MRVMNationalBidder.java 文件源码

private static ImmutableSortedMap<Integer, BigDecimal> buildGammaMap(Map<Integer, BigDecimal> gammaInput) {
    ImmutableSortedMap.Builder<Integer, BigDecimal> mapBuilder = ImmutableSortedMap.naturalOrder();
    SortedMap<Integer, BigDecimal> sortedInput = new TreeMap<>(gammaInput);
    Preconditions.checkArgument(sortedInput.firstKey() == 1,
            "Gamma Values must (exclusively) be specified for quantities 1 and (optionally) higher",
            sortedInput);
    Preconditions.checkArgument(sortedInput.lastKey().equals(sortedInput.size()), ""
                    + "Gamma Values must be specified for all capacities in {0, ..., k_{max}}, where k_{max} > 0 is any natural number > 0",
            sortedInput);

    for (Entry<Integer, BigDecimal> inputGammaEntry : sortedInput.entrySet()) {
        Preconditions.checkArgument(inputGammaEntry.getValue().compareTo(BigDecimal.ZERO) >= 0, "Gamma must not be negative", inputGammaEntry);
        mapBuilder.put(inputGammaEntry);
    }
    return mapBuilder.build();
}