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); } } } }
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); } } } }