zentol commented on code in PR #21296:
URL: https://github.com/apache/flink/pull/21296#discussion_r1020105044
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flink-metrics/flink-metrics-core/src/main/java/org/apache/flink/metrics/reporter/InstantiateViaFactory.java:
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@@ -26,14 +26,7 @@
import java.lang.annotation.Target;
/**
- * Annotation for {@link MetricReporter MetricReporters} that support
factories but want to maintain
- * backwards-compatibility with existing reflection-based configurations.
- *
- * <p>When an annotated reporter is configured to be used via reflection the
given factory will be
- * used instead.
- *
- * <p>Attention: This annotation does not work if the reporter is loaded as a
plugin. For these
- * cases, annotate the factory with {@link
InterceptInstantiationViaReflection} instead.
+ * This annotation has no effect and is only kept for compatibility reasons.
Review Comment:
We are keeping these around because reporters/factories that used them were
already set up correctly to support factories (else there's no reason to use
these annotations!).
I didn't want to break these reporters, when really only the configuration
should be updated.
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