// @VisibleForTesting
DateTime getNthDOWOfMonth(DateTime midnightTomorrow, Integer nthOfMonth, Integer dow) {
int dtconstDow = dow == 0 ? 7 : dow;
DateTime first = midnightTomorrow.withDayOfMonth(1);
if (first.getDayOfWeek() > dtconstDow) {
return first.plusWeeks(nthOfMonth).withDayOfWeek(dtconstDow);
} else {
return first.plusWeeks(nthOfMonth - 1).withDayOfWeek(dtconstDow);
}
}
protected static RubyTime s_mload(IRubyObject recv, RubyTime time, IRubyObject from) {
Ruby runtime = recv.getRuntime();
DateTime dt = new DateTime(DateTimeZone.UTC);
byte[] fromAsBytes = null;
fromAsBytes = from.convertToString().getBytes();
if (fromAsBytes.length != 8) {
throw runtime.newTypeError("marshaled time format differ");
}
int p = 0;
int s = 0;
for (int i = 0; i < 4; i++) {
p |= ((int) fromAsBytes[i] & 0xFF) << (8 * i);
}
for (int i = 4; i < 8; i++) {
s |= ((int) fromAsBytes[i] & 0xFF) << (8 * (i - 4));
}
boolean utc = false;
if ((p & (1 << 31)) == 0) {
dt = dt.withMillis(p * 1000L);
time.setUSec((s & 0xFFFFF) % 1000);
} else {
p &= ~(1 << 31);
utc = ((p >>> 30 & 0x1) == 0x1);
dt = dt.withYear(((p >>> 14) & 0xFFFF) + 1900);
dt = dt.withMonthOfYear(((p >>> 10) & 0xF) + 1);
dt = dt.withDayOfMonth(((p >>> 5) & 0x1F));
dt = dt.withHourOfDay((p & 0x1F));
dt = dt.withMinuteOfHour(((s >>> 26) & 0x3F));
dt = dt.withSecondOfMinute(((s >>> 20) & 0x3F));
// marsaling dumps usec, not msec
dt = dt.withMillisOfSecond((s & 0xFFFFF) / 1000);
time.setUSec((s & 0xFFFFF) % 1000);
}
time.setDateTime(dt);
if (!utc) time.localtime();
from.getInstanceVariables().copyInstanceVariablesInto(time);
return time;
}
public static void backAllByPage(Session sessionBase, Connection countCon) throws SQLException {
String oriTbName = "log_search_pos_keyword"; // 原表名
// 查出5月份最大id
String yearMonth = "201405";
DateTime dateTime = DateTime.parse(yearMonth, DateTimeFormat.forPattern("yyyyMM"));
dateTime =
dateTime
.withDayOfMonth(dateTime.dayOfMonth().getMaximumValue()) // 最大日期
.withHourOfDay(23)
.withMinuteOfHour(59)
.withSecondOfMinute(59);
Query maxIdQueryOriTb =
sessionBase.createSQLQuery(
"select max(id) from "
+ oriTbName
+ " where cre_date <= '"
+ dateTime.toString("yyyy-MM-dd HH:mm:ss")
+ "'");
Integer maxId = ((BigInteger) maxIdQueryOriTb.uniqueResult()).intValue();
// 查出当前备份库中最大id，没有当然为0
Statement maxIdBackStatement = countCon.createStatement();
ResultSet rsMaxIdBack =
maxIdBackStatement.executeQuery("select max(id) from " + BackSearchKeywordTbName);
Integer maxIdBack = 0;
if (rsMaxIdBack.next()) {
maxIdBack = rsMaxIdBack.getInt(1);
maxIdBack = maxIdBack == null ? 0 : maxIdBack;
}
maxIdBack = maxIdBack == null ? 0 : maxIdBack;
Integer curRangeMaxId = maxIdBack + 10000; // 当前查询范围id
// 每次范围为当前备份最大id+10000查询（若大于5月最大id为5月最大id）（不一定10000条）
Query listDataQuery =
sessionBase.createSQLQuery(
"select id,keyword,pos_type,cre_date from "
+ oriTbName
+ " where id > ? and id <= ? ");
// 插入每页的每条数据（每条插入前检查是否存在当月的分区，并且更新备份库的最大id）
String insertSql = "insert into " + BackSearchKeywordTbName + " values(?,?,?,?)";
PreparedStatement ps = null;
try {
ps = countCon.prepareStatement(insertSql);
Set<String> yearMonthCache = Sets.newHashSet();
while (maxIdBack < maxId) {
listDataQuery.setParameter(0, maxIdBack);
listDataQuery.setParameter(1, curRangeMaxId);
long b = new Date().getTime();
List<Object[]> data = listDataQuery.list();
logger.info("查询【" + data.size() + "】条数据,耗时【" + (new Date().getTime() - b) + "】毫秒");
sessionBase.clear();
Integer tempMaxId = batchInsertData(data, countCon, ps, yearMonthCache);
maxIdBack = tempMaxId == 0 ? curRangeMaxId : tempMaxId;
curRangeMaxId = maxIdBack + 10000 > maxId ? maxId : maxIdBack + 10000;
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
} finally {
if (ps != null) {
ps.close();
}
}
}
private void setupDate() {
DateTime date = DateTime.now();
date = date.withDayOfMonth(1);
setDate(date);
mCalendarPager.setCurrentCalendar(date);
}