[jira] [Updated] (ISIS-1479) DataNucleus data type mapping for streams (to support direct upload of large BLOBs)

["Dan Haywood (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ISIS-1479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Haywood updated ISIS-1479:
------------------------------
    Fix Version/s:     (was: 1.17.0)
                   1.15.0

> DataNucleus data type mapping for streams (to support direct upload of large BLOBs)
> -----------------------------------------------------------------------------------
>
>                 Key: ISIS-1479
>                 URL: https://issues.apache.org/jira/browse/ISIS-1479
>             Project: Isis
>          Issue Type: New Feature
>          Components: Core
>    Affects Versions: 1.13.0
>            Reporter: Dan Haywood
>            Priority: Minor
>             Fix For: 1.15.0
>
>
> from http://markmail.org/message/64xcc7twcxdrhfqj
> > With respect to the storage of the BLOBs themselves, I don't think (at
> > least I couldn't find) any datatype mapping to be able to map from a stream
> > (obtained from ServletInputStream) into a JDO entity, ie to avoid the
> > creation of the BLOB in-memory.  If it *were* possible, then I don't think
> > Isis would care; just map the property as @Programmatic and Isis would
> > ignore it.  Perhaps Andy might be able to chip in on this?
> java.io.File is currently the only java field type with a mapping that is streamable. See
> http://www.datanucleus.org/products/accessplatform_5_0/jdo/types.html#Other_Types
> Somebody could take existing code used for that type and contribute a mapping for some other java type.
> https://github.com/datanucleus/datanucleus-rdbms/blob/master/src/main/java/org/datanucleus/store/rdbms/mapping/datastore/BinaryStreamRDBMSMapping.java



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