protected override void CustomizeFieldDescriptor(SimplTypesScope metadataTScope, MetadataFieldDescriptorProxy fdProxy)
{
base.CustomizeFieldDescriptor(metadataTScope, fdProxy);
MetaMetadata thisMmd = TypeMmd;
if (thisMmd == null)
{
return;
}
MetaMetadataNestedField inheritedField = (MetaMetadataNestedField)SuperField;
if (inheritedField != null)
{
MetaMetadata superMmd = inheritedField.TypeMmd;
if (thisMmd == superMmd || thisMmd.IsDerivedFrom(superMmd))
{
MetadataClassDescriptor elementMetadataCD = thisMmd.GetMetadataClassDescriptor(metadataTScope);
if (elementMetadataCD != null)
{
fdProxy.SetElementClassDescriptor(elementMetadataCD);
}
else
{
Debug.WriteLineIf(BigSemanticsSettings.DebugLevel > 5, "can't bind FieldDescriptor because metadata class does not exist for: " + thisMmd.ToString());
}
}
else
{
throw new MetaMetadataException("incompatible types: " + inheritedField + " => " + this);
}
}
}
private void InheritFieldFinished(MetaMetadataNestedField sender, EventArgs e)
{
MetaMetadataCompositeField inheritedField = (MetaMetadataCompositeField)_waitingToInheritFrom.Pop();
//InheritFromCompositeField(inheritedField, Repository);
if (_waitingToInheritFrom.Count == 0)
{
FinishInheritance();
}
}
private void InheritMetaMetadataFinished(MetaMetadataNestedField sender, EventArgs e)
{
MetaMetadata inheritedMmd = (MetaMetadata)_waitingToInheritFrom.Pop();
InheritanceHandler inheritanceHandler = _waitingToInheritFromInheritanceHandler.Pop();
InheritFromTopLevelMetaMetadata(inheritedMmd, Repository, inheritanceHandler);
InheritFromSuperField(Repository, inheritanceHandler);
if (_waitingToInheritFrom.Count == 0)
{
FinishInheritance();
}
}
public void AddInheritanceFinishHandler(MetaMetadataNestedField inheritingField, InheritFinishedEventHandler eventHandler, InheritanceHandler inheritanceHandler)
{
if (_waitingToInheritFrom == null)
{
_waitingToInheritFrom = new Stack <MetaMetadataNestedField>();
}
_waitingToInheritFrom.Push(inheritingField);
//adding the InheritanceHandler for this inheritingField
if (_waitingToInheritFromInheritanceHandler == null)
{
_waitingToInheritFromInheritanceHandler = new Stack <InheritanceHandler>();
}
_waitingToInheritFromInheritanceHandler.Push(inheritanceHandler);
inheritingField.InheritFinished += eventHandler;
}
private void InheritMetaMetadataFinished(MetaMetadataNestedField sender, EventArgs e)
{
MetaMetadata inheritedMmd = (MetaMetadata) _waitingToInheritFrom.Pop();
InheritanceHandler inheritanceHandler = _waitingToInheritFromInheritanceHandler.Pop();
InheritFromTopLevelMetaMetadata(inheritedMmd, Repository, inheritanceHandler);
InheritFromSuperField(Repository, inheritanceHandler);
if (_waitingToInheritFrom.Count == 0)
FinishInheritance();
}
private void InheritFieldFinished(MetaMetadataNestedField sender, EventArgs e)
{
MetaMetadataCompositeField inheritedField = (MetaMetadataCompositeField) _waitingToInheritFrom.Pop();
//InheritFromCompositeField(inheritedField, Repository);
if (_waitingToInheritFrom.Count == 0)
FinishInheritance();
}
public void AddInheritanceFinishHandler(MetaMetadataNestedField inheritingField, InheritFinishedEventHandler eventHandler, InheritanceHandler inheritanceHandler)
{
if (_waitingToInheritFrom == null)
_waitingToInheritFrom = new Stack<MetaMetadataNestedField>();
_waitingToInheritFrom.Push(inheritingField);
//adding the InheritanceHandler for this inheritingField
if (_waitingToInheritFromInheritanceHandler == null)
_waitingToInheritFromInheritanceHandler = new Stack<InheritanceHandler>();
_waitingToInheritFromInheritanceHandler.Push(inheritanceHandler);
inheritingField.InheritFinished += eventHandler;
}
protected virtual void InheritFrom(MetaMetadataRepository repository,
MetaMetadataCompositeField inheritedStructure,
InheritanceHandler inheritanceHandler)
{
// init nested fields inside this
var subfields = Kids.Values;
foreach (MetaMetadataField f in subfields)
{
if (f is MetaMetadataNestedField)
{
f.Repository = (repository);
MetaMetadataNestedField nested = (MetaMetadataNestedField)f;
if (nested.PackageName == null)
{
nested.PackageName = PackageName;
}
nested.Scope = Scope;
}
}
// inherit fields with attributes from inheritedStructure
// if inheritedStructure == null, this must be the root meta-metadata
if (inheritedStructure != null)
{
var inheritedStructSubfields = inheritedStructure.Kids.Values;
foreach (MetaMetadataField field in inheritedStructSubfields)
{
if (field is MetaMetadataNestedField)
{
((MetaMetadataNestedField)field).InheritMetaMetadata(inheritanceHandler);
}
string fieldName = field.Name;
MetaMetadataField fieldLocal;
kids.TryGetValue(fieldName, out fieldLocal);
if (fieldLocal == null && inheritanceHandler.IsUsingGenerics(field))
{
// if the super field is using generics, we will need to re-evaluate generic type vars
fieldLocal = (MetaMetadataField)Activator.CreateInstance(field.GetType());
//Prepare Child Field For Inheritance
fieldLocal.Repository = (repository);
if (fieldLocal is MetaMetadataNestedField)
{
MetaMetadataNestedField nested = (MetaMetadataNestedField)fieldLocal;
if (nested.PackageName == null)
{
nested.PackageName = PackageName;
}
nested.Scope = Scope;
}
}
if (fieldLocal != null)
{
Debug.WriteLine("inheriting field: " + fieldLocal + " <= " + field);
if (field.GetType() != fieldLocal.GetType())
{
Debug.WriteLine("local field " + fieldLocal + " hides field " + fieldLocal +
" with the same name in super mmd type!");
}
// debug("inheriting field " + fieldLocal + " from " + field);
if (field != fieldLocal)
{
fieldLocal.SuperField = field;
}
fieldLocal.DeclaringMmd = field.DeclaringMmd;
fieldLocal.InheritAttributes(field);
if (fieldLocal is MetaMetadataNestedField)
{
((MetaMetadataNestedField)fieldLocal).PackageName =
((MetaMetadataNestedField)field).PackageName;
}
}
}
}
// recursively call inheritMetaMetadata() on nested fields
foreach (MetaMetadataField f in subfields)
{
// a new field is defined inside this mmd
if (f.DeclaringMmd == this && f.SuperField == null)
{
SetNewMetadataClass(true);
}
// recursively call this method on nested fields
f.Repository = repository;
if (f is MetaMetadataNestedField)
{
MetaMetadataNestedField f1 = (MetaMetadataNestedField)f;
f1.InheritMetaMetadata(inheritanceHandler);
if (f1.IsNewMetadataClass())
{
SetNewMetadataClass(true);
}
MetaMetadataNestedField f0 = (MetaMetadataNestedField)f.SuperField;
if (f0 != null && f0.GetTypeName() != f1.GetTypeName())
{
// inherited field w changing base type (polymorphic case)
f1.InheritMetaMetadata(inheritanceHandler);
MetaMetadata mmd0 = f0.TypeMmd;
MetaMetadata mmd1 = f1.TypeMmd;
if (mmd1.IsDerivedFrom(mmd0))
{
SetNewMetadataClass(true);
}
else
{
throw new MetaMetadataException("incompatible types: " + mmd0 + " => " + mmd1);
}
}
}
}
// clone fields only declared in inheritedStructure.
// must clone them after recursively calling inheritMetaMetadata(), so that their nested
// structures (which may be inherited too) can be cloned.
if (inheritedStructure != null)
{
var inheritedStructSubfields = inheritedStructure.Kids.Values;
foreach (MetaMetadataField field in inheritedStructSubfields)
{
string fieldName = field.Name;
MetaMetadataField fieldLocal;
kids.TryGetValue(fieldName, out fieldLocal);
if (fieldLocal == null)
{
// MetaMetadataField clonedField = (MetaMetadataField) field.clone();
// clonedField.setParent(this);
// this.getChildMetaMetadata().put(fieldName, clonedField);
kids.Put(fieldName, field);
}
}
}
}
public MetaMetadata ResolveMmdName(String mmdName, NameType[] nameType)
{
if (mmdName == null)
{
return(null);
}
Object resultObj = null;
MetaMetadata result = null;
MetaMetadataField field = mmStack.Peek();
if (nameType != null && nameType.Length > 0)
{
nameType[0] = NameType.NONE;
}
// step 1: try to resolve the name as a concrete meta-metadata name, using the mmdScope.
if (field is MetaMetadataNestedField)
{
MetaMetadataNestedField nested = (MetaMetadataNestedField)field;
nested.Scope.TryGetValue(mmdName, out resultObj);
result = (MetaMetadata)resultObj;
if (result != null)
{
if (nameType != null && nameType.Length > 0)
{
nameType[0] = NameType.MMD;
}
}
}
// step 2: if step 1 failed, try to use it as a generic type var name
if (result == null && mmdName.ToUpper().Equals(mmdName))
{
List <Object> gtvScopes = scopeStack.Peek().GetAll(GENERIC_TYPE_VAR_SCOPE);
foreach (MmdGenericTypeVarScope gtvScope_object in gtvScopes)
{
if (!(gtvScope_object is MmdGenericTypeVarScope))
{
throw new MetaMetadataException("Object is not instance of MmdGenericTypeVarScope");
}
MmdGenericTypeVarScope gtvScope = gtvScope_object;
MmdGenericTypeVar gtv = gtvScope.Get(mmdName);
if (gtv != null)
{
if (gtv.Arg != null)
{
result = ResolveMmdName(gtv.Arg);
}
else if (gtv.ExtendsAttribute != null)
{
result = ResolveMmdName(gtv.ExtendsAttribute);
}
// TODO superAttribute?
}
}
if (result != null)
{
if (nameType != null && nameType.Length > 0)
{
nameType[0] = NameType.GENERIC;
}
}
}
return(result);
}
/**
* bind metadata field descriptors to sub-fields of this nested field, with field names as keys,
* but without mixins field.
* <p>
* sub-fields that lack corresponding field descriptors will be removed from this nested field.
* <p>
* note that this field no longer uses a boolean flag to prevent multiple invocation. this should
* have been done by the bindClassDescriptor() method.
*
* @param metadataTScope
* the translation scope of (generated) metadata classes.
* @param metadataClassDescriptor
* the metadata class descriptor where field descriptors can be found.
*/
protected void BindMetadataFieldDescriptors(SimplTypesScope metadataTScope,
MetadataClassDescriptor metadataClassDescriptorToBind)
{
bool needCloneKids = false;
// check if the class's base class is genereic typed, and make sure itself is not generic.
MetadataClassDescriptor metadataCd = MetadataClassDescriptor;
MetaMetadata baseMmd = TypeMmd;
while (baseMmd != null && metadataCd != null)
{
if (metadataCd.GetGenericTypeVars().Count == 0 && baseMmd.GenericTypeVars != null)
{
needCloneKids = true;
break;
}
metadataCd = baseMmd.MetadataClassDescriptor;
baseMmd = baseMmd.TypeMmd;
}
if (needCloneKids)
{
DictionaryList <string, MetaMetadataField> clonedKids = new DictionaryList <string, MetaMetadataField>();
foreach (KeyValuePair <string, MetaMetadataField> entry in Kids)
{
string key = entry.Key;
MetaMetadataField field = entry.Value;
// look up to see if the field is declared in a generic typed class. If not, it does not need to clone it.
MetaMetadata declaringMmd = field.DeclaringMmd;
if (declaringMmd != null && declaringMmd.GenericTypeVars != null && declaringMmd.IsGenericMetadata)
{
// clone the field
field = field.Clone();
// remove the inherited field descriptor
field.MetadataFieldDescriptor = null;
}
clonedKids.Put(key, field);
}
Kids = clonedKids;
}
// copy the kids collection first to prevent modification to the collection during iteration (which may invalidate the iterator).
List <MetaMetadataField> fields = new List <MetaMetadataField>(Kids.Values);
foreach (MetaMetadataField thatChild in fields)
{
// look up by field name and bind
MetadataFieldDescriptor metadataFd = thatChild.BindMetadataFieldDescriptor(metadataTScope, metadataClassDescriptorToBind);
if (metadataFd == null)
{
Debug.WriteLineIf(BigSemanticsSettings.DebugLevel > 5, "Cannot bind metadata field descriptor for " + thatChild);
Kids.Remove(thatChild.Name);
continue;
}
// set defininig mmdfield
// process hide and shadows
var isImage = thatChild is MetaMetadataCompositeField && "image".Equals(((MetaMetadataCompositeField)thatChild).Type);
HashSet <String> nonDisplayedFieldNames = NonDisplayedFieldNames;
if (thatChild.Hide && !isImage)
{
nonDisplayedFieldNames.Add(thatChild.Name);
}
if (thatChild.Shadows != null)
{
nonDisplayedFieldNames.Add(thatChild.Shadows);
}
// recursively process sub-fields
Int32 fieldType = metadataFd.FdType;
if (fieldType == FieldTypes.CompositeElement || fieldType == FieldTypes.CollectionElement)
{
// bind class descriptor for nested sub-fields
MetaMetadataNestedField nested = (MetaMetadataNestedField)thatChild;
MetadataFieldDescriptor fd = nested.MetadataFieldDescriptor;
if (fd.IsPolymorphic)
{
Debug.WriteLineIf(BigSemanticsSettings.DebugLevel > 5, "Polymorphic field: " + nested + ", not binding an element class descriptor.");
}
else
{
MetadataClassDescriptor elementClassDescriptor =
((MetaMetadataNestedField)thatChild).BindMetadataClassDescriptor(metadataTScope);
if (elementClassDescriptor != null)
{
MetaMetadata mmdForThatChild = nested.TypeMmd;
if (mmdForThatChild != null && mmdForThatChild.MetadataClassDescriptor == null)
{
// mmdForThatChild.setMetadataClassDescriptor(elementClassDescriptor);
mmdForThatChild.BindMetadataClassDescriptor(metadataTScope);
}
}
else
{
Debug.WriteLineIf(BigSemanticsSettings.DebugLevel > 5, "Cannot determine elementClassDescriptor for " + thatChild);
Kids.Remove(thatChild.Name);
}
}
}
if (this is MetaMetadata)
{
MetaMetadata mmd = (MetaMetadata)this;
String naturalId = thatChild.AsNaturalId;
if (naturalId != null)
{
mmd.NaturalIds.Put(naturalId, thatChild);
}
}
}
}