[jira] [Commented] (JDO-678) Ability to set properties on PersistenceManager

["Craig L Russell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JDO-678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13570867#comment-13570867 ] 

Craig L Russell commented on JDO-678:
-------------------------------------

I've got most of a test case written but have some questions that the DataNucleus team can probably sort.

The supported options from persistence manager factory look fine:
...
javax.jdo.option.DatastoreIdentity
javax.jdo.option.mapping.JoinedTablePerConcreteClass
javax.jdo.option.mapping.JoinedTablePerClass
javax.jdo.option.LinkedList
javax.jdo.option.Stack

But the supported properties from persistence manager look hinky (modulo capitalization):
...
javax.jdo.option.multithreaded
javax.jdo.option.datastorereadtimeoutmillis
javax.jdo.option.copyonattach
...

>From the discussion here, I expected the supported properties to be:
...

javax.jdo.option.Multithreaded
javax.jdo.option.DatastoreReadTimeoutMillis
javax.jdo.option.CopyOnAttach
...

The property names are all documented at javax.jdo.Constants, e.g:
    static String PROPERTY_COPY_ON_ATTACH
        = "javax.jdo.option.CopyOnAttach";

The getProperties are consistent with getSupportedProperties but are not consistent with pm.supportedOptions and javax.jdo.Constants.

I have no issues with the datanucleus property naming.
                
> Ability to set properties on PersistenceManager
> -----------------------------------------------
>
>                 Key: JDO-678
>                 URL: https://issues.apache.org/jira/browse/JDO-678
>             Project: JDO
>          Issue Type: Improvement
>          Components: api, specification, tck
>    Affects Versions: JDO 3 (3.0)
>            Reporter: Andy Jefferson
>            Assignee: Craig L Russell
>             Fix For: JDO 3 maintenance release 1 (3.1)
>
>         Attachments: jdo-678.patch
>
>
> It would be desirable to be able to set properties on the PersistenceManager, so as to be able to configure/change behaviour for a PM. Currently the PM is generated with particular configuration (from the PMF) and allows specific options to be set. But what about vendor extensions ? Having a general setProperty/getProperty/getSupportedProperties would be useful, and could also encompass the existing detachAllOnCommit, IgnoreCache, etc settings.

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