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https://issues.apache.org/jira/browse/AVRO-637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903735#action_12903735
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Doug Cutting commented on AVRO-637:
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> I think the type in SpecificRecord and elsewhere has to be a List<T> instead
> of Collection<T> in order to guarantee ordering,
I don't follow this logic. If they pass a List, then its order will be
preserved. But if someone passes in an unordered data structure, why should
they expect order to be preserved?
> GenericArray should implement Collection
> ----------------------------------------
>
> Key: AVRO-637
> URL: https://issues.apache.org/jira/browse/AVRO-637
> Project: Avro
> Issue Type: New Feature
> Components: java
> Reporter: Doug Cutting
> Assignee: Doug Cutting
> Fix For: 1.5.0
>
> Attachments: AVRO-637.patch, AVRO-637.patch
>
>
> It would be nice if Avro arrays were better integrated with Java collections.
> The GenericArray interface permits array element reuse, which is awkward
> with java.util.Collection. But if GenericArray implemented Collection and
> the Avro runtime permitted arbitrary Collection implementations to be passed
> for Arrays then it would simplify many applications. The runtime could still
> reuse elements if an array implemented GenericArray, so performance would not
> suffer for applications that, e.g., loop over a data file, reusing instances.
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