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SPR-6170 updated CronSequenceGenerator according to patch applied to the 1.0.x branch of Spring Integration

This commit is contained in:
Mark Fisher 2009-10-14 22:22:21 +00:00
parent 62d7369607
commit bc207042d0
2 changed files with 493 additions and 15 deletions
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48
org.springframework.context/src/main/java/org/springframework/scheduling/support/CronSequenceGenerator.java
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@ -16,10 +16,13 @@
package org.springframework.scheduling.support;
import java.util.ArrayList;
import java.util.BitSet;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
import org.springframework.util.StringUtils;
@ -90,41 +93,55 @@ class CronSequenceGenerator {
calendar.add(Calendar.SECOND, 1);
calendar.set(Calendar.MILLISECOND, 0);
List<Integer> resets = new ArrayList<Integer>();
int second = calendar.get(Calendar.SECOND);
findNext(this.seconds, second, 60, calendar, Calendar.SECOND);
int updateSecond = findNext(this.seconds, second, 60, calendar, Calendar.SECOND, Collections.<Integer> emptyList());
if (second == updateSecond) {
resets.add(Calendar.SECOND);
}
int minute = calendar.get(Calendar.MINUTE);
findNext(this.minutes, minute, 60, calendar, Calendar.MINUTE, Calendar.SECOND);
int updateMinute = findNext(this.minutes, minute, 60, calendar, Calendar.MINUTE, resets);
if (minute == updateMinute) {
resets.add(Calendar.MINUTE);
}
int hour = calendar.get(Calendar.HOUR_OF_DAY);
findNext(this.hours, hour, 24, calendar, Calendar.HOUR_OF_DAY, Calendar.MINUTE, Calendar.SECOND);
int updateHour = findNext(this.hours, hour, 24, calendar, Calendar.HOUR_OF_DAY, resets);
if (hour == updateHour) {
resets.add(Calendar.HOUR_OF_DAY);
}
int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
findNextDay(calendar, this.daysOfMonth, dayOfMonth, daysOfWeek, dayOfWeek, 366);
int updateDayOfMonth = findNextDay(calendar, this.daysOfMonth, dayOfMonth, daysOfWeek, dayOfWeek, 366, resets);
if (dayOfMonth == updateDayOfMonth) {
resets.add(Calendar.DAY_OF_MONTH);
}
int month = calendar.get(Calendar.MONTH);
findNext(this.months, month, 12, calendar, Calendar.MONTH, Calendar.DAY_OF_MONTH, Calendar.HOUR_OF_DAY,
Calendar.MINUTE, Calendar.SECOND);
month = findNext(this.months, month, 12, calendar, Calendar.MONTH, resets);
return calendar.getTime();
}
private void findNextDay(
Calendar calendar, BitSet daysOfMonth, int dayOfMonth, BitSet daysOfWeek, int dayOfWeek, int max) {
private int findNextDay(Calendar calendar, BitSet daysOfMonth, int dayOfMonth, BitSet daysOfWeek,
int dayOfWeek, int max, List<Integer> resets) {
int count = 0;
// the DAY_OF_WEEK values in java.util.Calendar start with 1 (Sunday),
// but in the cron pattern, they start with 0, so we subtract 1 here
while ((!daysOfMonth.get(dayOfMonth) || !daysOfWeek.get(dayOfWeek-1)) && count++ < max) {
while ((!daysOfMonth.get(dayOfMonth) || !daysOfWeek.get(dayOfWeek - 1)) && count++ < max) {
calendar.add(Calendar.DAY_OF_MONTH, 1);
dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
reset(calendar, Calendar.HOUR_OF_DAY, Calendar.MINUTE, Calendar.SECOND);
reset(calendar, resets);
}
if (count > max) {
throw new IllegalStateException("Overflow in day for expression=" + this.expression);
}
return dayOfMonth;
}
/**
@ -140,9 +157,9 @@ class CronSequenceGenerator {
* ones of lower significance than the field of interest)
* @return the value of the calendar field that is next in the sequence
*/
private void findNext(BitSet bits, int value, int max, Calendar calendar, int field, int... lowerOrders) {
private int findNext(BitSet bits, int value, int max, Calendar calendar, int field, List<Integer> lowerOrders) {
int nextValue = bits.nextSetBit(value);
//roll over if needed
// roll over if needed
if (nextValue == -1) {
calendar.add(field, max - value);
nextValue = bits.nextSetBit(0);
@ -151,12 +168,13 @@ class CronSequenceGenerator {
calendar.set(field, nextValue);
reset(calendar, lowerOrders);
}
return nextValue;
}
/**
* Reset the calendar setting all the fields provided to zero.
*/
private void reset(Calendar calendar, int... fields) {
private void reset(Calendar calendar, List<Integer> fields) {
for (int field : fields) {
calendar.set(field, 0);
}
@ -203,7 +221,7 @@ class CronSequenceGenerator {
private void setDaysOfMonth(BitSet bits, String field, int max) {
// Days of month start with 1 (in Cron and Calendar) so add one
setDays(bits, field, max+1);
setDays(bits, field, max + 1);
// ... and remove it from the front
bits.clear(0);
}
@ -244,7 +262,7 @@ class CronSequenceGenerator {
int[] result = new int[2];
if (field.contains("*")) {
result[0] = 0;
result[1] = max-1;
result[1] = max - 1;
return result;
}
if (!field.contains("-")) {

460
org.springframework.context/src/test/java/org/springframework/scheduling/support/CronTriggerTests.java Normal file
View File

@ -0,0 +1,460 @@
/*
* Copyright 2002-2009 the original author or authors.
*
* 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 org.springframework.scheduling.support;
import static org.junit.Assert.assertEquals;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.junit.Before;
import org.junit.Test;
import org.springframework.scheduling.TriggerContext;
/**
* @author Dave Syer
* @author Mark Fisher
*/
public class CronTriggerTests {
private Calendar calendar = new GregorianCalendar();
private Date date = new Date();
/**
* @param calendar
*/
private void roundup(Calendar calendar) {
calendar.add(Calendar.SECOND, 1);
calendar.set(Calendar.MILLISECOND, 0);
}
@Before
public void setUp() {
calendar.setTime(date);
roundup(calendar);
}
@Test
public void testMatchAll() throws Exception {
CronTrigger trigger = new CronTrigger("* * * * * *");
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testMatchLastSecond() throws Exception {
CronTrigger trigger = new CronTrigger("* * * * * *");
GregorianCalendar calendar = new GregorianCalendar();
calendar.set(Calendar.SECOND, 58);
assertMatchesNextSecond(trigger, calendar);
}
@Test
public void testMatchSpecificSecond() throws Exception {
CronTrigger trigger = new CronTrigger("10 * * * * *");
GregorianCalendar calendar = new GregorianCalendar();
calendar.set(Calendar.SECOND, 9);
assertMatchesNextSecond(trigger, calendar);
}
@Test
public void testIncrementSecondByOne() throws Exception {
CronTrigger trigger = new CronTrigger("11 * * * * *");
calendar.set(Calendar.SECOND, 10);
Date date = calendar.getTime();
calendar.add(Calendar.SECOND, 1);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testIncrementSecondAndRollover() throws Exception {
CronTrigger trigger = new CronTrigger("10 * * * * *");
calendar.set(Calendar.SECOND, 11);
Date date = calendar.getTime();
calendar.add(Calendar.SECOND, 59);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testSecondRange() throws Exception {
CronTrigger trigger = new CronTrigger("10-15 * * * * *");
calendar.set(Calendar.SECOND, 9);
assertMatchesNextSecond(trigger, calendar);
calendar.set(Calendar.SECOND, 14);
assertMatchesNextSecond(trigger, calendar);
}
@Test
public void testIncrementMinuteByOne() throws Exception {
CronTrigger trigger = new CronTrigger("0 11 * * * *");
calendar.set(Calendar.MINUTE, 10);
Date date = calendar.getTime();
calendar.add(Calendar.MINUTE, 1);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testIncrementMinute() throws Exception {
CronTrigger trigger = new CronTrigger("0 * * * * *");
calendar.set(Calendar.MINUTE, 10);
Date date = calendar.getTime();
calendar.add(Calendar.MINUTE, 1);
calendar.set(Calendar.SECOND, 0);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
calendar.add(Calendar.MINUTE, 1);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context2));
}
@Test
public void testIncrementMinuteAndRollover() throws Exception {
CronTrigger trigger = new CronTrigger("0 10 * * * *");
calendar.set(Calendar.MINUTE, 11);
calendar.set(Calendar.SECOND, 0);
Date date = calendar.getTime();
calendar.add(Calendar.MINUTE, 59);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testIncrementHour() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 * * * *");
calendar.set(Calendar.MONTH, 9);
calendar.set(Calendar.DAY_OF_MONTH, 30);
calendar.set(Calendar.HOUR_OF_DAY, 11);
calendar.set(Calendar.MINUTE, 1);
calendar.set(Calendar.SECOND, 0);
Date date = calendar.getTime();
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.HOUR_OF_DAY, 12);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
calendar.set(Calendar.HOUR_OF_DAY, 13);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context2));
}
@Test
public void testIncrementDayOfMonth() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 0 * * *");
calendar.set(Calendar.DAY_OF_MONTH, 1);
Date date = calendar.getTime();
calendar.add(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
assertEquals(2, calendar.get(Calendar.DAY_OF_MONTH));
calendar.add(Calendar.DAY_OF_MONTH, 1);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context2));
assertEquals(3, calendar.get(Calendar.DAY_OF_MONTH));
}
@Test
public void testIncrementDayOfMonthByOne() throws Exception {
CronTrigger trigger = new CronTrigger("* * * 10 * *");
calendar.set(Calendar.DAY_OF_MONTH, 9);
Date date = calendar.getTime();
calendar.add(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testIncrementDayOfMonthAndRollover() throws Exception {
CronTrigger trigger = new CronTrigger("* * * 10 * *");
calendar.set(Calendar.DAY_OF_MONTH, 11);
Date date = calendar.getTime();
calendar.add(Calendar.MONTH, 1);
calendar.set(Calendar.DAY_OF_MONTH, 10);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testDailyTriggerInShortMonth() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 0 * * *");
calendar.set(Calendar.MONTH, 8); // September: 30 days
calendar.set(Calendar.DAY_OF_MONTH, 30);
Date date = calendar.getTime();
calendar.set(Calendar.MONTH, 9); // October
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.DAY_OF_MONTH, 1);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
calendar.set(Calendar.DAY_OF_MONTH, 2);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context2));
}
@Test
public void testDailyTriggerInLongMonth() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 0 * * *");
calendar.set(Calendar.MONTH, 9); // October: 31 days
calendar.set(Calendar.DAY_OF_MONTH, 30);
Date date = calendar.getTime();
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.DAY_OF_MONTH, 31);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
calendar.set(Calendar.MONTH, 10); // November
calendar.set(Calendar.DAY_OF_MONTH, 1);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context2));
}
@Test
public void testIncrementMonth() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 0 1 * *");
calendar.set(Calendar.MONTH, 9);
calendar.set(Calendar.DAY_OF_MONTH, 30);
Date date = calendar.getTime();
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MONTH, 10);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
calendar.set(Calendar.MONTH, 11);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context2));
}
@Test
public void testMonthlyTriggerInLongMonth() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 0 31 * *");
calendar.set(Calendar.MONTH, 9);
calendar.set(Calendar.DAY_OF_MONTH, 30);
Date date = calendar.getTime();
calendar.set(Calendar.DAY_OF_MONTH, 31);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testMonthlyTriggerInShortMonth() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 0 1 * *");
calendar.set(Calendar.MONTH, 9);
calendar.set(Calendar.DAY_OF_MONTH, 30);
Date date = calendar.getTime();
calendar.set(Calendar.MONTH, 10);
calendar.set(Calendar.DAY_OF_MONTH, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
@Test
public void testIncrementDayOfWeekByOne() throws Exception {
CronTrigger trigger = new CronTrigger("* * * * * 2");
calendar.set(Calendar.DAY_OF_WEEK, 2);
Date date = calendar.getTime();
calendar.add(Calendar.DAY_OF_WEEK, 1);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
assertEquals(Calendar.TUESDAY, calendar.get(Calendar.DAY_OF_WEEK));
}
@Test
public void testIncrementDayOfWeekAndRollover() throws Exception {
CronTrigger trigger = new CronTrigger("* * * * * 2");
calendar.set(Calendar.DAY_OF_WEEK, 4);
Date date = calendar.getTime();
calendar.add(Calendar.DAY_OF_MONTH, 6);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
assertEquals(Calendar.TUESDAY, calendar.get(Calendar.DAY_OF_WEEK));
}
@Test
public void testSpecificMinuteSecond() throws Exception {
CronTrigger trigger = new CronTrigger("2 5 * * * *");
calendar.set(Calendar.MINUTE, 4);
Date date = calendar.getTime();
calendar.add(Calendar.MINUTE, 1);
calendar.set(Calendar.SECOND, 2);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
calendar.add(Calendar.HOUR, 1);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context2));
}
@Test
public void testSpecificMinuteHour() throws Exception {
CronTrigger trigger = new CronTrigger("* 5 10 * * *");
calendar.set(Calendar.MINUTE, 4);
calendar.set(Calendar.HOUR_OF_DAY, 9);
Date date = calendar.getTime();
calendar.add(Calendar.MINUTE, 1);
calendar.add(Calendar.HOUR_OF_DAY, 1);
calendar.set(Calendar.SECOND, 0);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
// next trigger is in one second because second is wildcard
calendar.add(Calendar.SECOND, 1);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context2));
}
@Test
public void testWeekDaySequence() throws Exception {
CronTrigger trigger = new CronTrigger("0 0 7 ? * MON-FRI");
// This is a Saturday
calendar.set(2009, 8, 26);
date = calendar.getTime();
// 7 am is the trigger time
calendar.set(Calendar.HOUR_OF_DAY, 7);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
// Add two days because we start on Saturday
calendar.add(Calendar.DAY_OF_MONTH, 2);
TriggerContext context1 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context1));
// Next day is a week day so add one
calendar.add(Calendar.DAY_OF_MONTH, 1);
TriggerContext context2 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context2));
calendar.add(Calendar.DAY_OF_MONTH, 1);
TriggerContext context3 = getTriggerContext(date);
assertEquals(calendar.getTime(), date = trigger.nextExecutionTime(context3));
}
@Test
public void testDayOfWeekIndifferent() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * 2 * *");
CronTrigger trigger2 = new CronTrigger("* * * 2 * ?");
assertEquals(trigger1, trigger2);
}
@Test
public void testSecondIncrementer() throws Exception {
CronTrigger trigger1 = new CronTrigger("57,59 * * * * *");
CronTrigger trigger2 = new CronTrigger("57/2 * * * * *");
assertEquals(trigger1, trigger2);
}
@Test
public void testSecondIncrementerWithRange() throws Exception {
CronTrigger trigger1 = new CronTrigger("1,3,5 * * * * *");
CronTrigger trigger2 = new CronTrigger("1-6/2 * * * * *");
assertEquals(trigger1, trigger2);
}
@Test
public void testHourIncrementer() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * 4,8,12,16,20 * * *");
CronTrigger trigger2 = new CronTrigger("* * 4/4 * * *");
assertEquals(trigger1, trigger2);
}
@Test
public void testDayNames() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * * * 0-6");
CronTrigger trigger2 = new CronTrigger("* * * * * TUE,WED,THU,FRI,SAT,SUN,MON");
assertEquals(trigger1, trigger2);
}
@Test
public void testSundayIsZero() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * * * 0");
CronTrigger trigger2 = new CronTrigger("* * * * * SUN");
assertEquals(trigger1, trigger2);
}
@Test
public void testSundaySynonym() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * * * 0");
CronTrigger trigger2 = new CronTrigger("* * * * * 7");
assertEquals(trigger1, trigger2);
}
@Test
public void testMonthNames() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * * 0-11 *");
CronTrigger trigger2 = new CronTrigger("* * * * FEB,JAN,MAR,APR,MAY,JUN,JUL,AUG,SEP,OCT,NOV,DEC *");
assertEquals(trigger1, trigger2);
}
@Test
public void testMonthNamesMixedCase() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * * 1 *");
CronTrigger trigger2 = new CronTrigger("* * * * Feb *");
assertEquals(trigger1, trigger2);
}
@Test
public void testWhitespace() throws Exception {
CronTrigger trigger1 = new CronTrigger("* * * * 1 *");
CronTrigger trigger2 = new CronTrigger("* * * * 1 *");
assertEquals(trigger1, trigger2);
}
/**
* @param trigger
* @param calendar
*/
private void assertMatchesNextSecond(CronTrigger trigger, Calendar calendar) {
Date date = calendar.getTime();
roundup(calendar);
TriggerContext context = getTriggerContext(date);
assertEquals(calendar.getTime(), trigger.nextExecutionTime(context));
}
private static TriggerContext getTriggerContext(Date lastCompletionTime) {
SimpleTriggerContext context = new SimpleTriggerContext();
context.update(null, null, lastCompletionTime);
return context;
}
}