[jira] [Commented] (MATH-807) Allow for the use of Incrementor.MaxCountExceededCallback in IterationManager

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

    [ https://issues.apache.org/jira/browse/MATH-807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13399261#comment-13399261 ] 

Gilles commented on MATH-807:
-----------------------------

Is it the callback which you want to be able to customize, or do you really want to let an external code fiddle with the counter?
If it's the former, it would be sufficient to have
{code}
public IterationManager(int maxIterations,
                        Incrementor.MaxCountExceededCallback cb) {
    this.iterations = new Incrementor(maxIterations, cb);
    // ...
}
{code}

                
> Allow for the use of Incrementor.MaxCountExceededCallback in IterationManager
> -----------------------------------------------------------------------------
>
>                 Key: MATH-807
>                 URL: https://issues.apache.org/jira/browse/MATH-807
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.1
>            Reporter: Sébastien Brisard
>            Assignee: Sébastien Brisard
>              Labels: iterative
>             Fix For: 3.0
>
>
> {{IterationManager}} uses {{Incrementor}} for the iterations book-keeping. When the maximum number of iterations is reached, the default behavior is to throw a {{MaxCountExceededException}} unless a {{MaxCountExceededCallback}} was passed to the constructor of {{Incrementor}}.
> In the current implementation of {{IterationManager}}, this feature is hidden. It is proposed to add a new constructor {{IterationManager(Incrementor)}}, which would permit the use of call-back methods through the use of appropriately initialized incrementors.

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