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https://issues.apache.org/jira/browse/BEAM-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luke Cwik updated BEAM-2174:
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Description:
By allowing the CoderFactory to see they type it can look at annotations on the
type allowing:
* @DefaultCoder to become a CoderFactory
* Creating a ProtoCoderFactory which delegates to the ProtoCoder for all
Message types
* Creating a SerializableCoderFactory which delegates to the SerializableCoder
for all Serializable types
* Creating a WritableCoderFactory which delegates to the Hadoop WritableCoder
for all Hadoop Writable types
This requires plumbing through TypeDescriptor as the primary method of looking
up coders within the CoderRegistry
> Allow coder factories to create Coders for a wider range of types
> -----------------------------------------------------------------
>
> Key: BEAM-2174
> URL: https://issues.apache.org/jira/browse/BEAM-2174
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Luke Cwik
> Assignee: Luke Cwik
>
> By allowing the CoderFactory to see they type it can look at annotations on
> the type allowing:
> * @DefaultCoder to become a CoderFactory
> * Creating a ProtoCoderFactory which delegates to the ProtoCoder for all
> Message types
> * Creating a SerializableCoderFactory which delegates to the
> SerializableCoder for all Serializable types
> * Creating a WritableCoderFactory which delegates to the Hadoop WritableCoder
> for all Hadoop Writable types
> This requires plumbing through TypeDescriptor as the primary method of
> looking up coders within the CoderRegistry
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