[jira] [Created] (FLINK-20749) Allow to register new slots listener at DeclarativeSlotPool

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-20749:
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             Summary: Allow to register new slots listener at DeclarativeSlotPool
                 Key: FLINK-20749
                 URL: https://issues.apache.org/jira/browse/FLINK-20749
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
    Affects Versions: 1.13.0
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann
             Fix For: 1.13.0


At the moment it is not possible to register a new slots listener at the {{DeclarativeSlotPool}} after its creation. This is problematic because the listener might not be known at the time of instantiating the {{DeclarativeSlotPool}}. I propose to add a {{registerNewSlotListener}} method to the {{DeclarativeSlotPool}}.



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