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

Example 6 with SystemLoad

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

the class ServiceRegistryJpaImpl method getServiceRegistrationsByLoad.

/**
 * Do not look at this, it will burn your eyes! This is due to JPA's inability to do a left outer join with join
 * conditions.
 *
 * {@inheritDoc}
 *
 * @see org.opencastproject.serviceregistry.api.ServiceRegistry#getServiceRegistrationsByLoad(java.lang.String)
 */
@Override
public List<ServiceRegistration> getServiceRegistrationsByLoad(String serviceType) throws ServiceRegistryException {
    EntityManager em = null;
    try {
        em = emf.createEntityManager();
        SystemLoad loadByHost = getHostLoads(em);
        List<HostRegistration> hostRegistrations = getHostRegistrations();
        List<ServiceRegistration> serviceRegistrations = getServiceRegistrationsByType(serviceType);
        return getServiceRegistrationsByLoad(serviceType, serviceRegistrations, hostRegistrations, loadByHost);
    } finally {
        if (em != null)
            em.close();
    }
}