jiasheng55 commented on a change in pull request #14271:
URL: https://github.com/apache/flink/pull/14271#discussion_r540051362
##########
File path:
flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java
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@@ -735,6 +829,116 @@ private void disposeSavepoint(ClusterClient<?>
clusterClient, String savepointPa
logAndSysout("Savepoint '" + savepointPath + "' disposed.");
}
+ /**
+ * The '-h' or '--help' action.
+ */
+ protected class ActionHelp implements CommandAction<CommandLineOptions>
{
+
+ @Override
+ public CommandLineOptions parse(String[] args) throws
CliArgsException {
Review comment:
@V1ncentzzZ please check this out to help you understand why I removed
`abstract` of `CommandLineOptions`.
This implementation needs to return an instance of `CommandLineOptions`, but
we do not have a proper type of `CommandLineOptions` to create.
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