org.apache.flink.runtime.util

类 LeaderRetrievalUtils

java.lang.Object

org.apache.flink.runtime.util.LeaderRetrievalUtils

public class LeaderRetrievalUtils
extends Object

Utility class to work with LeaderRetrievalService class.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	LeaderRetrievalUtils.LeaderConnectionInfoListener Helper class which is used by the retrieveLeaderConnectionInfo method to retrieve the leader's akka URL and the current leader session ID.

方法概要

限定符和类型	方法和说明
static InetAddress	findConnectingAddress(LeaderRetrievalService leaderRetrievalService, java.time.Duration timeout, org.apache.flink.runtime.rpc.RpcSystemUtils rpcSystemUtils)
static LeaderConnectionInfo	retrieveLeaderConnectionInfo(LeaderRetrievalService leaderRetrievalService, java.time.Duration timeout) Retrieves the leader akka url and the current leader session ID.

从类继承的方法 java.lang.Object

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

方法详细资料

retrieveLeaderConnectionInfo

public static LeaderConnectionInfo retrieveLeaderConnectionInfo(LeaderRetrievalService leaderRetrievalService,
                                                                java.time.Duration timeout)
                                                         throws LeaderRetrievalException

Retrieves the leader akka url and the current leader session ID. The values are stored in a LeaderConnectionInfo instance.

参数:

leaderRetrievalService - Leader retrieval service to retrieve the leader connection information

timeout - Timeout when to give up looking for the leader

返回:

LeaderConnectionInfo containing the leader's akka URL and the current leader session ID

抛出:

LeaderRetrievalException

findConnectingAddress

public static InetAddress findConnectingAddress(LeaderRetrievalService leaderRetrievalService,
                                                java.time.Duration timeout,
                                                org.apache.flink.runtime.rpc.RpcSystemUtils rpcSystemUtils)
                                         throws LeaderRetrievalException

抛出:

LeaderRetrievalException