How to use

calendarIsReferenced

method

in

org.quartz.impl.jdbcjobstore.DriverDelegate

protected boolean removeCalendar(Connection conn, 
    String calName) throws JobPersistenceException {
  try {
    if (getDelegate().calendarIsReferenced(conn, calName)) { 
      throw new JobPersistenceException(
        "Calender cannot be removed if it referenced by a trigger!"); 
    }
    if (!isClustered) {
      calendarCache.remove(calName);
    }
    return (getDelegate().deleteCalendar(conn, calName) > 0);
  } catch (SQLException e) {
    throw new JobPersistenceException("Couldn't remove calendar: "
        + e.getMessage(), e);
  }
}

protected boolean removeCalendar(Connection conn, 
    String calName) throws JobPersistenceException {
  try {
    if (getDelegate().calendarIsReferenced(conn, calName)) { 
      throw new JobPersistenceException(
        "Calender cannot be removed if it referenced by a trigger!"); 
    }
    if (!isClustered) {
      calendarCache.remove(calName);
    }
    return (getDelegate().deleteCalendar(conn, calName) > 0);
  } catch (SQLException e) {
    throw new JobPersistenceException("Couldn't remove calendar: "
        + e.getMessage(), e);
  }
}

protected boolean removeCalendar(Connection conn, SchedulingContext ctxt,
    String calName) throws JobPersistenceException {
  try {
    if (getDelegate().calendarIsReferenced(conn, calName)) { 
      throw new JobPersistenceException(
        "Calender cannot be removed if it referenced by a trigger!"); 
    }
    if (isClustered == false) {
      calendarCache.remove(calName);
    }
    return (getDelegate().deleteCalendar(conn, calName) > 0);
  } catch (SQLException e) {
    throw new JobPersistenceException("Couldn't remove calendar: "
        + e.getMessage(), e);
  }
}

protected boolean removeCalendar(Connection conn, SchedulingContext ctxt,
    String calName) throws JobPersistenceException {
  try {
    if (getDelegate().calendarIsReferenced(conn, calName)) { 
      throw new JobPersistenceException(
        "Calender cannot be removed if it referenced by a trigger!"); 
    }
    if (isClustered == false) {
      calendarCache.remove(calName);
    }
    return (getDelegate().deleteCalendar(conn, calName) > 0);
  } catch (SQLException e) {
    throw new JobPersistenceException("Couldn't remove calendar: "
        + e.getMessage(), e);
  }
}