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src/main/java/com/netflix/simianarmy/basic/calendars/BavarianCalendar.java
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| /* | ||
| * | ||
| * Copyright 2012 Netflix, Inc. | ||
| * | ||
| * Licensed 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 | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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.netflix.simianarmy.basic.calendars; | ||
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| import com.netflix.simianarmy.MonkeyConfiguration; | ||
| import com.netflix.simianarmy.basic.BasicCalendar; | ||
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| import java.util.Arrays; | ||
| import java.util.Calendar; | ||
| import java.util.Collection; | ||
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| // CHECKSTYLE IGNORE MagicNumberCheck | ||
| /** | ||
| * The Class BavarianCalendar. | ||
| */ | ||
| public class BavarianCalendar extends BasicCalendar | ||
| { | ||
| /** | ||
| * Instantiates a new basic calendar. | ||
| * | ||
| * @param cfg the monkey configuration | ||
| */ | ||
| public BavarianCalendar(MonkeyConfiguration cfg) | ||
| { | ||
| super(cfg); | ||
| } | ||
|
|
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| /** {@inheritDoc} */ | ||
| @Override | ||
| protected void loadHolidays(int year) { | ||
| holidays.clear(); | ||
|
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| // these aren't all strictly holidays, but days when engineers will likely | ||
| // not be in the office to respond to rampaging monkeys | ||
|
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| // first of all, we need easter sunday doy, | ||
| // because ome other holidays calculated from it | ||
| int easter = westernEasterDayOfYear(year); | ||
|
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| // new year | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.JANUARY, 1))); | ||
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| // epiphanie | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.JANUARY, 6))); | ||
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| // good friday, always friday, don't need to check if it's bridge day | ||
| holidays.add(easter - 2); | ||
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| // easter monday, always monday, don't need to check if it's bridge day | ||
| holidays.add(easter + 1); | ||
|
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| // labor day | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.MAY, 1))); | ||
|
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| // ascension day | ||
| holidays.addAll(getHolidayWithBridgeDays(year, easter + 39)); | ||
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| // whit monday, always monday, don't need to check if it's bridge day | ||
| holidays.add(easter + 50); | ||
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| // corpus christi | ||
| holidays.add(westernEasterDayOfYear(year) + 60); | ||
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| // assumption day | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.AUGUST, 15))); | ||
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| // german unity day | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.OCTOBER, 3))); | ||
|
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| // all saints | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.NOVEMBER, 1))); | ||
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| // monkey goes on christmas vacations between christmas and new year! | ||
| holidays.addAll(getHolidayWithBridgeDays(year, dayOfYear(year, Calendar.DECEMBER, 24))); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 25)); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 26)); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 27)); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 28)); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 29)); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 30)); | ||
| holidays.add(dayOfYear(year, Calendar.DECEMBER, 31)); | ||
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| // mark the holiday set with the year, so on Jan 1 it will automatically | ||
| // recalculate the holidays for next year | ||
| holidays.add(year); | ||
| } | ||
|
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| /** | ||
| * Returns collection of holidays, including Monday or Friday | ||
| * if given holiday is Thuesday or Thursday. | ||
| * | ||
| * The behaviour to take Monday as day off if official holiday is Thuesday | ||
| * and to take Friday as day off if official holiday is Thursday | ||
| * is specific to [at least] Germany. | ||
| * We call it, literally, "bridge day". | ||
| * | ||
| * @param dayOfYear holiday day of year | ||
| */ | ||
| private Collection<Integer> getHolidayWithBridgeDays(int year, int dayOfYear) { | ||
| Calendar holiday = now(); | ||
| holiday.set(Calendar.YEAR, year); | ||
| holiday.set(Calendar.DAY_OF_YEAR, dayOfYear); | ||
| int dow = holiday.get(Calendar.DAY_OF_WEEK); | ||
| int mon = holiday.get(Calendar.MONTH); | ||
| int dom = holiday.get(Calendar.DAY_OF_MONTH); | ||
|
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| // We don't want to include Monday if Thuesday is January 1. | ||
| if (dow == Calendar.TUESDAY && dayOfYear != 1) | ||
| return Arrays.asList(dayOfYear, dayOfYear - 1); | ||
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| // We don't want to include Friday if Thursday is December 31. | ||
| if (dow == Calendar.THURSDAY && (mon != Calendar.DECEMBER || dom != 31)) | ||
| return Arrays.asList(dayOfYear, dayOfYear + 1); | ||
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| return Arrays.asList(dayOfYear); | ||
| } | ||
|
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| /** | ||
| * Western easter sunday in year. | ||
| * | ||
| * @param year | ||
| * the year | ||
| * @return the day of the year of western easter sunday | ||
| */ | ||
| protected int westernEasterDayOfYear(int year) { | ||
| int a = year % 19, | ||
| b = year / 100, | ||
| c = year % 100, | ||
| d = b / 4, | ||
| e = b % 4, | ||
| g = (8 * b + 13) / 25, | ||
| h = (19 * a + b - d - g + 15) % 30, | ||
| j = c / 4, | ||
| k = c % 4, | ||
| m = (a + 11 * h) / 319, | ||
| r = (2 * e + 2 * j - k - h + m + 32) % 7; | ||
| int oneBasedMonth = (h - m + r + 90) / 25; | ||
| int dayOfYear = (h - m + r + oneBasedMonth + 19) % 32; | ||
| return dayOfYear(year, oneBasedMonth - 1, dayOfYear); | ||
| } | ||
|
|
||
| } |
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