[jira] [Resolved] (JCLOUDS-894) Expose component operations of multipart upload

["Andrew Gaul (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JCLOUDS-894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Gaul resolved JCLOUDS-894.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Declaring victory, having exposed the component operations on Azure, GCS, S3, and Swift and moving from custom strategies into a common one.  Note that I did not port Glacier and the legacy Swift provider.

> Expose component operations of multipart upload
> -----------------------------------------------
>
>                 Key: JCLOUDS-894
>                 URL: https://issues.apache.org/jira/browse/JCLOUDS-894
>             Project: jclouds
>          Issue Type: New Feature
>          Components: jclouds-blobstore
>    Affects Versions: 1.9.0
>            Reporter: Andrew Gaul
>            Assignee: Andrew Gaul
>              Labels: multipart
>             Fix For: 2.0.0
>
>
> Presently jclouds exposes multipart upload via a simple interface:
> {code:java}
> blobStore.putBlob(containerName, blob, new PutOptions().multipart(true));
> {code}
> This does not allow more complicated interactions such as parallel uploads, uploads with unknown content-lengths, and other interfaces like writing into an {{OutputStream}}.  Further the current {{MultipartUploadStrategy}} implementations duplicate code across the azureblob, gcs, and s3 providers.
> I propose to expose the MPU component operations, e.g., initiate, complete, abort, and upload part, via the {{BlobStore}} abstraction.  This will allow us to address all the above features.



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