NoSqlEntityManager em = NoSql.em();
MetaLayer metaLayer = em.getMeta();
if(!metaLayer.isManagedEntity(clazz))
return null;
ParamNode paramNode = rootParamNode.getChild(name, true);
String keyFieldName = metaLayer.getKeyFieldName(clazz);
ParamNode id = paramNode.getChild(keyFieldName);
String idStr = NoSqlModel.retrieveValue(id);
if(idStr == null)
return NoSqlModel.create(rootParamNode, name, clazz, annotations);