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HA-Singleton interface. Only one mbean is active at any point of time cluster-wide.
The abstract service provides a simple way for a concrete mbeans to detect whether or not it is the active one in the cluster.
Concrete mbeans would usually do activities like regular clean up of database tables or saving statistics about cluster usage.
Revisions:
Field Summary |
Fields inherited from interface org.jboss.system.ServiceMBean |
CREATE_EVENT, CREATED, DESTROY_EVENT, DESTROYED, FAILED, REGISTERED, START_EVENT, STARTED, STARTING, states, STOP_EVENT, STOPPED, STOPPING, UNREGISTERED |
Method Summary | |
boolean |
isMasterNode()
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Methods inherited from interface org.jboss.ha.jmx.HAServiceMBean |
callMethodOnPartition, getDistributedState, getPartitionName, sendNotification, setDistributedState, setPartitionName |
Methods inherited from interface org.jboss.system.ServiceMBean |
getName, getState, getStateString, jbossInternalLifecycle |
Methods inherited from interface org.jboss.system.Service |
create, destroy, start, stop |
Methods inherited from interface javax.management.NotificationBroadcaster |
addNotificationListener, getNotificationInfo, removeNotificationListener |
Method Detail |
public boolean isMasterNode()
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