Hi Gérard,
Gérard BUNEL wrote:
The type of notification for backend state change is
AttributeChangeNotification[1] which contains both the previous and
new backend state value as defined in BackendState[2].
Hope it helps,
It helps, thanks.
But do you know if it's possible to query the list of backends attached
to a VirtualDatabase ?
There is 2 ways to do so:
1. You retrieve the MBean corresponding to the VDB and calls
getAllBackendNames()
2. You query the MBeanServerConnection using the ObjectName pattern
"sequoia:type=VirtualDataBase.Backend,VirtualDataBase=<your vdb>,*"
to retrieve all the MBeans corresponding to the backends.
Method (1) is simpler.
regards,
jeff
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