Exemplo n.º 1
0
        protected void HandleObjects(Object objects, ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
                                     AlreadyHandledSet alreadyHandledSet, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisLoadedHistory,
                                     IdentityLinkedMap <ICacheIntern, IISet <IObjRelation> > cacheToOrelsLoadedHistory, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisToLoad,
                                     IdentityLinkedMap <ICacheIntern, IMap <IObjRelation, Boolean> > cacheToOrelsToLoad, List <PrefetchCommand> loadItems)
        {
            if (objects is IEnumerable && !objects.GetType().Equals(typeof(String)))
            {
                foreach (Object item in (IEnumerable)objects)
                {
                    if (item == null)
                    {
                        continue;
                    }
                    HandleObjects(item, entityTypeToPrefetchPath, alreadyHandledSet, cacheToOrisLoadedHistory, cacheToOrelsLoadedHistory,
                                  cacheToOrisToLoad, cacheToOrelsToLoad, loadItems);
                }
                return;
            }
            PrefetchPath[] cachePaths = null;
            if (entityTypeToPrefetchPath != null)
            {
                IEntityMetaData metaData = EntityMetaDataProvider.GetMetaData(objects.GetType());

                cachePaths = entityTypeToPrefetchPath.Get(metaData.EntityType);

                if (cachePaths == null || cachePaths.Length == 0)
                {
                    return;
                }
            }
            EnsureInitializedRelationsIntern3(objects, cachePaths, entityTypeToPrefetchPath, cacheToOrisToLoad, cacheToOrelsToLoad, cacheToOrisLoadedHistory,
                                              cacheToOrelsLoadedHistory, alreadyHandledSet, loadItems);
        }
Exemplo n.º 2
0
        protected IPrefetchState EnsureInitializedRelationsIntern2(Object objects, ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath)
        {
            bool setCreated = false;

            try
            {
                AlreadyHandledSet alreadyHandledSet = alreadyHandledSetTL.Value;
                if (alreadyHandledSet == null)
                {
                    alreadyHandledSet         = new AlreadyHandledSet();
                    alreadyHandledSetTL.Value = alreadyHandledSet;
                    setCreated = true;
                }
                IEntityMetaDataProvider   entityMetaDataProvider    = this.EntityMetaDataProvider;
                ValueHolderContainerMixin valueHolderContainerMixin = this.ValueHolderContainerMixin;
                IdentityLinkedMap <ICacheIntern, IISet <IObjRef> >           cacheToOrisLoadedHistory  = new IdentityLinkedMap <ICacheIntern, IISet <IObjRef> >();
                IdentityLinkedMap <ICacheIntern, IISet <IObjRelation> >      cacheToOrelsLoadedHistory = new IdentityLinkedMap <ICacheIntern, IISet <IObjRelation> >();
                IdentityLinkedMap <ICacheIntern, IISet <IObjRef> >           cacheToOrisToLoad         = new IdentityLinkedMap <ICacheIntern, IISet <IObjRef> >();
                IdentityLinkedMap <ICacheIntern, IMap <IObjRelation, bool> > cacheToOrelsToLoad        = new IdentityLinkedMap <ICacheIntern, IMap <IObjRelation, bool> >();
                List <PrefetchCommand> loadItems = new List <PrefetchCommand>();

                HandleObjects(objects, entityTypeToPrefetchPath, alreadyHandledSet, cacheToOrisLoadedHistory, cacheToOrelsLoadedHistory, cacheToOrisToLoad,
                              cacheToOrelsToLoad, loadItems);
                // Remove all oris which have already been tried to load before
                if (cacheToOrisToLoad.Count == 0 && cacheToOrelsToLoad.Count == 0)
                {
                    // No ori remaining which makes sense to try to load
                    if (setCreated)
                    {
                        return(new PrefetchState(alreadyHandledSet));
                    }
                    return(null);
                }

                List <Object> hardRefList = new List <Object>();
                // Store hard-ref-list to global hard ref
                alreadyHandledSet.Put(hardRefList, null, true);

                ProcessPendingOrelsAndObjRefs(entityTypeToPrefetchPath, alreadyHandledSet, cacheToOrisLoadedHistory, cacheToOrelsLoadedHistory, cacheToOrisToLoad,
                                              cacheToOrelsToLoad, loadItems, hardRefList);
                // No ori remaining which makes sense to try to load
                if (setCreated)
                {
                    return(new PrefetchState(alreadyHandledSet));
                }
                return(null);
            }
            finally
            {
                if (setCreated)
                {
                    alreadyHandledSetTL.Value = null;
                }
            }
        }
Exemplo n.º 3
0
        protected IList <Object> EvaluatePausedEventTargets()
        {
            IdentityLinkedMap <Object, PausedEventTargetItem> pausedTargets = this.pausedTargets;
            List <Object> pausedEventTargets = new List <Object>(pausedTargets.Count);

            foreach (Entry <Object, PausedEventTargetItem> entry in pausedTargets)
            {
                PausedEventTargetItem pauseETI = entry.Value;
                pausedEventTargets.Add(pauseETI.EventTarget);
            }
            return(pausedEventTargets);
        }
Exemplo n.º 4
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        protected IList <Object> EvaluatePausedEventTargetsOfForeignThreads()
        {
            Thread currentThread = Thread.CurrentThread;
            IdentityLinkedMap <Object, PausedEventTargetItem> pausedTargets = this.pausedTargets;
            List <Object> pausedEventTargets = new List <Object>(pausedTargets.Count);

            foreach (Entry <Object, PausedEventTargetItem> entry in pausedTargets)
            {
                PausedEventTargetItem pauseETI = entry.Value;
                if (!Object.ReferenceEquals(pauseETI.Thread, currentThread))
                {
                    pausedEventTargets.Add(pauseETI.EventTarget);
                }
            }
            return(pausedEventTargets);
        }
Exemplo n.º 5
0
        public ICUDResult CreateCUDResult(MergeHandle mergeHandle)
        {
            ILinkedMap <Type, ICUDResultExtension> typeToCudResultExtension = extensions.GetExtensions();

            foreach (Entry <Type, ICUDResultExtension> entry in typeToCudResultExtension)
            {
                entry.Value.Extend(mergeHandle);
            }

            IdentityLinkedMap <Object, IList <IUpdateItem> > objToModDict = mergeHandle.objToModDict;
            IdentityHashSet <Object> objToDeleteSet = mergeHandle.objToDeleteSet;

            HashMap <Type, IPrimitiveUpdateItem[]> entityTypeToFullPuis = new HashMap <Type, IPrimitiveUpdateItem[]>();
            HashMap <Type, IRelationUpdateItem[]>  entityTypeToFullRuis = new HashMap <Type, IRelationUpdateItem[]>();

            List <IChangeContainer> allChanges   = new List <IChangeContainer>(objToModDict.Count);
            List <Object>           originalRefs = new List <Object>(objToModDict.Count);

            foreach (Object objToDelete in objToDeleteSet)
            {
                IObjRef         ori             = OriHelper.GetCreateObjRef(objToDelete, mergeHandle);
                DeleteContainer deleteContainer = new DeleteContainer();
                deleteContainer.Reference = ori;
                allChanges.Add(deleteContainer);
                originalRefs.Add(objToDelete);
            }
            IEntityMetaDataProvider entityMetaDataProvider = this.EntityMetaDataProvider;

            foreach (Entry <Object, IList <IUpdateItem> > entry in objToModDict)
            {
                Object obj = entry.Key;
                IList <IUpdateItem> modItems = entry.Value;

                IEntityMetaData metaData = entityMetaDataProvider.GetMetaData(obj.GetType());

                IPrimitiveUpdateItem[] fullPuis = GetEnsureFullPUIs(metaData, entityTypeToFullPuis);
                IRelationUpdateItem[]  fullRuis = GetEnsureFullRUIs(metaData, entityTypeToFullRuis);

                int puiCount = 0, ruiCount = 0;
                for (int a = modItems.Count; a-- > 0;)
                {
                    IUpdateItem modItem = modItems[a];

                    Member member = metaData.GetMemberByName(modItem.MemberName);

                    if (modItem is IRelationUpdateItem)
                    {
                        fullRuis[metaData.GetIndexByRelation(member)] = (IRelationUpdateItem)modItem;
                        ruiCount++;
                    }
                    else
                    {
                        fullPuis[metaData.GetIndexByPrimitive(member)] = (IPrimitiveUpdateItem)modItem;
                        puiCount++;
                    }
                }

                IRelationUpdateItem[]  ruis = CompactRUIs(fullRuis, ruiCount);
                IPrimitiveUpdateItem[] puis = CompactPUIs(fullPuis, puiCount);
                IObjRef ori = OriHelper.GetCreateObjRef(obj, mergeHandle);
                originalRefs.Add(obj);

                if (ori is IDirectObjRef)
                {
                    CreateContainer createContainer = new CreateContainer();

                    ((IDirectObjRef)ori).CreateContainerIndex = allChanges.Count;

                    createContainer.Reference  = ori;
                    createContainer.Primitives = puis;
                    createContainer.Relations  = ruis;

                    allChanges.Add(createContainer);
                }
                else
                {
                    UpdateContainer updateContainer = new UpdateContainer();
                    updateContainer.Reference  = ori;
                    updateContainer.Primitives = puis;
                    updateContainer.Relations  = ruis;
                    allChanges.Add(updateContainer);
                }
            }
            return(new CUDResult(allChanges, originalRefs));
        }
Exemplo n.º 6
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);
            }
        }
Exemplo n.º 7
0
        protected void ProcessPendingOrelsAndObjRefs(ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
                                                     AlreadyHandledSet alreadyHandledSet, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisLoadedHistory,
                                                     IdentityLinkedMap <ICacheIntern, IISet <IObjRelation> > cacheToOrelsLoadedHistory, IdentityLinkedMap <ICacheIntern, IISet <IObjRef> > cacheToOrisToLoad,
                                                     IdentityLinkedMap <ICacheIntern, IMap <IObjRelation, bool> > cacheToOrelsToLoad, List <PrefetchCommand> pendingPrefetchCommands,
                                                     List <Object> hardRefList)
        {
            // all relation members where at least one instance of the owning entity type needs a prefetch on this member in the immediate next step
            MergePrefetchPathsCache mergePrefetchPathsCache = new MergePrefetchPathsCache(EntityMetaDataProvider);

            IdentityLinkedSet <Member> prioMembers = PrioMembersProvider.GetPrioMembers(entityTypeToPrefetchPath, pendingPrefetchCommands, mergePrefetchPathsCache);

            LoadAndAddOrels(cacheToOrelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
            LoadAndAddOris(cacheToOrisToLoad, hardRefList, cacheToOrisLoadedHistory);

            while (pendingPrefetchCommands.Count > 0)
            {
                PrefetchCommand[] currentPrefetchCommands = pendingPrefetchCommands.ToArray();
                // Clear the items to be ready for cascaded items in new batch recursion step
                pendingPrefetchCommands.Clear();
                if (prioMembers.Count > 0)
                {
                    for (int a = 0, size = currentPrefetchCommands.Length; a < size; a++)
                    {
                        PrefetchCommand      prefetchCommand = currentPrefetchCommands[a];
                        DirectValueHolderRef valueHolder     = prefetchCommand.valueHolder;
                        if (!prioMembers.Contains(valueHolder.Member))
                        {
                            currentPrefetchCommands[a] = null;
                            pendingPrefetchCommands.Add(prefetchCommand);
                        }
                    }
                }
                GuiThreadHelper.InvokeInGuiAndWait(delegate()
                {
                    ICacheModification cacheModification = CacheModification;
                    ValueHolderContainerMixin valueHolderContainerMixin = ValueHolderContainerMixin;
                    bool oldActive = cacheModification.Active;
                    if (!oldActive)
                    {
                        cacheModification.Active = true;
                    }
                    try
                    {
                        foreach (PrefetchCommand prefetchCommand in currentPrefetchCommands)
                        {
                            if (prefetchCommand == null)
                            {
                                continue;
                            }
                            DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
                            PrefetchPath[] cachePaths        = prefetchCommand.prefetchPaths;

                            RelationMember member = valueHolder.Member;
                            // Merge the root prefetch path with the relative prefetch path
                            cachePaths = mergePrefetchPathsCache.MergePrefetchPaths(member.ElementType, cachePaths, entityTypeToPrefetchPath);

                            IObjRefContainer vhc = valueHolder.Vhc;
                            ICacheIntern targetCache;
                            bool doSetValue = false;
                            if (valueHolder is IndirectValueHolderRef)
                            {
                                IndirectValueHolderRef valueHolderKey = (IndirectValueHolderRef)valueHolder;
                                targetCache = valueHolderKey.RootCache;
                            }
                            else
                            {
                                targetCache = ((IValueHolderContainer)vhc).__TargetCache;
                                doSetValue  = true;
                            }
                            int relationIndex = vhc.Get__EntityMetaData().GetIndexByRelation(member);
                            IObjRef[] objRefs = vhc.Get__ObjRefs(relationIndex);
                            Object obj        = valueHolderContainerMixin.GetValue(vhc, relationIndex, member, targetCache, objRefs, CacheDirective.FailEarly);
                            if (doSetValue && obj != null)
                            {
                                member.SetValue(vhc, obj);
                            }
                            EnsureInitializedRelationsIntern3(obj, cachePaths, entityTypeToPrefetchPath, cacheToOrisToLoad, cacheToOrelsToLoad, cacheToOrisLoadedHistory,
                                                              cacheToOrelsLoadedHistory, alreadyHandledSet, pendingPrefetchCommands);
                        }
                    }
                    finally
                    {
                        if (!oldActive)
                        {
                            cacheModification.Active = false;
                        }
                    }
                });
                // Remove all oris which have already been tried to load before
                if (cacheToOrisToLoad.Count == 0 && cacheToOrelsToLoad.Count == 0 && pendingPrefetchCommands.Count == 0)
                {
                    return;
                }
                prioMembers = PrioMembersProvider.GetPrioMembers(entityTypeToPrefetchPath, pendingPrefetchCommands, mergePrefetchPathsCache);
                LoadAndAddOrels(cacheToOrelsToLoad, hardRefList, cacheToOrelsLoadedHistory, cacheToOrisToLoad, prioMembers);
                LoadAndAddOris(cacheToOrisToLoad, hardRefList, cacheToOrisLoadedHistory);
            }
        }
Exemplo n.º 8
0
        public void Resume(Object eventTarget)
        {
            if (GuiThreadHelper.IsInGuiThread())
            {
                // Nothing to do
                return;
            }
            IEventTargetExtractor eventTargetExtractor = typeToEventTargetExtractorsDict.GetExtension(eventTarget.GetType());

            if (eventTargetExtractor == null)
            {
                return;
            }
            eventTarget = eventTargetExtractor.ExtractEventTarget(eventTarget);
            if (eventTarget == null)
            {
                return;
            }
            IdentityLinkedSet <WaitForResumeItem> freeLatchMap = null;

            try
            {
                PausedEventTargetItem pauseETI;
                listenersWriteLock.Lock();
                try
                {
                    IdentityLinkedMap <Object, PausedEventTargetItem> pausedTargets = this.pausedTargets;
                    pauseETI = pausedTargets.Get(eventTarget);
                    if (pauseETI == null)
                    {
                        throw new System.Exception("No pause() active for target " + eventTarget);
                    }
                    pauseETI.PauseCount--;
                    if (pauseETI.PauseCount > 0)
                    {
                        return;
                    }
                    pausedTargets.Remove(eventTarget);

                    IList <Object>               remainingPausedEventTargets    = EvaluatePausedEventTargets();
                    IdentityHashSet <Object>     remainingPausedEventTargetsSet = new IdentityHashSet <Object>();
                    Iterator <WaitForResumeItem> iter = waitForResumeSet.Iterator();
                    while (iter.MoveNext())
                    {
                        WaitForResumeItem pauseItem = iter.Current;
                        remainingPausedEventTargetsSet.AddAll(remainingPausedEventTargets);
                        remainingPausedEventTargetsSet.RetainAll(pauseItem.PendingPauses);

                        if (remainingPausedEventTargetsSet.Count == 0)
                        {
                            iter.Remove();
                            if (freeLatchMap == null)
                            {
                                freeLatchMap = new IdentityLinkedSet <WaitForResumeItem>();
                            }
                            freeLatchMap.Add(pauseItem);
                        }
                        remainingPausedEventTargetsSet.Clear();
                    }
                }
                finally
                {
                    listenersWriteLock.Unlock();
                }
            }
            finally
            {
                if (freeLatchMap != null)
                {
                    foreach (WaitForResumeItem wfrItem in freeLatchMap)
                    {
                        wfrItem.Latch.CountDown();
                    }
                    foreach (WaitForResumeItem wfrItem in freeLatchMap)
                    {
                        try
                        {
                            wfrItem.ResultLatch.Await();
                        }
                        catch (System.Exception e)
                        {
                            throw new System.Exception("Fatal state occured. This may result in a global deadlock", e);
                        }
                    }
                }
            }
        }