org.apache.flink.runtime.leaderelection

类 ZooKeeperLeaderElectionDriver

java.lang.Object

org.apache.flink.runtime.leaderelection.ZooKeeperLeaderElectionDriver

所有已实现的接口:

LeaderElectionDriver, org.apache.flink.shaded.curator5.org.apache.curator.framework.recipes.leader.LeaderLatchListener

已过时。

in favour of ZooKeeperMultipleComponentLeaderElectionDriver

@Deprecated
public class ZooKeeperLeaderElectionDriver
extends Object
implements LeaderElectionDriver, org.apache.flink.shaded.curator5.org.apache.curator.framework.recipes.leader.LeaderLatchListener

LeaderElectionDriver implementation for Zookeeper. The leading JobManager is elected using ZooKeeper. The current leader's address as well as its leader session ID is published via ZooKeeper.

构造器概要

构造器

构造器和说明
ZooKeeperLeaderElectionDriver(org.apache.flink.shaded.curator5.org.apache.curator.framework.CuratorFramework client, String path, LeaderElectionEventHandler leaderElectionEventHandler, org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler, String leaderContenderDescription) 已过时。 Creates a ZooKeeperLeaderElectionDriver object.

方法概要

限定符和类型	方法和说明
void	close() 已过时。 Close the services used for leader election.
boolean	hasLeadership() 已过时。 Check whether the driver still have the leadership in the distributed coordination system.
void	isLeader() 已过时。
void	notLeader() 已过时。
String	toString() 已过时。
void	writeLeaderInformation(LeaderInformation leaderInformation) 已过时。 Writes the current leader's address as well the given leader session ID to ZooKeeper.

从类继承的方法 java.lang.Object

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

构造器详细资料

ZooKeeperLeaderElectionDriver

public ZooKeeperLeaderElectionDriver(org.apache.flink.shaded.curator5.org.apache.curator.framework.CuratorFramework client,
                                     String path,
                                     LeaderElectionEventHandler leaderElectionEventHandler,
                                     org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler,
                                     String leaderContenderDescription)
                              throws Exception

已过时。

Creates a ZooKeeperLeaderElectionDriver object.

参数:

client - Client which is connected to the ZooKeeper quorum

path - ZooKeeper node path for the leader election

leaderElectionEventHandler - Event handler for processing leader change events

fatalErrorHandler - Fatal error handler

leaderContenderDescription - Leader contender description

抛出:

Exception

方法详细资料

close

public void close()
           throws Exception

已过时。

从接口复制的说明: LeaderElectionDriver

Close the services used for leader election.

指定者:

close 在接口中 LeaderElectionDriver

抛出:

Exception

hasLeadership

public boolean hasLeadership()

已过时。

从接口复制的说明: LeaderElectionDriver

Check whether the driver still have the leadership in the distributed coordination system.

指定者:

hasLeadership 在接口中 LeaderElectionDriver

返回:

Return whether the driver has leadership.

isLeader

public void isLeader()

已过时。

指定者:

isLeader 在接口中 org.apache.flink.shaded.curator5.org.apache.curator.framework.recipes.leader.LeaderLatchListener

notLeader

public void notLeader()

已过时。

指定者:

notLeader 在接口中 org.apache.flink.shaded.curator5.org.apache.curator.framework.recipes.leader.LeaderLatchListener

writeLeaderInformation

public void writeLeaderInformation(LeaderInformation leaderInformation)

已过时。

Writes the current leader's address as well the given leader session ID to ZooKeeper.

指定者:

writeLeaderInformation 在接口中 LeaderElectionDriver

参数:

leaderInformation - current leader information. It could be LeaderInformation.empty(), which means the caller want to clear the leader information on external storage. Please remember that the clear operation should only happen before a new leader is elected and has written his leader information on the storage. Otherwise, we may have a risk to wrongly update the storage with empty leader information.

toString

public String toString()

已过时。

覆盖:

toString 在类中 Object