildWalkedEntry(childCaches[a], objRefs, cacheToChildCaches, cacheToProxyCache);
                }
            }
            ICache proxyCache = cacheToProxyCache.Get(cache);

            bool transactional = false, threadLocal = false;

            if (proxyCache != null)
            {
                threadLocal = true;
                if (TransactionState != null && TransactionState.IsTransactionActive)
                {
                    transactional = true;
                }
            }

            IList <Object> cacheValues;

            if (objRefs != allEntityRefs)
            {
                if (cache is ChildCache)
                {
                    cacheValues = cache.GetObjects(objRefs, CacheDirective.FailEarly | CacheDirective.ReturnMisses);
                }
                else
                {
                    cacheValues = cache.GetObjects(objRefs, CacheDirective.FailEarly | CacheDirective.CacheValueResult | CacheDirective.ReturnMisses);
                }
            }
            else
            {
                IdentityHashSet <Object> fCacheValues = new IdentityHashSet <Object>();
                cache.GetContent(new HandleContentDelegate(delegate(Type entityType, sbyte idIndex, Object id, Object value)
                {
                    fCacheValues.Add(value);
                }));
                cacheValues = fCacheValues.ToList();

                // generate ad-hoc objRefs
                objRefs = cacheValues.Count > 0 ? ListUtil.ToArray(ObjRefHelper.ExtractObjRefList(cacheValues, null)) : ObjRef.EMPTY_ARRAY;
            }
            Object childEntries = childCacheEntries;

            if (childCacheEntries != null && childCacheEntries.Length == 1)
            {
                childEntries = childCacheEntries[0];
            }
            CacheWalkerResult parentEntry = new CacheWalkerResult(cache, transactional, threadLocal, objRefs, ListUtil.ToArray(cacheValues), childEntries);

            if (childCacheEntries != null)
            {
                for (int a = childCacheEntries.Length; a-- > 0;)
                {
                    childCacheEntries[a].ParentEntry = parentEntry;
                }
            }
            if (objRefs != allEntityRefs)
            {
                parentEntry.UpdatePendingChanges();
            }
            return(parentEntry);
        }
Esempio n. 20
0
        public void AddMembers(EntityMetaData metaData, IEntityConfig entityConfig)
        {
            Type realType = entityConfig.RealType;

            ISet <String>                      memberNamesToIgnore      = new HashSet <String>();
            ISet <String>                      explicitBasicMemberNames = new HashSet <String>();
            IList <IMemberConfig>              embeddedMembers          = new List <IMemberConfig>();
            IMap <String, IMemberConfig>       nameToMemberConfig       = new HashMap <String, IMemberConfig>();
            IMap <String, IRelationConfig>     nameToRelationConfig     = new HashMap <String, IRelationConfig>();
            IdentityLinkedMap <String, Member> nameToMemberMap          = new IdentityLinkedMap <String, Member>();

            FillNameCollections(entityConfig, memberNamesToIgnore, explicitBasicMemberNames, embeddedMembers, nameToMemberConfig, nameToRelationConfig);

            IdentityLinkedSet <PrimitiveMember> alternateIdMembers = new IdentityLinkedSet <PrimitiveMember>();
            IdentityLinkedSet <PrimitiveMember> primitiveMembers   = new IdentityLinkedSet <PrimitiveMember>();
            IdentityLinkedSet <RelationMember>  relationMembers    = new IdentityLinkedSet <RelationMember>();
            IdentityLinkedSet <Member>          notMergeRelevant   = new IdentityLinkedSet <Member>();

            IdentityLinkedSet <Member> containedInAlternateIdMember = new IdentityLinkedSet <Member>();

            IPropertyInfo[] properties = PropertyInfoProvider.GetProperties(realType);

            IdentityLinkedMap <String, Member> explicitlyConfiguredMemberNameToMember = new IdentityLinkedMap <String, Member>();

            HashMap <String, IOrmConfig> nameToConfigMap = new HashMap <String, IOrmConfig>();

            // Resolve members for all explicit configurations - both simple and composite ones, each with embedded
            // functionality (dot-member-path)
            foreach (IMemberConfig memberConfig in entityConfig.GetMemberConfigIterable())
            {
                PutNameToConfigMap(memberConfig, nameToConfigMap);
                if (memberConfig.Ignore)
                {
                    continue;
                }
                HandleMemberConfig(metaData, realType, memberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
            }
            foreach (IRelationConfig relationConfig in entityConfig.GetRelationConfigIterable())
            {
                PutNameToConfigMap(relationConfig, nameToConfigMap);
                HandleRelationConfig(realType, relationConfig, explicitlyConfiguredMemberNameToMember);
            }
            PutNameToConfigMap(entityConfig.IdMemberConfig, nameToConfigMap);
            PutNameToConfigMap(entityConfig.VersionMemberConfig, nameToConfigMap);
            PutNameToConfigMap(entityConfig.CreatedByMemberConfig, nameToConfigMap);
            PutNameToConfigMap(entityConfig.CreatedOnMemberConfig, nameToConfigMap);
            PutNameToConfigMap(entityConfig.UpdatedByMemberConfig, nameToConfigMap);
            PutNameToConfigMap(entityConfig.UpdatedOnMemberConfig, nameToConfigMap);

            metaData.IdMember        = HandleMemberConfig(metaData, realType, entityConfig.IdMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
            metaData.VersionMember   = HandleMemberConfig(metaData, realType, entityConfig.VersionMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
            metaData.CreatedByMember = HandleMemberConfig(metaData, realType, entityConfig.CreatedByMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
            metaData.CreatedOnMember = HandleMemberConfig(metaData, realType, entityConfig.CreatedOnMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
            metaData.UpdatedByMember = HandleMemberConfig(metaData, realType, entityConfig.UpdatedByMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);
            metaData.UpdatedOnMember = HandleMemberConfig(metaData, realType, entityConfig.UpdatedOnMemberConfig, explicitlyConfiguredMemberNameToMember, nameToMemberMap);

            IdentityHashSet <Member> idMembers = new IdentityHashSet <Member>();
            Member idMember = metaData.IdMember;

            if (idMember is CompositeIdMember)
            {
                idMembers.AddAll(((CompositeIdMember)idMember).Members);
            }
            else
            {
                idMembers.Add(idMember);
            }

            // Handle all explicitly configured members
            foreach (Entry <String, Member> entry in explicitlyConfiguredMemberNameToMember)
            {
                String     memberName = entry.Key;
                IOrmConfig ormConfig  = nameToConfigMap.Get(memberName);

                Member member = entry.Value;

                if (idMembers.Contains(member))
                {
                    continue;
                }
                if (ormConfig.ExplicitlyNotMergeRelevant)
                {
                    notMergeRelevant.Add(member);
                }
                if (ormConfig is IRelationConfig)
                {
                    if (!relationMembers.Add((RelationMember)member))
                    {
                        throw new Exception("Member has been registered as relation multiple times: " + member.Name);
                    }
                    continue;
                }
                if (!(ormConfig is IMemberConfig))
                {
                    continue;
                }
                if (((IMemberConfig)ormConfig).AlternateId)
                {
                    if (!alternateIdMembers.Add((PrimitiveMember)member))
                    {
                        throw new Exception("Member has been registered as alternate id multiple times: " + member.Name);
                    }
                    if (member is CompositeIdMember)
                    {
                        Member[] containedMembers = ((CompositeIdMember)member).Members;
                        containedInAlternateIdMember.AddAll(containedMembers);
                    }
                }
                if (!(member is CompositeIdMember) && metaData.VersionMember != member)
                {
                    // Alternate Ids are normally primitives, too. But Composite Alternate Ids not - only their composite
                    // items are primitives
                    primitiveMembers.Add((PrimitiveMember)member);
                }
            }
            IdentityHashSet <String> explicitTypeInfoItems = IdentityHashSet <String> .Create(explicitlyConfiguredMemberNameToMember.Count);

            foreach (Entry <String, Member> entry in explicitlyConfiguredMemberNameToMember)
            {
                Member member = entry.Value;
                explicitTypeInfoItems.Add(member.Name);
                if (member is IEmbeddedMember)
                {
                    explicitTypeInfoItems.Add(((IEmbeddedMember)member).GetMemberPath()[0].Name);
                }
            }
            // Go through the available members to look for potential auto-mapping (simple, no embedded)
            for (int i = 0; i < properties.Length; i++)
            {
                IPropertyInfo property   = properties[i];
                String        memberName = property.Name;
                if (memberNamesToIgnore.Contains(memberName))
                {
                    continue;
                }
                if (explicitTypeInfoItems.Contains(memberName))
                {
                    // already configured, no auto mapping needed for this member
                    continue;
                }

                MethodPropertyInfo mProperty = (MethodPropertyInfo)property;
                Type elementType             = TypeInfoItemUtil.GetElementTypeUsingReflection(mProperty.Getter.ReturnType, null);
                if ((nameToMemberMap.Get(property.Name) is RelationMember) || RelationProvider.IsEntityType(elementType))
                {
                    RelationMember member = GetRelationMember(metaData.EntityType, property, nameToMemberMap);
                    relationMembers.Add(member);
                    continue;
                }
                PrimitiveMember member2 = GetPrimitiveMember(metaData.EntityType, property, nameToMemberMap);
                if (metaData.IdMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_ID))
                {
                    metaData.IdMember = member2;
                    continue;
                }
                if (idMembers.Contains(member2) && !alternateIdMembers.Contains(member2) && !containedInAlternateIdMember.Contains(member2))
                {
                    continue;
                }
                if (member2.Equals(metaData.IdMember) || member2.Equals(metaData.VersionMember) || member2.Equals(metaData.CreatedByMember) ||
                    member2.Equals(metaData.CreatedOnMember) || member2.Equals(metaData.UpdatedByMember) || member2.Equals(metaData.UpdatedOnMember))
                {
                    continue;
                }
                if (metaData.VersionMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_VERSION))
                {
                    metaData.VersionMember = member2;
                    continue;
                }
                if (metaData.CreatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_BY))
                {
                    metaData.CreatedByMember = member2;
                }
                else if (metaData.CreatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_ON))
                {
                    metaData.CreatedOnMember = member2;
                }
                else if (metaData.UpdatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_BY))
                {
                    metaData.UpdatedByMember = member2;
                }
                else if (metaData.UpdatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_ON))
                {
                    metaData.UpdatedOnMember = member2;
                }
                primitiveMembers.Add(member2);
            }
            foreach (PrimitiveMember member in primitiveMembers)
            {
                String memberName = member.Name;
                if (explicitBasicMemberNames.Contains(memberName))
                {
                    // Even if the name would match, this member was explicitly configured as "basic"
                    continue;
                }
                if (metaData.CreatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_BY))
                {
                    metaData.CreatedByMember = member;
                }
                else if (metaData.CreatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_CREATED_ON))
                {
                    metaData.CreatedOnMember = member;
                }
                else if (metaData.UpdatedByMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_BY))
                {
                    metaData.UpdatedByMember = member;
                }
                else if (metaData.UpdatedOnMember == null && memberName.Equals(EntityMetaData.DEFAULT_NAME_UPDATED_ON))
                {
                    metaData.UpdatedOnMember = member;
                }
            }
            FilterWrongRelationMappings(relationMembers);
            // Order of setter calls is important
            PrimitiveMember[] primitives   = primitiveMembers.ToArray();
            PrimitiveMember[] alternateIds = alternateIdMembers.ToArray();
            RelationMember[]  relations    = relationMembers.ToArray();
            Array.Sort(primitives);
            Array.Sort(alternateIds);
            Array.Sort(relations);
            metaData.PrimitiveMembers   = primitives;
            metaData.AlternateIdMembers = alternateIds;
            metaData.RelationMembers    = relations;

            foreach (Member member in notMergeRelevant)
            {
                metaData.SetMergeRelevant(member, false);
            }
            if (metaData.IdMember == null)
            {
                throw new Exception("No ID member could be resolved for entity of type " + metaData.RealType);
            }
        }
Esempio n. 21
0
        public virtual void AfterPropertiesSet(IBeanContextFactory beanContextFactory)
        {
            ParamChecker.AssertNotNull(RevertChangesHelper, "RevertChangesHelper");
            ParamChecker.AssertNotNull(SharedData, "SharedData");
            ParamChecker.AssertNotNull(SharedDataHandOnExtendable, "SharedDataHandOnExtendable");

            //TODO: inject Uri as bean
#if SILVERLIGHT
            Uri uri = HtmlPage.Document.DocumentUri;
#else
            Uri uri = null;
            if (uri == null)
            {
                throw new NotSupportedException("This code has to be compatible with .NET first");
            }
#endif

            ISet <String> allBeanNames = new HashSet <String>();
            if (BeansToConsume != null)
            {
                allBeanNames.UnionWith(BeansToConsume.Keys);
            }

            IDictionary <String, IModelContainer> data = null;
            if (Token != null)
            {
                data = SharedData.Read(Token);
            }
            if (data == null)
            {
                // Clear token to suppress handsOn in afterStarted()
                Token = null;
                data  = new Dictionary <String, IModelContainer>();
            }
            IModelMultiContainer <Uri> uriList = (IModelMultiContainer <Uri>)DictionaryExtension.ValueOrDefault(data, SourceUriBeanName);
            if (uriList != null)
            {
                //Url-list is avaliable
                uriList.Values.Add(uri);
            }
            allBeanNames.UnionWith(data.Keys);

            if (!allBeanNames.Contains(SourceUriBeanName))
            {
                //Url-list is not avaliable
                beanContextFactory.RegisterBean <ModelMultiContainer <Uri> >(SourceUriBeanName).PropertyValue("Value", uri);
            }

            IdentityHashSet <Object> allProvidedBusinessObjects = new IdentityHashSet <Object>();
            foreach (String nameInOwnContext in allBeanNames)
            {
                //Proecess the input
                IModelContainer dataContainer = DictionaryExtension.ValueOrDefault(data, nameInOwnContext);
                if (dataContainer != null)
                {
                    if (dataContainer is IModelMultiContainer)
                    {
                        IEnumerable businessObjects = ((IModelMultiContainer)dataContainer).ValuesData;
                        if (businessObjects != null)
                        {
                            allProvidedBusinessObjects.AddAll(businessObjects.Cast <object>());
                        }
                    }
                    else if (dataContainer is IModelSingleContainer)
                    {
                        Object businessObject = ((IModelSingleContainer)dataContainer).ValueData;
                        if (businessObject != null)
                        {
                            allProvidedBusinessObjects.Add(businessObject);
                        }
                    }
                    //By copying only the data, listeners are unregistered
                    //beanContextFactory.registerBean(name, dataContainer.GetType()).propertyValue("Data", dataContainer.Data);
                    beanContextFactory.RegisterExternalBean(nameInOwnContext, dataContainer);
                    continue;
                }
                if (!BeansToConsume.ContainsKey(nameInOwnContext))
                {
                    continue;
                }
                //Process default-beans
                String aliasToDefaultBean = BeansToConsume[nameInOwnContext];
                if (aliasToDefaultBean == null)
                {
                    //Mandatory parameter was not present in data
                    throw new Exception("The new Screen has not all mandatory information: \"" + nameInOwnContext + "\" is missing.");
                }
                if (!nameInOwnContext.Equals(aliasToDefaultBean))
                {
                    beanContextFactory.RegisterAlias(nameInOwnContext, aliasToDefaultBean);
                }
            }
            if (allProvidedBusinessObjects.Count > 0)
            {
                IRevertChangesSavepoint savepoint = RevertChangesHelper.CreateSavepoint(allProvidedBusinessObjects);
                beanContextFactory.RegisterExternalBean(savepoint).Autowireable <IRevertChangesSavepoint>();
            }
        }
Esempio n. 22
0
        protected virtual void RevertChangesIntern(IRevertChangesSavepoint savepoint, IList <Object> objectsToRevert, bool globally,
                                                   RevertChangesFinishedCallback revertChangesFinishedCallback)
        {
            // Store the RevertChangesFinishedCallback from this thread on the stack and set the property null (for following calls):
            if (objectsToRevert == null || objectsToRevert.Count == 0)
            {
                if (revertChangesFinishedCallback != null)
                {
                    revertChangesFinishedCallback.Invoke(true);
                }
                return;
            }
            if (globally)
            {
                GuiThreadHelper.InvokeOutOfGui(delegate()
                {
                    bool success = false;
                    try
                    {
                        DataChangeEvent dataChange = new DataChangeEvent();
                        dataChange.IsLocalSource   = true;
                        dataChange.Inserts         = new List <IDataChangeEntry>(0);
                        dataChange.Updates         = new List <IDataChangeEntry>();
                        dataChange.Deletes         = new List <IDataChangeEntry>();

                        for (int a = objectsToRevert.Count; a-- > 0;)
                        {
                            Object objectToRevert    = objectsToRevert[a];
                            IEntityMetaData metaData = ((IEntityMetaDataHolder)objectToRevert).Get__EntityMetaData();
                            Object id = metaData.IdMember.GetValue(objectToRevert, false);

                            if (id == null)
                            {
                                dataChange.Deletes.Add(new DirectDataChangeEntry(objectToRevert));
                                continue;
                            }
                            dataChange.Updates.Add(new DataChangeEntry(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null));
                        }

                        EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
                        success = true;
                    }
                    finally
                    {
                        if (revertChangesFinishedCallback != null)
                        {
                            revertChangesFinishedCallback.Invoke(success);
                        }
                    }
                });
            }
            else
            {
                // Commented the following part from Ambeth 0.130 and use the part from Ambeth 0.129 due to a deadlock in the merge process:
                //GuiThreadHelper.InvokeOutOfGui(delegate()
                //{
                //    bool success1 = false;
                //    try
                //    {
                //        IList<IDataChangeEntry> directObjectDeletes = new List<IDataChangeEntry>();
                //        IList<Object> initializedObjects = MergeController.ScanForInitializedObjects(objectsToRevert, true, null);

                //        IList<IObjRef> orisToRevert = new List<IObjRef>();
                //        ISet<Object> persistedObjectsToRevert = new IdentityHashSet<Object>();
                //        for (int a = initializedObjects.Count; a-- > 0; )
                //        {
                //            Object objectToRevert = initializedObjects[a];
                //            IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(objectToRevert.GetType());
                //            Object id = metaData.IdMember.GetValue(objectToRevert, false);

                //            if (id == null)
                //            {
                //                directObjectDeletes.Add(new DirectDataChangeEntry(objectToRevert));
                //                continue;
                //            }
                //            persistedObjectsToRevert.Add(objectToRevert);
                //            orisToRevert.Add(new ObjRef(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null));
                //        }
                //        IList<Object> hardRefsToRootCacheValues = RootCache.GetObjects(orisToRevert, CacheDirective.CacheValueResult | CacheDirective.ReturnMisses);

                //        for (int a = orisToRevert.Count; a-- > 0; )
                //        {
                //            if (hardRefsToRootCacheValues[a] == null)
                //            {
                //                // Object could not be loaded/retrieved any more. So the ori refers to an invalid object
                //                // We can not revert invalid objects and currently ignore them. They will raise exceptions if they will
                //                // be tried to persist in a merge process any time in the future
                //                orisToRevert.RemoveAt(a);
                //            }
                //        }
                //        // We do nothing with the hardRef-list from the RootCache. It is only necessary to keep track of the instance reference on the stack
                //        // To prohibit GC any potential WeakReferences in the meantime....
                //        GuiThreadHelper.InvokeInGuiAndWait(delegate()
                //        {
                //            IProcessResumeItem processResumeItem = WaitEventToResume();
                //            try
                //            {
                //                bool oldCacheModificationValue = CacheModification.IsActive;
                //                CacheModification.IsActive = true;
                //                bool oldFailEarlyModeActive = AbstractCache<Object>.FailEarlyModeActive;
                //                AbstractCache<Object>.FailEarlyModeActive = true;
                //                try
                //                {
                //                    IList<IWritableCache> firstLevelCaches = FirstLevelCacheManager.SelectFirstLevelCaches();
                //                    IList<Object> hardRefsToRootCacheValuesHere = hardRefsToRootCacheValues;

                //                    foreach (IWritableCache firstLevelCache in firstLevelCaches)
                //                    {
                //                        IList<Object> persistedObjectsInThisCache = firstLevelCache.GetObjects(orisToRevert, CacheDirective.FailEarly);

                //                        for (int a = persistedObjectsInThisCache.Count; a-- > 0; )
                //                        {
                //                            Object persistedObjectInThisCache = persistedObjectsInThisCache[a];
                //                            if (!persistedObjectsToRevert.Contains(persistedObjectInThisCache))
                //                            {
                //                                continue;
                //                            }
                //                            RootCache.ApplyValues(persistedObjectInThisCache, (ICacheIntern)firstLevelCache);
                //                        }
                //                    }
                //                    for (int a = objectsToRevert.Count; a-- > 0; )
                //                    {
                //                        Object objectToRevert = objectsToRevert[a];
                //                        if (objectToRevert is IDataObject)
                //                        {
                //                            // Objects which are specified to be reverted loose their delete flag
                //                            ((IDataObject)objectToRevert).ToBeDeleted = false;
                //                        }
                //                    }
                //                }
                //                finally
                //                {
                //                    AbstractCache<Object>.FailEarlyModeActive = oldFailEarlyModeActive;
                //                    CacheModification.IsActive = oldCacheModificationValue;
                //                }
                //            }
                //            finally
                //            {
                //                if (processResumeItem != null)
                //                {
                //                    processResumeItem.ResumeProcessingFinished();
                //                    processResumeItem = null;
                //                }
                //            }
                //        });
                //        if (directObjectDeletes.Count > 0)
                //        {
                //            DataChangeEvent dataChange = DataChangeEvent.Create(0, 0, 0);
                //            dataChange.Deletes = directObjectDeletes;

                //            EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
                //        }
                //        success1 = true;
                //    }
                //    finally
                //    {
                //        if (revertChangesFinishedCallback != null)
                //        {
                //            revertChangesFinishedCallback.Invoke(success1);
                //        }
                //    }
                //});

                // Here comes the part from Ambeth 0.129:
                GuiThreadHelper.InvokeOutOfGui(delegate()
                {
                    bool success1 = false;
                    bool?success2 = null;
                    bool?success3 = null;
                    try
                    {
                        IList <IDataChangeEntry> directObjectDeletes = new List <IDataChangeEntry>();
                        List <IObjRef> objRefs = new List <IObjRef>();
                        List <ValueHolderRef> valueHolderKeys = new List <ValueHolderRef>();
                        IList <Object> initializedObjects     = MergeController.ScanForInitializedObjects(objectsToRevert, true, null, objRefs, valueHolderKeys);

                        IList <IObjRef> orisToRevert           = new List <IObjRef>();
                        ISet <Object> persistedObjectsToRevert = new IdentityHashSet <Object>();
                        for (int a = initializedObjects.Count; a-- > 0;)
                        {
                            Object objectToRevert    = initializedObjects[a];
                            IEntityMetaData metaData = ((IEntityMetaDataHolder)objectToRevert).Get__EntityMetaData();
                            Object id = metaData.IdMember.GetValue(objectToRevert, false);

                            if (id == null)
                            {
                                directObjectDeletes.Add(new DirectDataChangeEntry(objectToRevert));
                                continue;
                            }
                            persistedObjectsToRevert.Add(objectToRevert);
                            orisToRevert.Add(new ObjRef(metaData.EntityType, ObjRef.PRIMARY_KEY_INDEX, id, null));
                        }
                        IList <Object> hardRefsToRootCacheValues = RootCache.GetObjects(orisToRevert, CacheDirective.CacheValueResult | CacheDirective.ReturnMisses);

                        for (int a = orisToRevert.Count; a-- > 0;)
                        {
                            if (hardRefsToRootCacheValues[a] == null)
                            {
                                // Object could not be loaded/retrieved any more. So the ori refers to an invalid object
                                // We can not revert invalid objects and currently ignore them. They will raise exceptions if they will
                                // be tried to persist in a merge process any time in the future
                                orisToRevert.RemoveAt(a);
                            }
                        }
                        // We do nothing with the hardRef-list from the RootCache. It is only necessary to keep track of the instance reference on the stack
                        // To prohibit GC any potential WeakReferences in the meantime....
                        success2 = false;
                        GuiThreadHelper.InvokeInGui(delegate(Object state)
                        {
                            WaitEventToResume(delegate(IProcessResumeItem processResumeItem)
                            {
                                try
                                {
                                    bool oldCacheModificationValue = CacheModification.Active;
                                    CacheModification.Active       = true;
                                    bool oldFailEarlyModeActive    = AbstractCache.FailInCacheHierarchyModeActive;
                                    AbstractCache.FailInCacheHierarchyModeActive = true;
                                    try
                                    {
                                        IList <IWritableCache> firstLevelCaches      = FirstLevelCacheManager.SelectFirstLevelCaches();
                                        IList <Object> hardRefsToRootCacheValuesHere = hardRefsToRootCacheValues;

                                        foreach (IWritableCache firstLevelCache in firstLevelCaches)
                                        {
                                            IList <Object> persistedObjectsInThisCache = firstLevelCache.GetObjects(orisToRevert, CacheDirective.FailEarly);

                                            for (int a = persistedObjectsInThisCache.Count; a-- > 0;)
                                            {
                                                Object persistedObjectInThisCache = persistedObjectsInThisCache[a];
                                                if (!persistedObjectsToRevert.Contains(persistedObjectInThisCache))
                                                {
                                                    continue;
                                                }
                                                RootCache.ApplyValues(persistedObjectInThisCache, (ICacheIntern)firstLevelCache, null);
                                            }
                                        }
                                        for (int a = objectsToRevert.Count; a-- > 0;)
                                        {
                                            Object objectToRevert = objectsToRevert[a];
                                            if (objectToRevert is IDataObject)
                                            {
                                                // Objects which are specified to be reverted loose their flags
                                                ((IDataObject)objectToRevert).ToBeDeleted = false;
                                            }
                                        }
                                        if (directObjectDeletes.Count == 0)
                                        {
                                            success2 = true;
                                            return;
                                        }
                                    }
                                    finally
                                    {
                                        AbstractCache.FailInCacheHierarchyModeActive = oldFailEarlyModeActive;
                                        CacheModification.Active = oldCacheModificationValue;
                                    }
                                }
                                finally
                                {
                                    if (processResumeItem != null)
                                    {
                                        processResumeItem.ResumeProcessingFinished();
                                    }
                                }
                                success3 = false;
                                GuiThreadHelper.InvokeOutOfGui(delegate()
                                {
                                    try
                                    {
                                        DataChangeEvent dataChange = DataChangeEvent.Create(0, 0, 0);
                                        dataChange.Deletes         = directObjectDeletes;

                                        EventDispatcher.DispatchEvent(dataChange, DateTime.Now, -1);
                                        success3 = true;
                                    }
                                    finally
                                    {
                                        if (revertChangesFinishedCallback != null)
                                        {
                                            revertChangesFinishedCallback.Invoke(success3.Value);
                                        }
                                    }
                                });
                                success2 = true;
                            }, delegate(Exception e)
                            {
                                if (revertChangesFinishedCallback != null && success3 == null)
                                {
                                    revertChangesFinishedCallback.Invoke(success2.Value);
                                }
                            });
                        }, null);
                        success1 = true;
                    }
                    finally
                    {
                        if (revertChangesFinishedCallback != null && success2 == null && success3 == null)
                        {
                            revertChangesFinishedCallback.Invoke(success1);
                        }
                    }
                });
            }
        }