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. |
updated
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 changestatusVariable
- 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