| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.alibaba.jstorm.utils; |
| |
| import backtype.storm.utils.Time; |
| import com.alibaba.jstorm.metric.AsmWindow; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Calendar; |
| import java.util.Date; |
| |
| /** |
| * Time utils |
| * |
| * @author yannian |
| */ |
| public class TimeUtils { |
| |
| public static final long NS_PER_MS = 1000000L; |
| |
| /** |
| * Take care of int overflow |
| */ |
| public static int current_time_secs() { |
| return (int) (Time.currentTimeMillis() / 1000); |
| } |
| |
| /** |
| * Take care of int overflow |
| */ |
| public static int time_delta(int time_secs) { |
| return current_time_secs() - time_secs; |
| } |
| |
| public static long time_delta_ms(long time_ms) { |
| return System.currentTimeMillis() - time_ms; |
| } |
| |
| public static final long NS_PER_US = 1000l; |
| |
| public static final int ONE_SEC = 1; |
| public static final int SEC_PER_MIN = 60; |
| public static final int SEC_PER_DAY = 86400; |
| |
| public static boolean isTimeAligned() { |
| return current_time_secs() % SEC_PER_DAY % SEC_PER_MIN == 0; |
| } |
| |
| public static int secOffset() { |
| return current_time_secs() % SEC_PER_DAY % SEC_PER_MIN; |
| } |
| |
| public static int secOffset(long ts) { |
| return (int) (ts % SEC_PER_DAY % SEC_PER_MIN); |
| } |
| |
| public static int winSecOffset(long ts, int window) { |
| return (int) (ts / 1000 % SEC_PER_DAY % window); |
| } |
| |
| public static long alignTimeToWin(long ts, int win) { |
| if (win != AsmWindow.D1_WINDOW) { |
| long curTimeSec = ts / 1000; |
| return (curTimeSec - curTimeSec % win) * 1000; |
| } else { |
| Calendar cal = Calendar.getInstance(); |
| cal.setTimeInMillis(ts); |
| int year = cal.get(Calendar.YEAR); |
| int month = cal.get(Calendar.MONTH); |
| int day = cal.get(Calendar.DAY_OF_MONTH); |
| int hour = cal.get(Calendar.HOUR); |
| int min = cal.get(Calendar.MINUTE); |
| int sec = cal.get(Calendar.SECOND); |
| if (sec + min + hour > 0) { |
| cal.set(year, month, day + 1, 0, 0, 0); |
| } |
| return cal.getTimeInMillis(); |
| } |
| } |
| |
| public static long alignTimeToMin(long ts) { |
| return alignTimeToWin(ts, AsmWindow.M1_WINDOW); |
| } |
| |
| public static String toTimeStr(Date time) { |
| int hour = time.getHours(); |
| int min = time.getMinutes(); |
| StringBuilder sb = new StringBuilder(); |
| if (hour < 10) { |
| sb.append(0).append(hour); |
| } else { |
| sb.append(hour); |
| } |
| sb.append(":"); |
| if (min < 10) { |
| sb.append(0).append(min); |
| } else { |
| sb.append(min); |
| } |
| return sb.toString(); |
| } |
| |
| public static String format(int curTimeSec) { |
| return format(new Date(curTimeSec * 1000L), "yyyy-MM-dd HH:mm:ss"); |
| } |
| |
| public static String format(Date time, String fmt) { |
| SimpleDateFormat df = new SimpleDateFormat(fmt); |
| return df.format(time); |
| } |
| |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println(new Date(alignTimeToWin(System.currentTimeMillis(), AsmWindow.M1_WINDOW))); |
| System.out.println(new Date(alignTimeToWin(System.currentTimeMillis(), AsmWindow.M10_WINDOW))); |
| System.out.println(new Date(alignTimeToWin(System.currentTimeMillis(), AsmWindow.H2_WINDOW))); |
| System.out.println(new Date(alignTimeToWin(System.currentTimeMillis(), AsmWindow.D1_WINDOW))); |
| |
| Calendar cal = Calendar.getInstance(); |
| cal.set(2015, 6, 23, 0, 0, 0); |
| System.out.println(new Date(alignTimeToWin(cal.getTimeInMillis(), AsmWindow.D1_WINDOW))); |
| |
| System.out.println(format(TimeUtils.current_time_secs())); |
| } |
| } |