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https://issues.apache.org/jira/browse/AVRO-110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting updated AVRO-110:
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Attachment: AVRO-104.patch
Here's a patch that implements this.
> make GenericData, & ReflectData implement singleton pattern
> -----------------------------------------------------------
>
> Key: AVRO-110
> URL: https://issues.apache.org/jira/browse/AVRO-110
> Project: Avro
> Issue Type: Improvement
> Components: java
> Reporter: Doug Cutting
> Assignee: Doug Cutting
> Attachments: AVRO-104.patch
>
>
> Currently GenericData has only static methods. ReflectData used to follow
> that pattern, but in AVRO-104 was converted into a normally instantiable
> class, with a public constructor.
> Better for both would be the singleton pattern. A static get() method would
> return the single, statically-allocated instance. Instances could thus
> implement long-lived caches (a feature of ReflectData that was lost in
> AVRO-104, adversely affecting performance). A protected constructor would be
> provided so that singleton subclasses can be implemented that override
> methods.
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