code: @Override
    public final SubaccountLine process(
      final Map<String, Object> pAddParam,
        final SubaccountLine pEntity,
          final IRequestData pRequestData) throws Exception {
      SubaccountLine entity = this.prcAccEntityCreate
        .process(pAddParam, pEntity, pRequestData);
      entity.setItsOwner(getSrvOrm()
        .retrieveEntity(pAddParam, entity.getItsOwner()));
      pEntity.setSubaccType(entity.getItsOwner().getSubaccType());
      pRequestData.setAttribute("typeCodeSubaccMap",
        this.srvTypeCode.getTypeCodeMap());
      return entity;
    }
docs: <p>Process entity request.</p>
  @param pAddParam additional param, e.g. return this line's
  document in "nextEntity" for farther process
  @param pRequestData Request Data
  @param pEntity Entity to process
  @return Entity processed for farther process or null
  @throws Exception - an exception