if (_lob instanceof Clob) {
if (_lob instanceof Blob) { return readInternalBlob(env, -1); } else if (_lob instanceof Clob) {
  public String load(Env env)  {    try {      switch (_type) {      case OracleModule.OCI_D_FILE:        break;      case OracleModule.OCI_D_LOB:        if (_lob instanceof Clob) {          return readInternalClob(env, -1);        }        break;      case OracleModule.OCI_D_ROWID:        break;      }    } catch (Exception ex) {      log.log(Level.FINE, ex.toString(), ex);    }    return null;  }