wypoon commented on code in PR #12721:
URL: https://github.com/apache/iceberg/pull/12721#discussion_r2034029619
##########
hive-metastore/src/test/java/org/apache/iceberg/hive/TestHiveMetastore.java:
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@@ -186,9 +189,9 @@ public void stop() throws Exception {
if (executorService != null) {
executorService.shutdown();
}
- if (baseHandler != null) {
- baseHandler.shutdown();
- }
+ // if (baseHandler != null) {
+ // baseHandler.shutdown();
+ // }
Review Comment:
@pvary I made two mistakes above.
First, I made a mistake about the type hierarchies. _I had missed that_
`IHMSHandler` **is** a `FacebookService.Iface`. So I can use
`FacebookService.Iface` for `Foo`. I.e., I can declare the `baseHandler` field
to be of type `FacebookService.Iface`. (No wonder you didn't understand my
thinking before, as it was wrong!)
Second, I was thinking about what the actual static method (either
`RetryingHMSHandler.getProxy` in the case of Hive 2/3 or
`HMSHandlerProxyFactory.getProxy` in the case of Hive 4) needs as parameters.
It needs an `IHMSHandler` as its second parameter, not a
`FacebookService.Iface`. However, when using reflection
(`GET_BASE_HMS_HANDLER.invoke`), the parameters (to the `invoke`) are
`Object`s, so there is no type checking. That is why the code compiles (and at
runtime, fortunately `HMSHandler` is the correct type of `Object`).
I have pushed a new commit to fix this issue.
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