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Help Center/ Data Lake Factory/ User Guide/ References/ EL/ DateUtil Embedded Objects

DateUtil Embedded Objects

Updated on 2022-02-22 GMT+08:00

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A DateUtil embedded object provides methods of formatting time and calculating time.

**Table 1** Method description
Method	Description
String format(Date date, String pattern)	Formats Date to character strings according to the specified pattern.
Date addMonths(Date date, int amount)	After the specified number of months is added to Date, the new Date object is returned. The amount can be a negative number.
Date addDays(Date date, int amount)	After the specified number of days is added to Date, the new Date object is returned. The amount can be a negative number.
Date addHours(Date date, int amount)	After the specified number of hours is added to Date, the new Date object is returned. The amount can be a negative number.
Date addMinutes(Date date, int amount)	After the specified number of minutes is added to Date, the new Date object is returned. The amount can be a negative number.
int getDay(Date date)	Obtains the day from the date. For example, if the date is 2018-09-14, 14 is returned.
int getMonth(Date date)	Obtains the month from the date. For example, if the date is 2018-09-14, 9 is returned.
int getYear(Date date)	Obtains the year from the date. For example, if the date is 2018-09-14, 2018 is returned.
Date now()	Returns the current time.
long getTime(Date date)	Converts the date type to the long type.
Date parseDate(String str, String pattern)	Converts the character string to the date by pattern. The pattern is the date and time mode. For details, see Date and Time Mode.

The previous day of the job scheduling plan time is used as the subdirectory name to generate an OBS path. The EL expression is as follows:

#{"obs://test/"+DateUtil.format(DateUtil.addDays(Job.planTime,-1),"yyyy-MM-dd")}

Parent topic: EL

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