Tracing the Specified Objects

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We use the following code, depending on the traceLevel parameter, to add marked objects to our instance of IlcSchedulerPrintTrace.

If traceLevel is 0, we iterate over all the activities to find those that are marked. They are added to the trace object with the method trace(IlcActivity).

    // Trace only some specific activities
    for (IlcActivityIterator it(scheduler); it.ok(); ++it) {
      IlcActivity act = *it;
      if (act.getObject() == (IloAny)1) {
        trace.trace(act);
      }
    }

If traceLevel is 1, we iterate over all the resources to find those that are marked. They are added to the trace object with the method trace(IlcResource). Its effect is that all the activities that require the resource will be traced.

    // We trace only the activities that require a specific resource
    for (IlcResourceIterator it(scheduler); it.ok(); ++it) {
      IlcResource res = *it;
      if (res.getObject() == (IloAny)1) {
        trace.trace(res);
      }
    }

And finally, if traceLevel is 2, we want to trace all the activities in the problem. This is achieved simply by using the method traceAllActivities.

    // Tracing all activities in the problem
    trace.traceAllActivities();