[jira] [Created] (FLINK-13965) Keep hasDeprecatedKeys in ConfigOption and mark it with @Deprecated annotation

[Shang Yuanchun (Jira)]

vinoyang created FLINK-13965:
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             Summary: Keep hasDeprecatedKeys in ConfigOption and mark it with @Deprecated annotation
                 Key: FLINK-13965
                 URL: https://issues.apache.org/jira/browse/FLINK-13965
             Project: Flink
          Issue Type: Test
    Affects Versions: 1.9.0
            Reporter: vinoyang


In our program based on Flink 1.7.2, we used method {{ConfigOption#hasDeprecatedKeys}}. But, this method was renamed to {{hasFallbackKeys }} in FLINK-10436. So after we bump our flink version to 1.9.0, we meet compile error.

 
It seems we replaced the deprecated key with an entity {{FallbackKey}}. However, I still see the method {{withDeprecatedKeys}}. Since we keep the method {{withDeprecatedKeys}}, why not keep the method {{hasDeprecatedKeys}}. Although, this public API did not marked as {{Public}} annotation. IMHO, {{ConfigOption}} is hosted in flink-core module, many users also use it, we should maintain the compatibility as far as possible.



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