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Posted to issues@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2017/08/15 11:15:00 UTC
[jira] [Assigned] (FLINK-7450) Bounded generic POJO field is
identified as Object by TypeExtractor
[ https://issues.apache.org/jira/browse/FLINK-7450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Timo Walther reassigned FLINK-7450:
-----------------------------------
Assignee: Timo Walther
> Bounded generic POJO field is identified as Object by TypeExtractor
> -------------------------------------------------------------------
>
> Key: FLINK-7450
> URL: https://issues.apache.org/jira/browse/FLINK-7450
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Affects Versions: 1.3.2
> Reporter: Timo Walther
> Assignee: Timo Walther
>
> The TypeExtractor does not correctly handle POJO fields with bounded generics.
> For example:
> {code}
> public class Foo<SomeKey extends BarKey> implements Serializable {
> public SomeKey someKey;
> public Foo() {}
> public Foo(SomeKey someKey) {
> this.someKey = someKey;
> }
> }
> {code}
> Is identified as:
> {code}
> PojoType<org.apache.flink.streaming.examples.wordcount.WordCount$Foo, fields = [someKey: GenericType<java.lang.Object>]>
> {code}
> So even though the reflection field has a type, the type information only describes a Object class.
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