YangFei created FLINK-12412:
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Summary: Allow ListTypeInfo used for java.util.List and
MapTypeInfo used for java.util.Map
Key: FLINK-12412
URL: https://issues.apache.org/jira/browse/FLINK-12412
Project: Flink
Issue Type: New Feature
Components: API / Type Serialization System
Affects Versions: 1.9.0
Reporter: YangFei
Assignee: YangFei
Fix For: 1.9.0
public static class UserBehavior {
public long userId;
public long itemId;
public int categoryId;
public long timestamp;
public List<String> comments;
}
public static void main(String[] args) throws Exception {
PojoTypeInfo<UserBehavior> pojoType = (PojoTypeInfo<UserBehavior>)
TypeExtractor.createTypeInfo(UserBehavior.class);
});
}
The filed `comments` in `UserBehavior` will be extracted by TypeExtractor to
`GenericType` .
I think it can be extracted to ListTypeInfo .
This would be a big improvement as in many cases classes including List or Map
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