Object theId = metaLayer.convertIdFromString(clazz, idStr);
//Read the entity in so that this entity is used instead...
Object o = em.find(clazz, theId);
if(o == null)
throw new RowNotFoundException("Row with rowkey="+theId+" was not found, but your page posted this id to lookup the row of class type="+clazz.getSimpleName());
return NoSqlModel.edit(rootParamNode, name, o, annotations);
}