示例#1
0
        public IdentityLinkedSet <Member> GetPrioMembers(ILinkedMap <Type, PrefetchPath[]> entityTypeToPrefetchPath,
                                                         List <PrefetchCommand> pendingPrefetchCommands, MergePrefetchPathsCache mergePrefetchPathsCache)
        {
            IdentityLinkedSet <Member> key1 = new IdentityLinkedSet <Member>();
            PrioMembersKey             key  = new PrioMembersKey(entityTypeToPrefetchPath, key1);

            for (int a = 0, size = pendingPrefetchCommands.Count; a < size; a++)
            {
                PrefetchCommand prefetchCommand = pendingPrefetchCommands[a];
                key1.Add(prefetchCommand.valueHolder.Member);
            }
            IdentityLinkedSet <Member> prioMembersMap = activeMembersToPrioMembersMap.Get(key);

            if (prioMembersMap != null)
            {
                return(prioMembersMap);
            }
            prioMembersMap = new IdentityLinkedSet <Member>(0.5f);
            Tuple2KeyHashMap <Type, PrefetchPath[], bool?> alreadyVisited = null;
            IdentityHashSet <Type> touchedTypesInPriority = null;

            if (mergePrefetchPathsCache == null)
            {
                mergePrefetchPathsCache = new MergePrefetchPathsCache(entityMetaDataProvider);
            }
            bool prio2Mode = true;

            foreach (PrefetchCommand prefetchCommand in pendingPrefetchCommands)
            {
                DirectValueHolderRef valueHolder   = prefetchCommand.valueHolder;
                PrefetchPath[]       prefetchPaths = prefetchCommand.prefetchPaths;
                RelationMember       member        = valueHolder.Member;

                Type targetEntityType = member.ElementType;
                // Merge the root prefetch path with the relative prefetch path
                prefetchPaths = mergePrefetchPathsCache.MergePrefetchPaths(targetEntityType, prefetchPaths, entityTypeToPrefetchPath);

                IEntityMetaData metaData = valueHolder.Vhc.Get__EntityMetaData();

                if (targetEntityType.Equals(metaData.EntityType))
                {
                    // prio1 overrides prio2
                    if (prio2Mode)
                    {
                        prio2Mode      = false;
                        alreadyVisited = null;
                        prioMembersMap.Clear();
                        if (touchedTypesInPriority != null)
                        {
                            touchedTypesInPriority.Clear();
                        }
                    }
                    prioMembersMap.Add(member);
                    if (touchedTypesInPriority == null)
                    {
                        touchedTypesInPriority = new IdentityHashSet <Type>();
                    }
                    touchedTypesInPriority.Add(member.EntityType);
                    touchedTypesInPriority.Add(targetEntityType);
                    continue;
                }
                if (prefetchPaths == null || !prio2Mode)
                {
                    continue;
                }
                if (alreadyVisited == null)
                {
                    alreadyVisited = new Tuple2KeyHashMap <Type, PrefetchPath[], bool?>();
                }
                if (IsPrio2Member(metaData, entityMetaDataProvider.GetMetaData(targetEntityType), prefetchPaths, entityTypeToPrefetchPath, alreadyVisited,
                                  mergePrefetchPathsCache))
                {
                    prioMembersMap.Add(member);
                    if (touchedTypesInPriority == null)
                    {
                        touchedTypesInPriority = new IdentityHashSet <Type>();
                    }
                    touchedTypesInPriority.Add(member.EntityType);
                    touchedTypesInPriority.Add(targetEntityType);
                }
            }
            if (prioMembersMap.Count > 0)
            {
                // check for out-of-order members which have nothing to do (and will never ever have in a transitive manner) with the priorized members
                foreach (PrefetchCommand prefetchCommand in pendingPrefetchCommands)
                {
                    DirectValueHolderRef valueHolder = prefetchCommand.valueHolder;
                    RelationMember       member      = valueHolder.Member;

                    if (prioMembersMap.Contains(member))
                    {
                        // already priorized
                        continue;
                    }
                    if (touchedTypesInPriority.Contains(member.EntityType) || touchedTypesInPriority.Contains(member.ElementType))
                    {
                        continue;
                    }
                    prioMembersMap.Add(member);
                }
            }
            Object writeLock = activeMembersToPrioMembersMap.GetWriteLock();

            lock (writeLock)
            {
                IdentityLinkedSet <Member> existingPrioMembersMap = activeMembersToPrioMembersMap.Get(key);
                if (existingPrioMembersMap != null)
                {
                    return(existingPrioMembersMap);
                }
                activeMembersToPrioMembersMap.Put(key, prioMembersMap);
                return(prioMembersMap);
            }
        }
示例#2
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);
            }
        }
示例#3
0
        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;
            }
        }