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https://issues.apache.org/jira/browse/BEAM-1446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15886194#comment-15886194
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ASF GitHub Bot commented on BEAM-1446:
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Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/2095
> Create should take a TypeDescriptor as an alternative to explicitly
> specifying the Coder
> ----------------------------------------------------------------------------------------
>
> Key: BEAM-1446
> URL: https://issues.apache.org/jira/browse/BEAM-1446
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Thomas Groh
> Assignee: Aviem Zur
> Priority: Minor
>
> {{getDefaultCreateCoder}} is provided with the Pipeline's {{CoderRegistry}},
> which enables it to use standard Coder Inference. For the construction of the
> Default Create Coder, explicitly providing the TypeDescriptor allows it to
> ask the CoderRegistry directly rather than attempting to reconstruct the
> TypeDescriptor based on the elements within the Create.
> This also makes some coder specifications significantly more terse, as the
> type signature must be respecified but the entire coder need not be
> constructed (e.g. {{KvCoder.of(VarIntCoder.of(), StringUtf8Coder.of());}}
> becomes {{new TypeDescriptor<KV<Integer, String>>() {};}}, which is at least
> somewhat simpler to type out.
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