Examples with SystemTask org.exist.storage.SystemTask used on opensource projects

Example 1 with SystemTask

use of org.exist.storage.SystemTask in project exist by eXist-db.

the class TriggerSystemTask method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    final String className = args[0].getStringValue();
    final Properties properties = new Properties();
    if (args[1].hasOne()) {
        parseParameters(((NodeValue) args[1].itemAt(0)).getNode(), properties);
    }
    try {
        final Class<?> clazz = Class.forName(className);
        final Object taskObject = clazz.newInstance();
        if (!(taskObject instanceof SystemTask)) {
            final XPathException xPathException = new XPathException(this, className + " is not an instance of org.exist.storage.SystemTask");
            logger.error("Java classname is not a SystemTask", xPathException);
            throw xPathException;
        }
        final SystemTask task = (SystemTask) taskObject;
        task.configure(context.getBroker().getConfiguration(), properties);
        LOG.info("Triggering SystemTask: {}", className);
        context.getBroker().getBrokerPool().triggerSystemTask(task);
    } catch (final ClassNotFoundException e) {
        final String message = "system task class '" + className + "' not found";
        logger.error(message, e);
        throw new XPathException(this, message);
    } catch (final InstantiationException e) {
        final String message = "system task '" + className + "' can not be instantiated";
        logger.error(message, e);
        throw new XPathException(this, message);
    } catch (final IllegalAccessException e) {
        final String message = "system task '" + className + "' can not be accessed";
        logger.error(message, e);
        throw new XPathException(this, message);
    } catch (final EXistException e) {
        final String message = "system task " + className + " reported an error during initialization: ";
        logger.error(message, e);
        throw new XPathException(this, message + e.getMessage(), e);
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 2 with SystemTask

use of org.exist.storage.SystemTask 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());
            }
        }
    }
}

Example 3 with SystemTask

use of org.exist.storage.SystemTask in project exist by eXist-db.

the class SystemTaskJobImpl method execute.

@Override
public final void execute(final JobExecutionContext jec) throws JobExecutionException {
    final JobDataMap jobDataMap = jec.getJobDetail().getJobDataMap();
    final BrokerPool pool = (BrokerPool) jobDataMap.get(DATABASE);
    final SystemTask task = (SystemTask) jobDataMap.get(SYSTEM_TASK);
    // if invalid arguments then abort
    if ((pool == null) || (task == null)) {
        // abort all triggers for this job
        final JobExecutionException jaa = new JobExecutionException("SystemTaskJob Failed: BrokerPool or SystemTask was null! Unscheduling SystemTask", false);
        jaa.setUnscheduleAllTriggers(true);
        throw jaa;
    }
    // trigger the system task
    pool.triggerSystemTask(task);
}

Example 4 with SystemTask

use of org.exist.storage.SystemTask in project exist by eXist-db.

the class SanityReport method triggerCheck.

@Override
public void triggerCheck(String output, String backup, String incremental) {
    try {
        this.output = output;
        final SystemTask task = new ConsistencyCheckTask();
        final Properties properties = parseParameter(output, backup, incremental);
        task.configure(pool.getConfiguration(), properties);
        pool.triggerSystemTask(task);
    } catch (final EXistException existException) {
        taskstatus.setStatus(TaskStatus.Status.STOPPED_ERROR);
        final List<ErrorReport> errors = new ArrayList<>();
        errors.add(new ErrorReport(ErrorReport.CONFIGURATION_FAILD, existException.getMessage(), existException));
        taskstatus.setReason(errors);
        changeStatus(taskstatus);
        taskstatus.setStatusChangeTime();
        taskstatus.setReason(existException.toString());
        LOG.warn("Failed to trigger db sanity check: {}", existException.getMessage(), existException);
    }
}