/**
* @see
* gatewayapps.crondroid.impl.triggers.AbstractTrigger#updateWithNewCalendar(gatewayapps.crondroid.Calendar,
* long)
*/
@Override
public void updateWithNewCalendar(Calendar calendar, long misfireThreshold) {
nextFireTime = getFireTimeAfter(previousFireTime);
if (nextFireTime == null || calendar == null) {
return;
}
Date now = new Date();
while (nextFireTime != null && !calendar.isTimeIncluded(nextFireTime.getTime())) {
nextFireTime = getFireTimeAfter(nextFireTime);
if (nextFireTime == null) break;
// avoid infinite loop
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(nextFireTime);
if (c.get(java.util.Calendar.YEAR) > YEAR_TO_GIVEUP_SCHEDULING_AT) {
nextFireTime = null;
}
if (nextFireTime != null && nextFireTime.before(now)) {
long diff = now.getTime() - nextFireTime.getTime();
if (diff >= misfireThreshold) {
nextFireTime = getFireTimeAfter(nextFireTime);
}
}
}
}
/**
* Called by the scheduler at the time a <code>Trigger</code> is first added to the scheduler, in
* order to have the <code>Trigger</code> compute its first fire time, based on any associated
* calendar.
*
* <p>After this method has been called, <code>getNextFireTime()</code> should return a valid
* answer.
*
* @return the first time at which the <code>Trigger</code> will be fired by the scheduler, which
* is also the same value <code>getNextFireTime()</code> will return (until after the first
* firing of the <code>Trigger</code>).
*/
@Override
public Date computeFirstFireTime(Calendar calendar) {
nextFireTime = getStartTime();
while (nextFireTime != null
&& calendar != null
&& !calendar.isTimeIncluded(nextFireTime.getTime())) {
nextFireTime = getFireTimeAfter(nextFireTime);
if (nextFireTime == null) break;
// avoid infinite loop
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(nextFireTime);
if (c.get(java.util.Calendar.YEAR) > YEAR_TO_GIVEUP_SCHEDULING_AT) {
return null;
}
}
return nextFireTime;
}
/**
* Called when the <code>{@link Scheduler}</code> has decided to 'fire' the trigger (execute the
* associated <code>Job</code>), in order to give the <code>Trigger</code> a chance to update
* itself for its next triggering (if any).
*
* @see #executionComplete(JobExecutionContext, JobExecutionException)
*/
@Override
public void triggered(Calendar calendar) {
timesTriggered++;
previousFireTime = nextFireTime;
nextFireTime = getFireTimeAfter(nextFireTime);
while (nextFireTime != null
&& calendar != null
&& !calendar.isTimeIncluded(nextFireTime.getTime())) {
nextFireTime = getFireTimeAfter(nextFireTime);
if (nextFireTime == null) break;
// avoid infinite loop
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(nextFireTime);
if (c.get(java.util.Calendar.YEAR) > YEAR_TO_GIVEUP_SCHEDULING_AT) {
nextFireTime = null;
}
}
}
/**
* Updates the <code>SimpleTrigger</code>'s state based on the MISFIRE_INSTRUCTION_XXX that was
* selected when the <code>SimpleTrigger</code> was created.
*
* <p>If the misfire instruction is set to MISFIRE_INSTRUCTION_SMART_POLICY, then the following
* scheme will be used: <br>
*
* <ul>
* <li>If the Repeat Count is <code>0</code>, then the instruction will be interpreted as <code>
* MISFIRE_INSTRUCTION_FIRE_NOW</code>.
* <li>If the Repeat Count is <code>REPEAT_INDEFINITELY</code>, then the instruction will be
* interpreted as <code>MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_REMAINING_COUNT</code>.
* <b>WARNING:</b> using MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_REMAINING_COUNT with a
* trigger that has a non-null end-time may cause the trigger to never fire again if the
* end-time arrived during the misfire time span.
* <li>If the Repeat Count is <code>> 0</code>, then the instruction will be interpreted as
* <code>MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_EXISTING_REPEAT_COUNT</code>.
* </ul>
*/
@Override
public void updateAfterMisfire(Calendar cal) {
int instr = getMisfireInstruction();
if (instr == Trigger.MISFIRE_INSTRUCTION_IGNORE_MISFIRE_POLICY) return;
if (instr == Trigger.MISFIRE_INSTRUCTION_SMART_POLICY) {
if (getRepeatCount() == 0) {
instr = MISFIRE_INSTRUCTION_FIRE_NOW;
} else if (getRepeatCount() == REPEAT_INDEFINITELY) {
instr = MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_REMAINING_COUNT;
} else {
// if (getRepeatCount() > 0)
instr = MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_EXISTING_REPEAT_COUNT;
}
} else if (instr == MISFIRE_INSTRUCTION_FIRE_NOW && getRepeatCount() != 0) {
instr = MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_REMAINING_REPEAT_COUNT;
}
if (instr == MISFIRE_INSTRUCTION_FIRE_NOW) {
setNextFireTime(new Date());
} else if (instr == MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_EXISTING_COUNT) {
Date newFireTime = getFireTimeAfter(new Date());
while (newFireTime != null && cal != null && !cal.isTimeIncluded(newFireTime.getTime())) {
newFireTime = getFireTimeAfter(newFireTime);
if (newFireTime == null) break;
// avoid infinite loop
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(newFireTime);
if (c.get(java.util.Calendar.YEAR) > YEAR_TO_GIVEUP_SCHEDULING_AT) {
newFireTime = null;
}
}
setNextFireTime(newFireTime);
} else if (instr == MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_REMAINING_COUNT) {
Date newFireTime = getFireTimeAfter(new Date());
while (newFireTime != null && cal != null && !cal.isTimeIncluded(newFireTime.getTime())) {
newFireTime = getFireTimeAfter(newFireTime);
if (newFireTime == null) break;
// avoid infinite loop
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(newFireTime);
if (c.get(java.util.Calendar.YEAR) > YEAR_TO_GIVEUP_SCHEDULING_AT) {
newFireTime = null;
}
}
if (newFireTime != null) {
int timesMissed = computeNumTimesFiredBetween(nextFireTime, newFireTime);
setTimesTriggered(getTimesTriggered() + timesMissed);
}
setNextFireTime(newFireTime);
} else if (instr == MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_EXISTING_REPEAT_COUNT) {
Date newFireTime = new Date();
if (repeatCount != 0 && repeatCount != REPEAT_INDEFINITELY) {
setRepeatCount(getRepeatCount() - getTimesTriggered());
setTimesTriggered(0);
}
if (getEndTime() != null && getEndTime().before(newFireTime)) {
setNextFireTime(null); // We are past the end time
} else {
setStartTime(newFireTime);
setNextFireTime(newFireTime);
}
} else if (instr == MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_REMAINING_REPEAT_COUNT) {
Date newFireTime = new Date();
int timesMissed = computeNumTimesFiredBetween(nextFireTime, newFireTime);
if (repeatCount != 0 && repeatCount != REPEAT_INDEFINITELY) {
int remainingCount = getRepeatCount() - (getTimesTriggered() + timesMissed);
if (remainingCount <= 0) {
remainingCount = 0;
}
setRepeatCount(remainingCount);
setTimesTriggered(0);
}
if (getEndTime() != null && getEndTime().before(newFireTime)) {
setNextFireTime(null); // We are past the end time
} else {
setStartTime(newFireTime);
setNextFireTime(newFireTime);
}
}
}
