private int sum(HistoryItem lottery) {
int result = 0;
final List<Integer> normals = lottery.getNormals();
for (int i = 0; i < normals.size(); i++) {
result += normals.get(i);
}
final List<Integer> specials = lottery.getSpecials();
for (int i = 0; i < specials.size(); i++) {
result += specials.get(i);
}
return result;
}
public void historySumDistribution(Lottery.Type type) {
try {
List<KeyValuePair> sum = new ArrayList<>();
List<KeyValuePair> av = new ArrayList<>();
List<KeyValuePair> av5 = new ArrayList<>();
List<KeyValuePair> av10 = new ArrayList<>();
List<HistoryItem> items = new History(mRoot).load(type);
Collections.reverse(items);
double total = 0;
StringBuilder x = new StringBuilder();
StringBuilder y = new StringBuilder();
x.append("[");
y.append("[");
for (int i = items.size() * 4 / 5; i < items.size(); i++) {
final HistoryItem item = items.get(i);
sum.add(new KeyValuePair(item.getDateDisplay(), sum(item)));
x.append(i);
y.append(sum(item));
if (i < items.size() - 1) {
x.append(",");
y.append(",");
}
total += sum(item);
av.add(new KeyValuePair(item.getDateDisplay(), (float) (total / sum.size())));
double total5 = 0;
for (int j = i; j > i - 5; j--) {
total5 += sum(items.get(j));
}
av5.add(new KeyValuePair(item.getDateDisplay(), (float) (total5 / 5)));
double total10 = 0;
for (int j = i; j > i - 10; j--) {
total10 += sum(items.get(j));
}
av10.add(new KeyValuePair(item.getDateDisplay(), (float) (total10 / 10)));
}
x.append("];");
y.append("];");
SimpleIOUtils.saveToFile(new File(mRoot, type + "disx"), x.toString());
SimpleIOUtils.saveToFile(new File(mRoot, type + "disy"), y.toString());
SimpleIOUtils.saveToFile(
new File(mRoot, type + "_sum_line"), KeyValuePair.toArray(sum).toString());
SimpleIOUtils.saveToFile(
new File(mRoot, type + "_sum_line_av"), KeyValuePair.toArray(av).toString());
SimpleIOUtils.saveToFile(
new File(mRoot, type + "_sum_line_av5"), KeyValuePair.toArray(av5).toString());
SimpleIOUtils.saveToFile(
new File(mRoot, type + "_sum_line_av10"), KeyValuePair.toArray(av10).toString());
} catch (DataSource.DataLoadingException | IOException e) {
e.printStackTrace();
}
}
protected List<HistoryItem> loadFromLocal() throws DataSource.DataLoadingException {
final File cacheFile = getCacheFile(mType);
try {
final String content = SimpleIOUtils.loadContent(new FileInputStream(cacheFile));
final JSONArray jsonArray = new JSONArray(content);
final List<HistoryItem> records = new ArrayList<>();
for (int i = 0; i < jsonArray.length(); i++) {
final JSONObject json = jsonArray.getJSONObject(i);
final HistoryItem record = HistoryItem.fromJson(json);
if (record != null) {
records.add(record);
}
}
if (records.isEmpty()) {
return records;
} else {
final HistoryItem firstCache = records.get(0);
final Date date = firstCache.getDate();
final long deltaTime = System.currentTimeMillis() - date.getTime();
int dayOfWeek = 3;
if (mType == Lottery.Type.SSQ) {
dayOfWeek = 4;
}
if (deltaTime < 2 * ONE_DAY
// 周3是3.
|| (date.getDay() == dayOfWeek && deltaTime < 3 * ONE_DAY)) {
// mDLTs = lotteryRecords;
mHistoryCache.put(mType, records);
return mHistoryCache.get(mType);
}
final List<HistoryItem> newer = mDataSource.getNewSince(records.get(0));
records.addAll(0, newer);
mHistoryCache.put(mType, records);
saveToLocal();
return records;
}
} catch (IOException | JSONException ignored) {
}
return null;
}