[jira] Commented: (OPENJPA-117) Collection of TransactionListeners registered to a Broker should be available as unmodifiable collection

["Patrick Linskey (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OPENJPA-117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468711 ] 

Patrick Linskey commented on OPENJPA-117:
-----------------------------------------

What's the use case for this? If someone were to write code that cannot track for itself what it's done, the code could always add a user object (Broker.putUserObject()).

> Collection of TransactionListeners registered to a Broker should be available as unmodifiable collection
> --------------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-117
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-117
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: kernel
>            Reporter: Pinaki Poddar
>         Assigned To: Pinaki Poddar
>            Priority: Minor
>
> Currently TransactionListeners can be added/removed to a broker but the list of transaction listeners registered to a particular broker is not available. Such a collection can be made available in read-only mode so a caller can determine whether to add a new listener or not, or whether a particular listener is already registered. 

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