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/* ------------------------------------ JavaOnTracks Thibaut Colar tcolar-jot AT colar DOT net Artistic Licence 2.0 http://www.javaontracks.net ------------------------------------ */ package net.jot.scheduler; import java.util.Arrays; import java.util.Vector; import java.util.regex.Pattern; import net.jot.logger.JOTLogger; /** * This reprsents a scheduled job "schedule". * This is used to set schedule options * */ public class JOTSchedulingOptions { public final static String scheduleHelp="Schedule format: <br>" + "Month(s) Day(s) WeekDay(s) Hour(s) Minute(s) : Space separated.<br>" + "Month: 0=january, 11=December<br>" + "Days of week: 0=Sunday, 6=Saturday<br>" + "Day of month: 1 = 1st of the month.<br>" + "Hours: 0=Midnight, 23=11PM<br>" + " <b>Examples:</b><br>" + "'* * * 5,14 0' any day at 5:00 AM and 2:00 PM<br>" + "'* * * 5,14 8' any day at 5:08 AM and 2:08 PM<br>" + "'* * 0 0 0' any sunday at 00:00 AM<br>" + "'* 1 * 0 0' any 1st of the month at 00:00 AM<br>" + "'* 13 5 0 0' any Friday the 13th at 00:00AM<br>" + "'* * * * *' any minute of any day.<br>" + "'0 * * * *' any minute of any day in January<br>" + "'2 13 5 0 0' any Friday the 13th in March at 00:00 AM"; public final static Pattern validator=Pattern.compile("[0-9,*]+ [0-9,*]+ [0-9,*]+ [0-9,*]+ [0-9,*]+"); public final long EVERY_MINUTE=1; public final long EVERY_5_MINUTES=EVERY_MINUTE*5; public final long EVERY_15_MINUTES=EVERY_MINUTE*15; public final long EVERY_30_MINUTES=EVERY_MINUTE*30; public final long EVERY_HOUR=EVERY_MINUTE*60; public final long EVERY_3_HOURS=EVERY_HOUR*3; public final long EVERY_6_HOURS=EVERY_HOUR*6; public final long EVERY_12_HOURS=EVERY_HOUR*12; public final long EVERY_24_HOUR=EVERY_HOUR*24; /** * Only allow one call to run at a time * If one is already running will just skip the new call */ public static final int DROP_NEW_CALLS_IF_PREVIOUS_NOT_COMPLETED=1; /** * Allow multiple concurrent calls */ public static int START_NEW_THREAD_IF_PREVIOUS_NOT_COMPLETED=2; // TBD //final int QUEUE_NEW_CALLS_IF_PREVIOUS_NOT_COMPLETED=3; // Vectors: null=any private boolean useSchedule=false; private Vector runAtMonth=null; private Vector runAtDays=null; private Vector runAtWeekDays=null; private Vector runAtHours=null; private Vector runAtMinutes=null; private long runEvery=-1; private boolean startNow=false; private int threadingScheme=DROP_NEW_CALLS_IF_PREVIOUS_NOT_COMPLETED; /** * Set the threading scheme: ie: * - DROP_NEW_CALLS_IF_PREVIOUS_NOT_COMPLETED * - START_NEW_THREAD_IF_PREVIOUS_NOT_COMPLETED * @param scheme */ public void setThreadingScheme(int scheme) { threadingScheme=scheme; } /** * run the job at an interval (in milliseconds) * ie: runEvery(EVERY_5_MINUTE); * * minutes: interval in minutes. * startingNow: if true then first run right away, otherwise, first run after "minutes" */ public void setRunEvery(long minutes, boolean startingNow) { runEvery=minutes; startNow=startingNow; } /** * Request a run right away * @param runNow */ public void setRunNow(boolean runNow) { startNow=runNow; } /** * Request a run "right now" * Very much like an unix cron line * But the order is different:<br> * Month(o=january) Day(1=1st) DayOfWeek(0=sunday) Hour Minute<br> * '* * * 5,14 0' any day at 5:00 AM and 2:00 PM<br> * '* * * 5,14 8' any day at 5:08 AM and 2:08 PM<br> * '* * 0 0 0' any sunday at 00:00 AM<br> * '* 1 * 0 0' any 1st of the month at 00:00 AM<br> * '* 13 5 0 0' any Friday the 13th at 00:00AM<br> * '* * * * *' any minute of any day.<br> * '0 * * * *' any minute of any day in January<br> * '2 13 5 0 0' Friday the 13th in March at 00:00 AM"; * @param runNow */ public void setRunAt(String cronEntry) { useSchedule=true; runAtMonth=null; runAtDays=null; runAtWeekDays=null; runAtMinutes=null; runAtHours=null; String[] entries=cronEntry.split(" "); if(entries.length<5) { JOTLogger.log(JOTLogger.ERROR_LEVEL, this, "Invalid CronType entry: "+cronEntry); } else { if(! entries[0].equals("*")) runAtMonth=new Vector(Arrays.asList(entries[0].split(","))); if(! entries[1].equals("*")) runAtDays=new Vector(Arrays.asList(entries[1].split(","))); if(! entries[2].equals("*")) runAtWeekDays=new Vector(Arrays.asList(entries[2].split(","))); if(! entries[3].equals("*")) runAtHours=new Vector(Arrays.asList(entries[3].split(","))); if(! entries[4].equals("*")) runAtMinutes=new Vector(Arrays.asList(entries[4].split(","))); JOTLogger.log(JOTLogger.DEBUG_LEVEL, this, "Added cronTye: "+cronEntry); } } public Vector getRunAtDays() { return runAtDays; } public Vector getRunAtHours() { return runAtHours; } public Vector getRunAtMinutes() { return runAtMinutes; } public Vector getRunAtMonth() { return runAtMonth; } public Vector getRunAtWeekDays() { return runAtWeekDays; } public long getRunEvery() { return runEvery; } public boolean isStartNow() { return startNow; } public int getThreadingScheme() { return threadingScheme; } public static String getScheduleHelp() { return scheduleHelp; } // check wether a schedule string format(cron like) looks valid. public static boolean isValid(String schedule) { return validator.matcher(schedule).matches(); } /** * Wether a schedule item was added (ie: setRunAt() was called) * @return */ boolean isScheduleEnabled() { return useSchedule; } }