new RuntimeException("not implemented yet").printStackTrace(); return -1;
if (obj.getSplitter().getType()==SIRSplitType.DUPLICATE) { return 1; } else if (obj.getSplitter().getType()==SIRSplitType.NULL) { return 0; } else { return obj.getSplitter().getSumOfWeights(); }
    public int getSplitPop (int nWork) {	new RuntimeException("not implemented yet").printStackTrace();	return -1;    }