code: public void setCompany(final Company _company)
          throws CacheReloadException
      {
          if (_company == null) {
              this.companyId = null;
          } else {
              this.companyId = _company.getId();
          }
      }
docs: Set the Company currently valid for this context.
  @param _company Company to set
  @throws CacheReloadException on error