[jbossts-issues] [JBoss JIRA] (JBTM-2116) SPI: Unique identifier for a transaction

[Tom Jenkinson (JIRA)]

    [ https://issues.jboss.org/browse/JBTM-2116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12958396#comment-12958396 ] 

Tom Jenkinson commented on JBTM-2116:
-------------------------------------

>From Jesper on the forum:
{quote}
JBTM-2216 is needed for cases where the Transaction instance is currently used as a key in a Map<Transaction, ?>, and the map is cleaned up in a Synchronization:afterCompletion() implementation. The map is static in order to coordinate across the JVM.

 

Example usage (constructor)

this.tx = tx;
this.key = TxSPI.getIdentifier(tx);

txMap.put(key, this);

 

Example usage (afterCompletion)

txMap.remove(key);
{quote}
                
> SPI: Unique identifier for a transaction
> ----------------------------------------
>
>                 Key: JBTM-2116
>                 URL: https://issues.jboss.org/browse/JBTM-2116
>             Project: JBoss Transaction Manager
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: SPI
>            Reporter: Jesper Pedersen
>            Assignee: Michael Musgrove
>
> The Narayana SPI should provide a method that returns a unique identifier for a transaction that is stable for its entire lifecycle.
> {noformat}
> public Object getIdentifier(Transaction tx)
> {noformat}

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