/**
* Schedule a job with a unix-like cron expression.
*
* @param job the job to schedule
* @param cronExpression the cron expression to use. For a complete tutorial about cron
* expressions, please refer to <a
* href="http://quartz-scheduler.org/documentation/quartz-2.1.x/tutorials/crontrigger">quartz
* reference documentation</a>.
*/
public void scheduleCron(final org.easybatch.core.job.Job job, final String cronExpression)
throws JobSchedulerException {
checkNotNull(job, "job");
checkNotNull(cronExpression, "cronExpression");
String executionId = job.getExecutionId();
String jobName = JOB_NAME_PREFIX + executionId;
String triggerName = TRIGGER_NAME_PREFIX + executionId;
Trigger trigger =
newTrigger()
.withIdentity(triggerName)
.withSchedule(cronSchedule(cronExpression))
.forJob(jobName)
.build();
JobDetail jobDetail = getJobDetail(job, jobName);
try {
LOGGER.log(
Level.INFO,
"Scheduling job {0} with cron expression {1}",
new Object[] {job, cronExpression});
scheduler.scheduleJob(jobDetail, trigger);
} catch (SchedulerException e) {
throw new JobSchedulerException("Unable to schedule job " + job, e);
}
}
/**
* Schedule a job to start at a fixed point of time and repeat with interval period.
*
* @param job the job to schedule
* @param startTime the start time
* @param interval the repeat interval in seconds
*/
public void scheduleAtWithInterval(
final org.easybatch.core.job.Job job, final Date startTime, final int interval)
throws JobSchedulerException {
checkNotNull(job, "job");
checkNotNull(startTime, "startTime");
String executionId = job.getExecutionId();
String jobName = JOB_NAME_PREFIX + executionId;
String triggerName = TRIGGER_NAME_PREFIX + executionId;
ScheduleBuilder scheduleBuilder =
simpleSchedule().withIntervalInSeconds(interval).repeatForever();
Trigger trigger =
newTrigger()
.withIdentity(triggerName)
.startAt(startTime)
.withSchedule(scheduleBuilder)
.forJob(jobName)
.build();
JobDetail jobDetail = getJobDetail(job, jobName);
try {
LOGGER.log(
Level.INFO,
"Scheduling job {0} to start at {1} and every {2} second(s)",
new Object[] {job, startTime, interval});
scheduler.scheduleJob(jobDetail, trigger);
} catch (SchedulerException e) {
throw new JobSchedulerException("Unable to schedule job " + job, e);
}
}
/**
* Check if the given job is scheduled.
*
* @param job the job to check
* @return true if the job is scheduled, false else
* @throws JobSchedulerException thrown if an exception occurs while checking if the job is
* scheduled
*/
public boolean isScheduled(final org.easybatch.core.job.Job job) throws JobSchedulerException {
try {
return scheduler.checkExists(
TriggerKey.triggerKey(TRIGGER_NAME_PREFIX + job.getExecutionId()));
} catch (SchedulerException e) {
throw new JobSchedulerException("Unable to check if the job " + job + " is scheduled", e);
}
}
/**
* Unschedule the given job.
*
* @param job the job to unschedule
* @throws JobSchedulerException thrown if an exception occurs during job unscheduling
*/
public void unschedule(final org.easybatch.core.job.Job job) throws JobSchedulerException {
LOGGER.log(Level.INFO, "Unscheduling job {0} ", job);
try {
scheduler.unscheduleJob(TriggerKey.triggerKey(TRIGGER_NAME_PREFIX + job.getExecutionId()));
} catch (SchedulerException e) {
throw new JobSchedulerException("Unable to unschedule job " + job, e);
}
}
/**
* Schedule a job to start at a fixed point of time.
*
* @param job the job to schedule
* @param startTime the start time
*/
public void scheduleAt(final org.easybatch.core.job.Job job, final Date startTime)
throws JobSchedulerException {
checkNotNull(job, "job");
checkNotNull(startTime, "startTime");
String executionId = job.getExecutionId();
String jobName = JOB_NAME_PREFIX + executionId;
String triggerName = TRIGGER_NAME_PREFIX + executionId;
Trigger trigger =
newTrigger().withIdentity(triggerName).startAt(startTime).forJob(jobName).build();
JobDetail jobDetail = getJobDetail(job, jobName);
try {
LOGGER.log(Level.INFO, "Scheduling job {0} to start at {1}", new Object[] {job, startTime});
scheduler.scheduleJob(jobDetail, trigger);
} catch (SchedulerException e) {
throw new JobSchedulerException("Unable to schedule job " + job, e);
}
}