[CAMEL-11899] cluster-service : fire event on listener registration

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.21.0
• Component/s: camel-core
• Labels: clustering
• Estimated Complexity: Unknown
• Assignee: Luca Burgazzoli
• Reporter: Luca Burgazzoli
• Created: 12/Oct/17 10:08
• Updated: 12/Oct/17 17:04
• Resolved: 12/Oct/17 17:04

Description

As today listeners registered to a cluster view may not be invoked if the view is elected as leader before the registration so the patter is:

clusterView.addListener(...).
if (clusterView.getLocalMember().isLeader()) {
    doSomething();
}

Which is boring,