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Posted to issues@flink.apache.org by "Shaoxuan Wang (JIRA)" <ji...@apache.org> on 2019/06/30 08:34:00 UTC
[jira] [Commented] (FLINK-12881) Add more functionalities for ML
Params and ParamInfo class
[ https://issues.apache.org/jira/browse/FLINK-12881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16875719#comment-16875719 ]
Shaoxuan Wang commented on FLINK-12881:
---------------------------------------
Fixed in master:1660c6b777747af789fa5c9bf6a3ff77e868ca90
> Add more functionalities for ML Params and ParamInfo class
> ----------------------------------------------------------
>
> Key: FLINK-12881
> URL: https://issues.apache.org/jira/browse/FLINK-12881
> Project: Flink
> Issue Type: Sub-task
> Components: Library / Machine Learning
> Reporter: Xu Yang
> Assignee: Xu Yang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 1. change Params$get to support aliases
> * support aliases
> * if the Params contains the specific parameter and alias, but has more than one value or
> * if the Params doesn't contains the specific parameter, while the ParamInfo is optional but has no default value, it will throw exception
> * when isOptional is true, contain(ParamInfo) is true, it will return the value found in Params, whether the value is null or not. when isOptional is true, contain(ParamInfo) is false: hasDefaultValue is true, it will return defaultValue. hasDefaultValue is false, it will throw exception. developer should use contain to check that Params has ParamInfo or not.
> 2. add size, clear, isEmpty, contains, fromJson in Params
> 3. fix ParamInfo, PipelineStage to adapt new Params
> * assert null in alias
> * use Params$loadJson in PipelineStage
> 4. add test cases about aliases
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