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From "Henry Saginor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-8186) Create API in OAK for file access to binaries in the repository.
Date Mon, 01 Apr 2019 17:28:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-8186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Henry Saginor updated OAK-8186:
-------------------------------
    Description: 
To get file access applications normally write binaries to temp files. It would be nice if
an API existed to get file access directly from OAK. This might also meet some use cases documented
at [https://wiki.apache.org/jackrabbit/JCR%20Binary%20Usecase]

Suggested API and implementation can be found here [1]. Also, see attached diagram [2].

I can create a patch if I can get some feedback. Note that suggested API makes it explicit
that a temp file is created. I am not sure if direct access to files in datasore would be
safe. But I am open to suggestions.

[1]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/FileReferencable.java]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/TempFileReference.java]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/TempFileReferenceProvider.java]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/FileDSBlobTempFileReference.java]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/DataStoreBlobStore.java]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBlob.java]
 [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/plugins/value/jcr/BinaryImpl.java]

[2]

!OAK File Access.jpg!

  was:
To get file access application normally write binaries to temp files. It would be nice if
an API existed to get file access directly from OAK.

Suggested API and implementation can be found here [1]. Also, see attached diagram [2].

I can create a patch if I can get some feedback.

[1]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/FileReferencable.java]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/TempFileReference.java]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/TempFileReferenceProvider.java]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/FileDSBlobTempFileReference.java]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/DataStoreBlobStore.java]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBlob.java]
[https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/plugins/value/jcr/BinaryImpl.java]

[2]


!OAK File Access.jpg!


> Create API in OAK for file access to binaries in the repository.
> ----------------------------------------------------------------
>
>                 Key: OAK-8186
>                 URL: https://issues.apache.org/jira/browse/OAK-8186
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>            Reporter: Henry Saginor
>            Priority: Major
>         Attachments: OAK File Access.jpg
>
>
> To get file access applications normally write binaries to temp files. It would be nice
if an API existed to get file access directly from OAK. This might also meet some use cases
documented at [https://wiki.apache.org/jackrabbit/JCR%20Binary%20Usecase]
> Suggested API and implementation can be found here [1]. Also, see attached diagram [2].
> I can create a patch if I can get some feedback. Note that suggested API makes it explicit
that a temp file is created. I am not sure if direct access to files in datasore would be
safe. But I am open to suggestions.
> [1]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/FileReferencable.java]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/TempFileReference.java]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-api/src/main/java/org/apache/jackrabbit/oak/api/blob/TempFileReferenceProvider.java]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/FileDSBlobTempFileReference.java]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/DataStoreBlobStore.java]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBlob.java]
>  [https://github.com/hsaginor/jackrabbit-oak/blob/directFileAccess/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/plugins/value/jcr/BinaryImpl.java]
> [2]
> !OAK File Access.jpg!



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