[ https://issues.apache.org/jira/browse/FLINK-15129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16990794#comment-16990794 ]
Zili Chen edited comment on FLINK-15129 at 12/8/19 9:45 AM: ------------------------------------------------------------ "but currently we always return an already completed future that contains the JobClient" in {{AbstractSessionClusterExecutor}} we return an uncompleted future of the {{JobClient}}. And see also FLINK-14916 we towards an asynchronous version of deploying job cluster. was (Author: tison): "but currently we always return an already completed future that contains the JobClient" in {{AbstractSessionClusterExecutor}} we return a uncompleted future of the {{JobClient}}. > Return JobClient instead of JobClient Future from executeAsync() > ---------------------------------------------------------------- > > Key: FLINK-15129 > URL: https://issues.apache.org/jira/browse/FLINK-15129 > Project: Flink > Issue Type: Sub-task > Components: API / DataSet, API / DataStream > Reporter: Aljoscha Krettek > Priority: Major > > Currently, users have to write this when they want to use the {{JobClient}}: > {code} > CompletableFuture<JobClient> jobClientFuture = env.executeAsync(); > JobClient jobClient = jobClientFuture.get(); > // or use thenApply/thenCompose etc. > {code} > instead we could always return a {{JobClient}} right away and therefore > remove one step for the user. > I don't know if it's always the right choice, but currently we always return > an already completed future that contains the {{JobClient}}. In the future we > might want to return a future that actually completes at some later point, we > would not be able to do this if we directly return a {{JobClient}} and would > have to block in {{executeAsync()}}. -- This message was sent by Atlassian Jira (v8.3.4#803005)