/**
* 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);
}
}
public void deserializationPostHook(MetadataNS.Metadata deserializedMetadata, MetadataFieldDescriptor mfd)
{
currentMMstack.Pop();
}
