@Override
public Optional<ValueType> describe(
PropertyPath path, TypeContext typeContext, DescribeContext context) {
if (!applies(path, typeContext)) {
return Optional.empty();
}
MappingResolver mappingResolver = context.getMappingResolver();
Map<String, TypeDescriptor> typesByAlias = new LinkedHashMap<>();
TypeDescriptor type = typeContext.type;
String alias = Check.notNull(mappingResolver.alias(type).value, "alias");
typesByAlias.put(alias, type);
registerSubclasses(mappingResolver, typesByAlias, mappingResolver.subclasses(type));
ObjectTypeMapping objectTypeMapping = new ObjectTypeMapping(typesByAlias);
return objectTypeMapping.describe(path, typeContext, context);
}
private void registerSubclasses(
MappingResolver mappingResolver,
Map<String, TypeDescriptor> typesByAlias,
Result<Map<TypeDescriptor, String>> subclasses) {
if (subclasses.isPreset()) {
for (Map.Entry<TypeDescriptor, String> entry : subclasses.value.entrySet()) {
TypeDescriptor type = entry.getKey();
String alias = entry.getValue();
if (isNullOrEmpty(alias)) {
alias = Check.notNull(mappingResolver.alias(type).value, "alias");
}
typesByAlias.put(alias, type);
}
}
}
