org.apache.flink.runtime.leaderretrieval

接口 LeaderRetrievalDriverFactory

所有已知实现类:

ZooKeeperLeaderRetrievalDriverFactory

public interface LeaderRetrievalDriverFactory

Factory for creating LeaderRetrievalDriver with different implementation.

方法概要

限定符和类型	方法和说明
LeaderRetrievalDriver	createLeaderRetrievalDriver(LeaderRetrievalEventHandler leaderEventHandler, org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler) Create a specific LeaderRetrievalDriver and start the necessary services.

方法详细资料

createLeaderRetrievalDriver

LeaderRetrievalDriver createLeaderRetrievalDriver(LeaderRetrievalEventHandler leaderEventHandler,
                                                  org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler)
                                           throws Exception

Create a specific LeaderRetrievalDriver and start the necessary services. For example, NodeCache in Zookeeper, ConfigMap watcher in Kubernetes. They could get the leader information change events and need to notify the leader listener by LeaderRetrievalEventHandler.

参数:

leaderEventHandler - handler for the leader retrieval driver to notify leader change events.

fatalErrorHandler - fatal error handler

抛出:

Exception - when create a specific LeaderRetrievalDriver implementation and start the necessary services.