Package com.luna.common.cron

Class CronUtil

java.lang.Object

com.luna.common.cron.CronUtil

public class CronUtil
extends Object

Constructor Summary

Constructors

Constructor	Description
CronUtil()

Method Summary

Modifier and Type	Method	Description
static boolean	checkCronOneTime(String cron)
static Date	formatDateByCron(String cron, long time)
static String	getCron(Date date)	convert Date to cron ,eg.
static String	getCronAfterMinutes(int minute)	相对于当前时间多少分钟后的执行任务的cron表达式
static String	getCronAfterSeconds(int second)
static String	getCronEveryXMinutes(int x)	周期性任务,每X分钟执行一次
static void	main(String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CronUtil

public CronUtil()

Method Details

getCronAfterMinutes

public static String getCronAfterMinutes(int minute)

相对于当前时间多少分钟后的执行任务的cron表达式

Parameters:

minute -

Returns:

getCronAfterSeconds

public static String getCronAfterSeconds(int second)

getCron

public static String getCron(Date date)

convert Date to cron ,eg. "0 06 10 15 1 ? 2014"

Parameters:

date - : 时间点

Returns:

getCronEveryXMinutes

public static String getCronEveryXMinutes(int x)

周期性任务,每X分钟执行一次

Parameters:

x -

Returns:

formatDateByCron

public static Date formatDateByCron(String cron,
 long time)

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

checkCronOneTime

public static boolean checkCronOneTime(String cron)
                                throws RuntimeException

Throws:

RuntimeException