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https://issues.apache.org/jira/browse/JDO-678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13700431#comment-13700431
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Craig L Russell commented on JDO-678:
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12.19 Property Management
The operation of a PersistenceManager is partly governed by the settings of
various properties, which have been documented in earlier sections. These
properties are inherited from the PersistenceManagerFactory from which the
PersistenceManager was obtained. The properties can be set by methods such as
setMultithreaded. Some properties are not standard but are
implementation-defined. After creation of the PersistenceManager, these
non-standard properties can only be set via the setProperty method.
The list of properties that can be accessed is in Appendix K.
void setProperty(String name, Object value);
Set the property name to the specified value. A12.19-1 [If a vendor-specific
property is not recognized, it is silently ignored.] A12.19-2 [If the value for
the property is not supported by the implementation, a JDOUserException is
thrown.]
A12.19-3 [Property names might exactly match the names of the properties in
javax.jdo.Constants or might differ in case only.] For example,
javax.jdo.Multithreaded is equivalent to JAVAX.JDO.MultiThreaded or
javax.jdo.multiTHREADED.
A12.19-4 Properties of the transaction associated with a persistence manager
can be accessed via the named property in javax.jdo.Constants. For example, the
non-transactional read property of the transaction can be accessed via
javax.jdo.option.NontransactionalRead.]
Map<String, Object> getProperties();
A12.19-5 [Return a map of String, Object with the properties and values
currently in effect. The keys in the map exactly match the corresponding names
in javax.jdo.Constants.] A12.19-6 [Changing the values in the map will not
affect the properties in the PersistenceManager.]
Set<String> getSupportedProperties();
A12.19-7 [Return the set of properties supported by this PersistenceManager.]
> 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: getProperties.patch, 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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