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From "Craig L Russell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JDO-678) Ability to set properties on PersistenceManager
Date Sun, 24 Mar 2013 22:09:15 GMT

    [ https://issues.apache.org/jira/browse/JDO-678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13612271#comment-13612271

Craig L Russell commented on JDO-678:

Now using DataNucleus 3.2, the persistence manager returns properties:

        Set<Map.Entry<String, Object>> properties = pm.getProperties().entrySet();
        for (Map.Entry<String, Object> entry: properties) {
            System.out.println("getProperties returned: " + entry.getKey() + ":" + entry.getValue());

getProperties returned: datanucleus.ignorecache:false
getProperties returned: datanucleus.store.allowreferenceswithnoimplementations:false
getProperties returned: javax.persistence.lock.timeout:0
getProperties returned: datanucleus.detachalloncommit:false
getProperties returned: datanucleus.persistencebyreachabilityatcommit:true
getProperties returned: datanucleus.multithreaded:false
getProperties returned: datanucleus.datastorereadtimeout:0
getProperties returned: datanucleus.detachallonrollback:false
getProperties returned: datanucleus.maxfetchdepth:1
getProperties returned: datanucleus.detachaswrapped:false
getProperties returned: datanucleus.copyonattach:true
getProperties returned: datanucleus.datastorewritetimeout:0
getProperties returned: datanucleus.managerelationshipschecks:true
getProperties returned: datanucleus.findobject.validatewhencached:true
getProperties returned: javax.persistence.query.timeout:0
getProperties returned: datanucleus.flush.mode:null
getProperties returned: datanucleus.allowattachoftransient:false
getProperties returned: datanucleus.allowcallbacks:true
getProperties returned: datanucleus.serializeread:false
getProperties returned: datanucleus.detachonclose:false
getProperties returned: datanucleus.managerelationships:true

There are no javax.jdo properties in the returned list of properties. 

I will check in the test case so we can discuss some specifics.
> 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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