public void DeserializationPreHook(Object e, FieldDescriptor fd)
        {
            var deserializedMetadata = e as Metadata;

            if (deserializedMetadata == null)
            {
                return;
            }

            if (_currentMMStack.Count == 0)
            {
                MetaMetadataCompositeField deserializationMM = deserializedMetadata.MetaMetadata;
//					MetaMetadataCompositeField metaMetadata				= semanticsSessionScope.getMetaMetadataRepository().getByClass(InformationComposition.class);
//					if (metaMetadata != null && metaMetadata.bindMetaMetadataToMetadata(deserializationMM))
//					{
//						metaMetadata = (MetaMetadata) deserializationMM;
//					}
//					else
//					{
//						deserializedMetadata.setMetaMetadata(metaMetadata);
//					}
                _currentMMStack.Push(deserializationMM);
            }
            else if (fd is MetadataFieldDescriptor)
            {
                MetadataFieldDescriptor mfd = (MetadataFieldDescriptor)fd;
                String mmName = mfd.MmName;
                MetaMetadataNestedField    currentMM        = _currentMMStack.Peek();
                MetaMetadataNestedField    childMMNested    = (MetaMetadataNestedField)currentMM.LookupChild(mmName);
                MetaMetadataCompositeField childMMComposite = null;
                if (childMMNested.IsPolymorphicInherently)
                {
                    String tagName = deserializedMetadata.MetadataClassDescriptor.TagName;
                    childMMComposite = _semanticsSessionScope.MetaMetadataRepository.GetMMByName(tagName);
                }
                else
                {
                    childMMComposite = childMMNested.GetMetaMetadataCompositeField();
                }
                deserializedMetadata.MetaMetadata = childMMComposite;
                _currentMMStack.Push(childMMComposite);
            }

            if (e is Document)
            {
                ((Document)e).SemanticsSessionScope = _semanticsSessionScope;
            }
        }
Exemplo n.º 2
0
        /**
         * For the root, compare the meta-metadata from the binding with the one we started with. Down the
         * hierarchy, try to perform similar bindings.
         */
        public void DeserializationPreHook(MetadataNS.Metadata deserializedMetadata, MetadataFieldDescriptor mfd)
        {
            if (deserializingRoot)
            {
                deserializingRoot = false;
                Document document = GetDocument();
                MetaMetadataCompositeField preMM = document.MetaMetadata;
                MetadataClassDescriptor    mcd   = (MetadataClassDescriptor)ClassDescriptor.GetClassDescriptor(deserializedMetadata);;
                MetaMetadataCompositeField metaMetadata;
                String tagName = mcd.TagName;
                if (preMM.GetTagForTranslationScope().Equals(tagName))
                {
                    metaMetadata = preMM;
                }
                else
                {               // just match in translation scope
                    //TODO use local TranslationScope if there is one
                    metaMetadata = SemanticsSessionScope.MetaMetadataRepository.GetMMByName(tagName);
                }
                deserializedMetadata.MetaMetadata = metaMetadata;

                currentMMstack.Push(metaMetadata);
            }
            else
            {
                String mmName = mfd.MmName;
                MetaMetadataNestedField currentMM     = currentMMstack.Peek();
                MetaMetadataNestedField childMMNested = (MetaMetadataNestedField)currentMM.LookupChild(mmName);              // this fails for collections :-(
                if (childMMNested == null)
                {
                    throw new Exception("Can't find composite child meta-metadata for " + mmName + " amidst " + mfd +
                                        "\n\tThis probably means there is a conflict between the meta-metadata repository and the runtime." +
                                        "\n\tProgrammer: Have you Changed the fields in built-in Metadata subclasses without updating primitives.xml???!");
                }
                MetaMetadataCompositeField childMMComposite = null;
                if (childMMNested.IsPolymorphicInherently)
                {
                    String tagName = ClassDescriptor.GetClassDescriptor(deserializedMetadata).TagName;
                    childMMComposite = SemanticsSessionScope.MetaMetadataRepository.GetMMByName(tagName);
                }
                else
                {
                    childMMComposite = childMMNested.GetMetaMetadataCompositeField();
                }
                deserializedMetadata.MetaMetadata = childMMComposite;
                currentMMstack.Push(childMMComposite);
            }
        }