code: protected <S extends Storable> GenericEncodingStrategy<S> createStrategy
          (Class<S> type, StorableIndex<S> pkIndex)
          throws SupportException
      {
          return new GenericEncodingStrategy<S>(type, pkIndex);
      }
docs: Override to return a different EncodingStrategy.
  
  @param type type of Storable to generate code for
  @param pkIndex specifies sequence and ordering of key properties (optional)