org.apache.curator.framework.recipes.leader

Interface LeaderSelectorListener

All Superinterfaces:

org.apache.curator.framework.state.ConnectionStateListener

All Known Implementing Classes:

LeaderSelectorListenerAdapter

public interface LeaderSelectorListener
extends org.apache.curator.framework.state.ConnectionStateListener

Notification for leadership

See Also:

LeaderSelector

Method Summary

Modifier and Type	Method and Description
void	takeLeadership(org.apache.curator.framework.CuratorFramework client) Called when your instance has been granted leadership.

Methods inherited from interface org.apache.curator.framework.state.ConnectionStateListener

doNotProxy, stateChanged

Method Detail

takeLeadership

void takeLeadership(org.apache.curator.framework.CuratorFramework client)
             throws Exception

Called when your instance has been granted leadership. This method should not return until you wish to release leadership.

It is guaranteed that there is no concurrent executions of this method.

It is guaranteed that this method will be interrupted if ConnectionStateListener.stateChanged(CuratorFramework, ConnectionState) throws CancelLeadershipException. After interrupted, this method should exit(either return or throw) promptly, otherwise it will block following elections.

Parameters:

client - the client

Throws:

Exception - any errors