Package org.apache.flink.runtime.net

Class ConnectionUtils.LeaderConnectingAddressListener

java.lang.Object

org.apache.flink.runtime.net.ConnectionUtils.LeaderConnectingAddressListener

All Implemented Interfaces:

LeaderRetrievalListener

Enclosing class:

ConnectionUtils

public static class ConnectionUtils.LeaderConnectingAddressListener
extends Object
implements LeaderRetrievalListener

A LeaderRetrievalListener that allows retrieving an InetAddress for the current leader.

Constructor Summary

Constructors

Constructor	Description
LeaderConnectingAddressListener(org.apache.flink.runtime.rpc.RpcSystemUtils rpcSystemUtils)

Method Summary

Modifier and Type	Method	Description
InetAddress	findConnectingAddress(Duration timeout)
InetAddress	findConnectingAddress(Duration timeout, Duration startLoggingAfter)
void	handleError(Exception exception)	This method is called by the LeaderRetrievalService in case of an exception.
void	notifyLeaderAddress(String leaderAddress, UUID leaderSessionID)	This method is called by the LeaderRetrievalService when a new leader is elected.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LeaderConnectingAddressListener

public LeaderConnectingAddressListener(org.apache.flink.runtime.rpc.RpcSystemUtils rpcSystemUtils)

Method Details

findConnectingAddress

public InetAddress findConnectingAddress(Duration timeout)
                                  throws LeaderRetrievalException

Throws:

LeaderRetrievalException

findConnectingAddress

public InetAddress findConnectingAddress(Duration timeout,
 Duration startLoggingAfter)
                                  throws LeaderRetrievalException

Throws:

LeaderRetrievalException

notifyLeaderAddress

public void notifyLeaderAddress(String leaderAddress,
 UUID leaderSessionID)

Description copied from interface: LeaderRetrievalListener

This method is called by the LeaderRetrievalService when a new leader is elected.

If both arguments are null then it signals that leadership was revoked without a new leader having been elected.

Specified by:

notifyLeaderAddress in interface LeaderRetrievalListener

Parameters:

leaderAddress - The address of the new leader

leaderSessionID - The new leader session ID

handleError

public void handleError(Exception exception)

Description copied from interface: LeaderRetrievalListener

This method is called by the LeaderRetrievalService in case of an exception. This assures that the LeaderRetrievalListener is aware of any problems occurring in the LeaderRetrievalService thread.

Specified by:

handleError in interface LeaderRetrievalListener