A clustered singleton service that calls a configurable
method on a target mbean, whenever the current node becomes
the master. Correspondigly, it calls a configurable method
on the target mbean, whenever the current node resigns from
being the master.
Optional string arguments may be passed to those methods.
The prevailing usage of this MBean is to deploy on the
master node the content of the deploy-hasingleton directory.
author: Ivelin Ivanov author: Scott Stark author: Marcus Redeker author: Dimitris Andreadis version: $Revision: 57188 $