org.osgi.service.monitor
Interface MonitorListener

public interface MonitorListener

The MonitorListener is used by Monitorable services to send notifications when a StatusVariable value is changed. The MonitorListener should register itself as a service at the OSGi Service Registry. This interface must (only) be implemented by the Monitor Admin component.

Method Summary

void	updated(java.lang.String monitorableId, StatusVariable statusVariable) Callback for notification of a StatusVariable change.

Method Detail

updated

public void updated(java.lang.String monitorableId,
                    StatusVariable statusVariable)
             throws java.lang.IllegalArgumentException

Callback for notification of a StatusVariable change.

Parameters:

monitorableId - the identifier of the Monitorable instance reporting the change

statusVariable - the StatusVariable that has changed

Throws:

java.lang.IllegalArgumentException - if the specified monitorable ID is invalid (null, empty, or contains illegal characters) or points to a non-existing Monitorable, or if statusVariable is null