[jbossts-issues] [JBoss JIRA] (JBTM-2306) Tooling does not display the type of a heuristic

Mark Little (JIRA) issues at jboss.org
Tue Nov 25 09:41:39 EST 2014

    [ https://issues.jboss.org/browse/JBTM-2306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022773#comment-13022773 ] 

Mark Little commented on JBTM-2306:

As I was explaining to Tom yesterday, HeuristicInformation was also supposed to return a reference to something which could be used to drive the heuristic at the participant to completion. You've not included the whole interface to see that, but it's important. We may not have ever used it, but we need to consider whether it should be added back - or equivalent. 

> Tooling does not display the type of a heuristic
> ------------------------------------------------
>                 Key: JBTM-2306
>                 URL: https://issues.jboss.org/browse/JBTM-2306
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>          Components: Tooling
>    Affects Versions: 5.0.3
>            Reporter: Michael Musgrove
>            Assignee: Michael Musgrove
>            Priority: Minor
>             Fix For: 6.0.0
> The new JMX based tooling for browsing abstract records does not display the particular type of a heuristic *when it's available*.
> There is a comment in the javadoc for AbstractRecord which seems to indicate that the particular kind of heuristic may be available:
> {code}
> 	/**
> 	 * If this abstract record caused a heuristic then it should return an
> 	 * object which implements <code>HeuristicInformation</code>
> 	 *
> 	 * @return <code>Object</code> to be used to order.
> 	 */
> 	public abstract Object value ();
> {code}
> HeuristicInformation contains a method getHeuristicType() which looks like it may report the particular kind of heuristic.:
> {code}
> public interface HeuristicInformation {
>     /**
>      * The type of heuristic.
>      * @return the heuristic type
>      */
>     public int getHeuristicType();
> {code}
> This JIRA is asking for value() object to be consulted to see if it contains an instance of HeuristicInformation and if so to report it in the JBX MBean corresponding to the AR.
> Note that such a change would only affect 3rd party implementers of ARs (since our own code does not set this field).

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