Initializing help system before first use

XpressProblem.CallbackAPI.ChangeBranchObjectCallback

  • com.dashoptimization.objects.XpressProblem.CallbackAPI.ChangeBranchObjectCallback
  • Enclosing class:
    XpressProblem.CallbackAPI
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference. 
    @FunctionalInterface
public static interface XpressProblem.CallbackAPI.ChangeBranchObjectCallback
    Interface to capture chgbranchobject events in an XpressProblem. More details about chgbranchobject events can be found in the documentation of the corresponding C callback (the p_newbranch output argument of the C callback becomes the return value of the interface function).
    See Also:
    C documentation of XPRSaddcbchgbranchobject()

    • Method Detail

      • changeBranchObject

        XPRSbranchobject changeBranchObject​(XpressProblem cbprob,
                                    XPRSbranchobject branch)
        Handle a chgbranchobject event. More details about chgbranchobject events can be found in the documentation of the corresponding C callback (the p_newbranch output argument of the C callback becomes the return value of this function).
        Parameters:
        cbprob - The problem passed to the callback function, chgbranchobject.
        branch - The candidate branching data selected by the Optimizer. Will be null if no candidates exist.
        Returns:
        Optional new branching data to replace the Optimizer's selection. If branch or null is passed back, no change will be applied.
        See Also:
        C documentation of XPRSaddcbchgbranchobject()
Parent Topic Interface Summary

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