Examples with ServiceRegistryException org.opencastproject.serviceregistry.api.ServiceRegistryException used on opensource projects

Example 81 with ServiceRegistryException

use of org.opencastproject.serviceregistry.api.ServiceRegistryException in project opencast by opencast.

the class ServiceRegistryJpaImpl method registerHost.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.serviceregistry.api.ServiceRegistry#registerHost(String, String, long, int, float)
 */
@Override
public void registerHost(String host, String address, long memory, int cores, float maxLoad) throws ServiceRegistryException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        // Find the existing registrations for this host and if it exists, update it
        HostRegistrationJpaImpl hostRegistration = fetchHostRegistration(em, host);
        if (hostRegistration == null) {
            hostRegistration = new HostRegistrationJpaImpl(host, address, memory, cores, maxLoad, true, false);
            em.persist(hostRegistration);
        } else {
            hostRegistration.setIpAddress(address);
            hostRegistration.setMemory(memory);
            hostRegistration.setCores(cores);
            hostRegistration.setMaxLoad(maxLoad);
            hostRegistration.setOnline(true);
            em.merge(hostRegistration);
        }
        logger.info("Registering {} with a maximum load of {}", host, maxLoad);
        tx.commit();
        hostsStatistics.updateHost(hostRegistration);
    } catch (Exception e) {
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        throw new ServiceRegistryException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

Example 82 with ServiceRegistryException

use of org.opencastproject.serviceregistry.api.ServiceRegistryException in project opencast by opencast.

the class ServiceRegistryJpaImpl method enableHost.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.serviceregistry.api.ServiceRegistry#enableHost(String)
 */
@Override
public void enableHost(String host) throws ServiceRegistryException, NotFoundException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        // Find the existing registrations for this host and if it exists, update it
        HostRegistrationJpaImpl hostRegistration = fetchHostRegistration(em, host);
        if (hostRegistration == null) {
            throw new NotFoundException("Host '" + host + "' is currently not registered, so it can not be enabled");
        } else {
            hostRegistration.setActive(true);
            em.merge(hostRegistration);
        }
        logger.info("Enabling {}", host);
        tx.commit();
        tx.begin();
        for (ServiceRegistration serviceRegistration : getServiceRegistrationsByHost(host)) {
            ServiceRegistrationJpaImpl registration = (ServiceRegistrationJpaImpl) serviceRegistration;
            registration.setActive(true);
            em.merge(registration);
            servicesStatistics.updateService(registration);
        }
        tx.commit();
        hostsStatistics.updateHost(hostRegistration);
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        throw new ServiceRegistryException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

Example 83 with ServiceRegistryException

use of org.opencastproject.serviceregistry.api.ServiceRegistryException in project opencast by opencast.

the class ServiceRegistryJpaImpl method cleanRunningJobs.

/**
 * Find all running jobs on this service and set them to RESET or CANCELED.
 *
 * @param serviceType
 *          the service type
 * @param baseUrl
 *          the base url
 * @throws ServiceRegistryException
 *           if there is a problem communicating with the jobs database
 */
private void cleanRunningJobs(String serviceType, String baseUrl) throws ServiceRegistryException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        TypedQuery<JpaJob> query = em.createNamedQuery("Job.processinghost.status", JpaJob.class);
        query.setLockMode(LockModeType.PESSIMISTIC_WRITE);
        List<Integer> statuses = new ArrayList<Integer>();
        statuses.add(Status.RUNNING.ordinal());
        statuses.add(Status.DISPATCHING.ordinal());
        statuses.add(Status.WAITING.ordinal());
        query.setParameter("statuses", statuses);
        query.setParameter("host", baseUrl);
        query.setParameter("serviceType", serviceType);
        List<JpaJob> unregisteredJobs = query.getResultList();
        for (JpaJob job : unregisteredJobs) {
            if (job.isDispatchable()) {
                em.refresh(job);
                // If this job has already been treated
                if (Status.CANCELED.equals(job.getStatus()) || Status.RESTART.equals(job.getStatus()))
                    continue;
                if (job.getRootJob() != null && Status.PAUSED.equals(job.getRootJob().getStatus())) {
                    JpaJob rootJob = job.getRootJob();
                    cancelAllChildren(rootJob, em);
                    rootJob.setStatus(Status.RESTART);
                    rootJob.setOperation(START_OPERATION);
                    em.merge(rootJob);
                    continue;
                }
                logger.info("Marking child jobs from job {} as canceled", job);
                cancelAllChildren(job, em);
                logger.info("Rescheduling lost job {}", job);
                job.setStatus(Status.RESTART);
                job.setProcessorServiceRegistration(null);
            } else {
                logger.info("Marking lost job {} as failed", job);
                job.setStatus(Status.FAILED);
            }
            em.merge(job);
        }
        tx.commit();
    } catch (Exception e) {
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        throw new ServiceRegistryException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

Example 84 with ServiceRegistryException

use of org.opencastproject.serviceregistry.api.ServiceRegistryException in project opencast by opencast.

the class ServiceRegistryJpaImpl method getJobPayloads.

@Override
public List<String> getJobPayloads(String operation) throws ServiceRegistryException {
    EntityManager em = emf.createEntityManager();
    try {
        TypedQuery<String> query = em.createNamedQuery("Job.payload", String.class);
        query.setParameter("operation", operation);
        logger.debug("Requesting job payloads using query: {}", query);
        return query.getResultList();
    } catch (Exception e) {
        throw new ServiceRegistryException(e);
    }
}

Example 85 with ServiceRegistryException

use of org.opencastproject.serviceregistry.api.ServiceRegistryException in project opencast by opencast.

the class ServiceRegistryJpaImpl method countByHost.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.serviceregistry.api.ServiceRegistry#countByHost(java.lang.String, java.lang.String,
 *      Status)
 */
@Override
public long countByHost(String serviceType, String host, Status status) throws ServiceRegistryException {
    EntityManager em = null;
    try {
        em = emf.createEntityManager();
        Query query = em.createNamedQuery("Job.countByHost");
        query.setParameter("status", status.ordinal());
        query.setParameter("serviceType", serviceType);
        query.setParameter("host", host);
        Number countResult = (Number) query.getSingleResult();
        return countResult.longValue();
    } catch (Exception e) {
        throw new ServiceRegistryException(e);
    } finally {
        if (em != null)
            em.close();
    }
}