Java CronDefinitionBuilder类代码示例

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
private boolean isValidCron(String s) {
    boolean isValid = false;
    CronDefinition cronD =
            CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX);
    CronParser parser = new CronParser(cronD);
    com.cronutils.model.Cron cron = null;
    try {
        cron = parser.parse(s);
    } catch (IllegalArgumentException e) {
        LOG.debug("Cron parsing failed!",e);
    }
    if (cron != null) {
        isValid = true;
    }
    return isValid;
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
@Test
   public void test() {
       CronDefinition def = CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX);
       CronParser parser = new CronParser(def);

       Cron cron = parser.parse(cronText);
       ExecutionTime et = ExecutionTime.forCron(cron);

       ZonedDateTime vs = ZonedDateTime.of(2017, 12, 1, 9, 30, 0, 0, ZONE);
       assertEquals(DayOfWeek.FRIDAY, vs.getDayOfWeek());

       // Last match prior to our reference time
       ZonedDateTime expected = ZonedDateTime.of(2017, 11, 30, 18, 15, 0, 0, ZONE);
       assertEquals(DayOfWeek.THURSDAY, expected.getDayOfWeek());

Optional<ZonedDateTime> lastExecution = et.lastExecution(vs);
if (lastExecution.isPresent()) {
    ZonedDateTime actual = lastExecution.get();
    assertEquals(expected, actual);
} else {
    fail("last execution was not present");
}
   }
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
@Test
public void testMustMatchCronEvenIfNanoSecondsVaries() {
    final CronDefinition cronDefinition =
            CronDefinitionBuilder.instanceDefinitionFor(QUARTZ);

    final CronParser parser = new CronParser(cronDefinition);
    final Cron quartzCron = parser.parse("00 00 10 * * ?");

    quartzCron.validate();

    // NOTE: Off by 3 nano seconds
    final ZonedDateTime zdt = ZonedDateTime.of(1999, 07, 18, 10, 00, 00, 03, ZoneId.systemDefault());

    // Must be true
    assertTrue("Nano seconds must not affect matching of Cron Expressions", ExecutionTime.forCron(quartzCron).isMatch(zdt));
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #154: Quartz Cron Year Pattern is not fully supported - i.e. increments on years are not supported
 * https://github.com/jmrozanec/cron-utils/issues/154
 * Duplicate of #148
 */
@Test
public void supportQuartzCronExpressionIncrementsOnYears() {
    final String[] sampleCronExpressions = {
            "0 0 0 1 * ? 2017/2",
            "0 0 0 1 * ? 2017/3",
            "0 0 0 1 * ? 2017/10",
            "0 0 0 1 * ? 2017-2047/2",
    };

    final CronParser quartzCronParser = new CronParser(CronDefinitionBuilder.instanceDefinitionFor(CronType.QUARTZ));
    for (final String cronExpression : sampleCronExpressions) {
        final Cron quartzCron = quartzCronParser.parse(cronExpression);
        quartzCron.validate();
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #38: every 2 min schedule doesn't roll over to next hour.
 */
@Test
public void testEveryTwoMinRollsOverHour() {
    final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX);
    final Cron cron = new CronParser(cronDefinition).parse("*/2 * * * *");
    final ExecutionTime executionTime = ExecutionTime.forCron(cron);
    final ZonedDateTime time = ZonedDateTime.parse("2015-09-05T13:56:00.000-07:00");
    final Optional<ZonedDateTime> nextExecutionTime = executionTime.nextExecution(time);
    if (nextExecutionTime.isPresent()) {
        final ZonedDateTime next = nextExecutionTime.get();
        final Optional<ZonedDateTime> shouldBeInNextHourExecution = executionTime.nextExecution(next);
        if (shouldBeInNextHourExecution.isPresent()) {
            assertEquals(next.plusMinutes(2), shouldBeInNextHourExecution.get());
            return;
        }
    }
    fail("one of the asserted values was not present.");
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #45: next execution does not match expected date. Result is not in same timezone as reference date.
 */
@Test
public void testMondayWeekdayNextExecution() {
    final String crontab = "* * * * 1";
    final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX);
    final CronParser parser = new CronParser(cronDefinition);
    final Cron cron = parser.parse(crontab);
    final ZonedDateTime date = ZonedDateTime.parse("2015-10-13T17:26:54.468-07:00");
    final ExecutionTime executionTime = ExecutionTime.forCron(cron);
    final Optional<ZonedDateTime> nextExecution = executionTime.nextExecution(date);
    if (nextExecution.isPresent()) {
        assertEquals(ZonedDateTime.parse("2015-10-19T00:00:00.000-07:00"), nextExecution.get());
    } else {
        fail(NEXT_EXECUTION_NOT_PRESENT_ERROR);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #61: nextExecution over daylight savings is wrong.
 */
@Test
public void testNextExecutionDaylightSaving() {
    final CronParser parser = new CronParser(CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX));
    final ExecutionTime executionTime = ExecutionTime.forCron(parser.parse("0 17 * * *"));// daily at 17:00
    // Daylight savings for New York 2016 is Mar 13 at 2am
    final ZonedDateTime last = ZonedDateTime.of(2016, 3, 12, 17, 0, 0, 0, ZONE_ID_NEW_YORK);
    final Optional<ZonedDateTime> nextExecution = executionTime.nextExecution(last);
    if (nextExecution.isPresent()) {
        final long millis = Duration.between(last, nextExecution.get()).toMillis();
        assertEquals(23, (millis / 3600000));
        assertEquals(last.getZone(), nextExecution.get().getZone());
    } else {
        fail(NEXT_EXECUTION_NOT_PRESENT_ERROR);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #61: lastExecution over daylight savings is wrong.
 */
@Test
public void testLastExecutionDaylightSaving() {
    final CronParser parser = new CronParser(CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX));
    final ExecutionTime executionTime = ExecutionTime.forCron(parser.parse("0 17 * * *"));// daily at 17:00
    // Daylight savings for New York 2016 is Mar 13 at 2am
    final ZonedDateTime now = ZonedDateTime.of(2016, 3, 12, 17, 0, 0, 0, ZoneId.of("America/Phoenix"));
    final Optional<ZonedDateTime> lastExecution = executionTime.lastExecution(now);
    if (lastExecution.isPresent()) {
        final long millis = Duration.between(lastExecution.get(), now).toMillis();
        assertEquals(24, (millis / 3600000));
        assertEquals(now.getZone(), lastExecution.get().getZone());
    } else {
        fail(LAST_EXECUTION_NOT_PRESENT_ERROR);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #79: Next execution skipping valid date.
 */
@Test
public void testNextExecution2014() {
    final String crontab = "0 8 * * 1";//m,h,dom,m,dow ; every monday at 8AM
    final CronDefinition cronDefinition = CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX);
    final CronParser parser = new CronParser(cronDefinition);
    final Cron cron = parser.parse(crontab);
    final ZonedDateTime date = ZonedDateTime.parse("2014-11-30T00:00:00Z");
    final ExecutionTime executionTime = ExecutionTime.forCron(cron);
    final Optional<ZonedDateTime> nextExecution = executionTime.nextExecution(date);
    if (nextExecution.isPresent()) {
        assertEquals(ZonedDateTime.parse("2014-12-01T08:00:00Z"), nextExecution.get());
    } else {
        fail(NEXT_EXECUTION_NOT_PRESENT_ERROR);
    }

}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #112: Calling nextExecution exactly on the first instant of the fallback hour (after the DST ends) makes it go back to DST.
 * https://github.com/jmrozanec/cron-utils/issues/112
 */
@Test
public void testWrongNextExecutionOnDSTEnd() {
    final ZoneId zone = ZoneId.of("America/Sao_Paulo");

    //2016-02-20T23:00-03:00[America/Sao_Paulo], first minute of fallback hour
    final ZonedDateTime date = ZonedDateTime.ofInstant(Instant.ofEpochMilli(1456020000000L), zone);
    final ZonedDateTime expected = ZonedDateTime.ofInstant(Instant.ofEpochMilli(1456020000000L + 60000), zone);

    final CronParser parser = new CronParser(CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX));
    final ExecutionTime executionTime = ExecutionTime.forCron(parser.parse("* * * * *"));
    final Optional<ZonedDateTime> nextExecution = executionTime.nextExecution(date);
    if (nextExecution.isPresent()) {
        assertEquals(expected, nextExecution.get());
    } else {
        fail(NEXT_EXECUTION_NOT_PRESENT_ERROR);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #125: Prints stack trace for NoSuchValueException for expressions with comma-separated values
 * https://github.com/jmrozanec/cron-utils/issues/125
 */
@Test
public void testNextExecutionProducesStackTraces() {
    final CronParser parser = new CronParser(CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX));
    final ExecutionTime executionTime = ExecutionTime.forCron(parser.parse("45 1,13 * * *"));
    executionTime.nextExecution(ZonedDateTime.parse("2016-05-24T01:02:50Z"));
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Test for issue #38
 * https://github.com/jmrozanec/cron-utils/issues/38
 * Reported case: lastExecution and nextExecution do not work properly
 * Expected: should return expected date
 */
@Test
public void testCronExpressionEveryTwoHoursAsteriskSlash() {
    final CronDefinition cronDefinition = CronDefinitionBuilder.defineCron()
            .withSeconds().and()
            .withMinutes().and()
            .withHours().and()
            .withDayOfMonth().and()
            .withMonth().and()
            .withDayOfWeek().withValidRange(0, 7).withMondayDoWValue(1).withIntMapping(7, 0).and()
            .instance();

    final CronParser parser = new CronParser(cronDefinition);
    final Cron cron = parser.parse("0 0 */2 * * *");
    final ZonedDateTime startDateTime = ZonedDateTime.parse("2015-08-28T12:05:14.000-03:00");

    final Optional<ZonedDateTime> nextExecution = ExecutionTime.forCron(cron).nextExecution(startDateTime);
    if (nextExecution.isPresent()) {
        assertTrue(ZonedDateTime.parse("2015-08-28T14:00:00.000-03:00").compareTo(nextExecution.get()) == 0);
    } else {
        fail(NEXT_EXECUTION_NOT_PRESENT_ERROR);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Test for issue #38
 * https://github.com/jmrozanec/cron-utils/issues/38
 * Reported case: lastExecution and nextExecution do not work properly
 * Expected: should return expected date
 */
@Test
public void testCronExpressionEveryTwoHoursSlash() {
    final CronDefinition cronDefinition = CronDefinitionBuilder.defineCron()
            .withSeconds().and()
            .withMinutes().and()
            .withHours().and()
            .withDayOfMonth().and()
            .withMonth().and()
            .withDayOfWeek().withValidRange(0, 7).withMondayDoWValue(1).withIntMapping(7, 0).and()
            .instance();

    final CronParser parser = new CronParser(cronDefinition);
    final Cron cron = parser.parse("0 0 /2 * * *");
    final ZonedDateTime startDateTime = ZonedDateTime.parse("2015-08-28T12:05:14.000-03:00");

    final Optional<ZonedDateTime> nextExecution = ExecutionTime.forCron(cron).nextExecution(startDateTime);
    if (nextExecution.isPresent()) {
        assertTrue(ZonedDateTime.parse("2015-08-28T14:00:00.000-03:00").compareTo(nextExecution.get()) == 0);
    } else {
        fail(NEXT_EXECUTION_NOT_PRESENT_ERROR);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * Issue #136: Bug exposed at PR #136
 * https://github.com/jmrozanec/cron-utils/pull/136
 * Reported case: when executing isMatch for a given range of dates,
 * if date is invalid, we get an exception, not a boolean as response.
 */
@Test
public void testMatchWorksAsExpectedForCustomCronsWhenPreviousOrNextOccurrenceIsMissing() {
    final CronDefinition cronDefinition = CronDefinitionBuilder.defineCron()
            .withDayOfMonth()
            .supportsL().supportsW()
            .and()
            .withMonth().and()
            .withYear()
            .and().instance();

    final CronParser parser = new CronParser(cronDefinition);
    final Cron cron = parser.parse("05 05 2004");
    final ExecutionTime executionTime = ExecutionTime.forCron(cron);
    ZonedDateTime start = ZonedDateTime.of(2004, 5, 5, 23, 55, 0, 0, ZoneId.of("UTC"));
    final ZonedDateTime end = ZonedDateTime.of(2004, 5, 6, 1, 0, 0, 0, ZoneId.of("UTC"));
    while (start.compareTo(end) < 0) {
        assertTrue(executionTime.isMatch(start) == (start.getDayOfMonth() == 5));
        start = start.plusMinutes(1);
    }
}
 

import com.cronutils.model.definition.CronDefinitionBuilder; //导入依赖的package包/类
/**
 * A CronDefinition with only 3 required fields is legal to instantiate, but the parser considers an expression
 * with 4 fields as an error:
 * java.lang.IllegalArgumentException: Cron expression contains 4 parts but we expect one of [6, 7]
 */
//@Test //FIXME issue #291
public void testThreeRequiredFieldsSupported() {
    final CronDefinition cronDefinition = CronDefinitionBuilder.defineCron()
            .withSeconds().and()
            .withMinutes().and()
            .withHours().and()
            .withDayOfMonth().supportsL().supportsW().supportsLW().supportsQuestionMark().optional().and()
            .withMonth().optional().and()
            .withDayOfWeek().withValidRange(1, 7).withMondayDoWValue(2).supportsHash().supportsL()
            .supportsQuestionMark().optional().and()
            .withYear().withValidRange(2000, 2099).optional().and()
            .instance();
    final CronParser cronParser = new CronParser(cronDefinition);
    cronParser.parse("* * 4 3");
}