private float[] calculateTimeToHomeRate(TimeToGoHome timeToGoHome) {
if (timeToGoHome == null || timeToGoHome.isEmpty()) {
return NumUtils.newEmptyFloatArray(RANGE_DIVIDER);
}
final int testCount = timeToGoHome.getTestCount();
final int range = testCount / RANGE_DIVIDER;
final int[] occ = NumUtils.newEmptyIntArray(RANGE_DIVIDER);
for (int i = 0; i < timeToGoHome.size(); i++) {
final int index = timeToGoHome.get(i) / range;
occ[index]++;
}
return NumUtils.calculateProbability(occ);
}
private List<SimpleLottery> getAllLotteries(Lottery.Type type, boolean noFilter) {
final LotteryConfiguration configuration = LotteryConfiguration.getWithType(type);
List<List<Integer>> normals =
NumUtils.exhaustC(configuration.getNormalRange(), configuration.getNormalSize());
List<List<Integer>> specials =
NumUtils.exhaustC(configuration.getSpecialRange(), configuration.getSpecialSize());
List<SimpleLottery> allLotteries = new ArrayList<>(normals.size() * specials.size());
System.out.println(
"calculateAndSave integers finished! all size: " + normals.size() * specials.size());
for (int i = 0; i < specials.size(); i++) {
for (int j = 0; j < normals.size(); j++) {
final SimpleLottery simpleLottery = new SimpleLottery(normals.get(j), specials.get(i));
if (noFilter) {
allLotteries.add(simpleLottery);
} else if (!hasTooMuchSequence(normals.get(j), type)) {
int sum = sum(simpleLottery);
int odd = odd(normals.get(j));
if (type == Lottery.Type.DLT) {
// dlt 从57 < sum < 157
if (sum >= 157 || sum <= 57) {
continue;
}
} else {
// ssq 从63 < sum < 161
if (sum >= 161 || sum <= 63) {
continue;
}
}
allLotteries.add(simpleLottery);
}
}
}
System.out.println("all lotteries ready: size: " + allLotteries.size());
return allLotteries;
}
public List<Lottery> select(List<Lottery> tempBuffer, int count, TimeToGoHome timeToGoHome) {
if (tempBuffer == null || count < 0 || count > tempBuffer.size()) {
return null;
}
float[] rate = calculateTimeToHomeRate(timeToGoHome);
tempBuffer = filterTempBuffer(tempBuffer);
final List<Lottery> result = new ArrayList<>();
for (int i = 0; i < count; i++) {
final int startIndex =
NumUtils.calculateIndexWithWeight(rate, com.qqdd.lottery.utils.Random.getInstance());
final int range = tempBuffer.size() / rate.length;
final int startFrom = startIndex * range;
final int index = com.qqdd.lottery.utils.Random.getInstance().nextInt(range) + startFrom;
System.out.println("selected index: " + index);
result.add(tempBuffer.get(index % tempBuffer.size()));
// for (int i = 0; i < count; i++) {
// result.add(tempBuffer.get((index + i) % tempBuffer.size()));
// }
}
return result;
}