Initializing help system before first use

XpressProblem.CallbackAPI.PreNodeCallback

  • com.dashoptimization.objects.XpressProblem.CallbackAPI.PreNodeCallback
  • 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.PreNodeCallback
    Interface to capture prenode events in an XpressProblem. More details about prenode events can be found in the documentation of the corresponding C callback (the p_infeasible output argument of the C callback becomes the return value of the interface function).
    See Also:
    C documentation of XPRSaddcbprenode()

    • Method Summary

      Modifier and Type Method Description
      int preNode​(XpressProblem cbprob)
      Handle a prenode event.

    • Method Detail

      • preNode

        int preNode​(XpressProblem cbprob)
        Handle a prenode event. More details about prenode events can be found in the documentation of the corresponding C callback (the p_infeasible output argument of the C callback becomes the return value of this function).
        Parameters:
        cbprob - The problem passed to the callback function, prenode.
        Returns:
        The feasibility status. If set to a nonzero value by the user, the current node will be declared infeasible by the Optimizer.
        See Also:
        C documentation of XPRSaddcbprenode()
Parent Topic Interface Summary

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