Examples with QueryGenerator org.apache.airavata.registry.core.experiment.catalog.utils.QueryGenerator used on opensource projects

Example 31 with QueryGenerator

use of org.apache.airavata.registry.core.experiment.catalog.utils.QueryGenerator in project airavata by apache.

the class ExperimentResource method get.

public List<ExperimentCatResource> get(ResourceType type) throws RegistryException {
    List<ExperimentCatResource> resourceList = new ArrayList<ExperimentCatResource>();
    EntityManager em = null;
    try {
        em = ExpCatResourceUtils.getEntityManager();
        em.getTransaction().begin();
        Query q;
        QueryGenerator generator;
        List results;
        switch(type) {
            case EXPERIMENT_INPUT:
                generator = new QueryGenerator(EXPERIMENT_INPUT);
                generator.setParameter(ExperimentInputConstants.EXPERIMENT_ID, experimentId);
                q = generator.selectQuery(em);
                results = q.getResultList();
                if (results.size() != 0) {
                    for (Object result : results) {
                        ExperimentInput experimentInput = (ExperimentInput) result;
                        ExperimentInputResource experimentInputResource = (ExperimentInputResource) Utils.getResource(ResourceType.EXPERIMENT_INPUT, experimentInput);
                        resourceList.add(experimentInputResource);
                    }
                }
                break;
            case EXPERIMENT_OUTPUT:
                generator = new QueryGenerator(EXPERIMENT_OUTPUT);
                generator.setParameter(ExperimentOutputConstants.EXPERIMENT_ID, experimentId);
                q = generator.selectQuery(em);
                results = q.getResultList();
                if (results.size() != 0) {
                    for (Object result : results) {
                        ExperimentOutput experimentOutput = (ExperimentOutput) result;
                        ExperimentOutputResource experimentOutputResource = (ExperimentOutputResource) Utils.getResource(ResourceType.EXPERIMENT_OUTPUT, experimentOutput);
                        resourceList.add(experimentOutputResource);
                    }
                }
                break;
            case PROCESS:
                generator = new QueryGenerator(PROCESS);
                generator.setParameter(ProcessConstants.EXPERIMENT_ID, experimentId);
                q = generator.selectQuery(em);
                results = q.getResultList();
                if (results.size() != 0) {
                    for (Object result : results) {
                        Process process = (Process) result;
                        ProcessResource processResource = (ProcessResource) Utils.getResource(ResourceType.PROCESS, process);
                        resourceList.add(processResource);
                    }
                }
                break;
            case EXPERIMENT_ERROR:
                generator = new QueryGenerator(EXPERIMENT_ERROR);
                generator.setParameter(ExperimentErrorConstants.EXPERIMENT_ID, experimentId);
                q = generator.selectQuery(em);
                results = q.getResultList();
                if (results.size() != 0) {
                    for (Object result : results) {
                        ExperimentError experimentError = (ExperimentError) result;
                        ExperimentErrorResource experimentErrorResource = (ExperimentErrorResource) Utils.getResource(ResourceType.EXPERIMENT_ERROR, experimentError);
                        resourceList.add(experimentErrorResource);
                    }
                }
                break;
            case EXPERIMENT_STATUS:
                generator = new QueryGenerator(EXPERIMENT_STATUS);
                generator.setParameter(ExperimentStatusConstants.EXPERIMENT_ID, experimentId);
                q = generator.selectQuery(em);
                results = q.getResultList();
                if (results.size() != 0) {
                    for (Object result : results) {
                        ExperimentStatus experimentStatus = (ExperimentStatus) result;
                        ExperimentStatusResource experimentStatusResource = (ExperimentStatusResource) Utils.getResource(ResourceType.EXPERIMENT_STATUS, experimentStatus);
                        resourceList.add(experimentStatusResource);
                    }
                }
                break;
            default:
                logger.error("Unsupported resource type for experiment resource.", new UnsupportedOperationException());
                throw new UnsupportedOperationException();
        }
        em.getTransaction().commit();
        if (em.isOpen()) {
            if (em.getTransaction().isActive()) {
                em.getTransaction().rollback();
            }
            em.close();
        }
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
        throw new RegistryException(e);
    } finally {
        if (em != null && em.isOpen()) {
            if (em.getTransaction().isActive()) {
                em.getTransaction().rollback();
            }
            em.close();
        }
    }
    return resourceList;
}