de.unkrig.commons.util

Class TimeTable

java.lang.Object

de.unkrig.commons.util.TimeTable

public abstract class TimeTable
extends Object

Represents singular or periodic time events.

Field Summary

Fields

Modifier and Type	Field and Description
static Date	MAX_DATE A Date very far in the future.
static Date	MIN_DATE A Date very far in the past.
static TimeTable	NEVER A TimeTable who's next(Date) method always returns MAX_DATE.

Method Summary

Modifier and Type	Method and Description
abstract Date	next(Date previous)
static TimeTable	once(Date date) A TimeTable who's next(Date) method will return date if previous is before date, and MAX_DATE otherwise.
static TimeTable	parse(String s) Creates a TimeTable from a string: ExampleMeaning 2012-12-31 23:59:59 2012-12-31 23:59 2012-12-31One-time *-12-31 23:59:59 *-12-31 23:59 *-12-31Once per year *-*-31 23:59:59 *-*-31 23:59 *-*-31Once per month Mon 23:59:59 Mon 23:59 MonOnce per week 23:59:59 23:59Once per day *:59:59 *:59Once per hour *:*:59 *:*Once per minute *:*:*Every second Instead of '*', integer ranges, integer lists, and combinations thereof can be given: (1,2,3) (2020-2031) (12-3,7) Instead of 'Mon', weekday ranges, weekday lists, and combinations thereof can be given: Sat,Sun Mon-Fri Sun-Mon Mon-Wed,Sat If both day-of-month and day-of-week are specified, then both must match; e.g. '*-2-(8-14) Mon' means 'second monday of february'. abstract String toString() Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait Field Detail NEVER public static final TimeTable NEVER A TimeTable who's next(Date) method always returns MAX_DATE. MAX_DATE public static final Date MAX_DATE A Date very far in the future. MIN_DATE public static final Date MIN_DATE A Date very far in the past. Method Detail next public abstract Date next(Date previous) Returns: The next scheduled point in time after previous, or MAX_DATE iff there is no "next" execution once public static TimeTable once(Date date) A TimeTable who's next(Date) method will return date if previous is before date, and MAX_DATE otherwise. parse public static TimeTable parse(String s) throws ParseException Creates a TimeTable from a string: Example Meaning 2012-12-31 23:59:59 2012-12-31 23:59 2012-12-31 One-time *-12-31 23:59:59 *-12-31 23:59 *-12-31 Once per year *-*-31 23:59:59 *-*-31 23:59 *-*-31 Once per month Mon 23:59:59 Mon 23:59 Mon Once per week 23:59:59 23:59 Once per day *:59:59 *:59 Once per hour *:*:59 *:* Once per minute *:*:* Every second Instead of '*', integer ranges, integer lists, and combinations thereof can be given: (1,2,3) (2020-2031) (12-3,7) Instead of 'Mon', weekday ranges, weekday lists, and combinations thereof can be given: Sat,Sun Mon-Fri Sun-Mon Mon-Wed,Sat If both day-of-month and day-of-week are specified, then both must match; e.g. '*-2-(8-14) Mon' means 'second monday of february'. Multiple patterns can be specified, separated with commas, which means that the next(Date) method will return the earliest next point-in-time that matches any of the patterns. Example: '*-*-1,Mon' - next first-of-month or next monday, whichever comes first. Throws: ParseException toString public abstract String toString() Overrides: toString in class Object Skip navigation links Overview Package Class Tree Deprecated Index Help Prev Class Next Class Frames No Frames All Classes Summary: Nested | Field | Constr | Method Detail: Field | Constr | Method Copyright © 2018 Arno Unkrig. All rights reserved.