Examples with JobDescription org.exist.scheduler.JobDescription used on opensource projects

Example 1 with JobDescription

use of org.exist.scheduler.JobDescription in project exist by eXist-db.

the class QuartzSchedulerImpl method setupConfiguredJobs.

/**
 * Set's up all the jobs that are listed in conf.xml and loaded through org.exist.util.Configuration.
 */
@Override
public void setupConfiguredJobs() {
    final JobConfig[] jobList = (JobConfig[]) config.getProperty(JobConfig.PROPERTY_SCHEDULER_JOBS);
    if (jobList == null) {
        return;
    }
    for (final JobConfig jobConfig : jobList) {
        JobDescription job = null;
        if (jobConfig.getResourceName().startsWith("/db/") || jobConfig.getResourceName().indexOf(':') > 0) {
            if (jobConfig.getType().equals(JobType.SYSTEM)) {
                LOG.error("System jobs may only be written in Java");
            } else {
                // create an XQuery job
                final Subject guestUser = brokerPool.getSecurityManager().getGuestSubject();
                job = new UserXQueryJob(jobConfig.getJobName(), jobConfig.getResourceName(), guestUser);
                try {
                    // check if a job with the same name is already registered
                    if (getScheduler().getJobDetail(new JobKey(job.getName(), UserJob.JOB_GROUP)) != null) {
                        // yes, try to make the job's name unique
                        job.setName(job.getName() + job.hashCode());
                    }
                } catch (final SchedulerException e) {
                    LOG.error("Unable to set job name: {}", e.getMessage(), e);
                }
            }
        } else {
            // create a Java job
            try {
                final Class<?> jobClass = Class.forName(jobConfig.getResourceName());
                final Object jobObject = jobClass.newInstance();
                if (jobConfig.getType().equals(JobType.SYSTEM)) {
                    if (jobObject instanceof SystemTask) {
                        final SystemTask task = (SystemTask) jobObject;
                        task.configure(config, jobConfig.getParameters());
                        job = new SystemTaskJobImpl(jobConfig.getJobName(), task);
                    } else {
                        LOG.error("System jobs must extend SystemTask");
                    // throw exception? will be handled nicely
                    }
                } else {
                    if (jobObject instanceof JobDescription) {
                        job = (JobDescription) jobObject;
                        if (jobConfig.getJobName() != null) {
                            job.setName(jobConfig.getJobName());
                        }
                    } else {
                        LOG.error("Startup job {}  must extend org.exist.scheduler.StartupJob", jobConfig.getJobName());
                    // throw exception? will be handled nicely
                    }
                }
            } catch (final Exception e) {
                // Throwable?
                LOG.error("Unable to schedule '{}' job {}: {}", jobConfig.getType(), jobConfig.getResourceName(), e.getMessage(), e);
            }
        }
        // if there is a job, schedule it
        if (job != null) {
            // trigger is Cron or period?
            if (jobConfig.getSchedule().indexOf(' ') > -1) {
                // schedule job with Cron trigger
                createCronJob(jobConfig.getSchedule(), job, jobConfig.getParameters());
            } else {
                // schedule job with periodic trigger
                createPeriodicJob(Long.parseLong(jobConfig.getSchedule()), job, jobConfig.getDelay(), jobConfig.getParameters(), jobConfig.getRepeat(), jobConfig.unscheduleOnException());
            }
        }
    }
}