Example usage for javax.persistence EntityManager find

List of usage examples for javax.persistence EntityManager find

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Introduction

In this page you can find the example usage for javax.persistence EntityManager find.

Prototype

public <T> T find(Class<T> entityClass, Object primaryKey);

Source Link

Document

Find by primary key.

Usage

From source file:it.infn.ct.futuregateway.apiserver.v1.ApplicationCollectionService.java

/**
 * Register a new application./*from   w w  w .j  a  va  2 s  . co m*/
 *
 * @param application The application to register
 * @return The registered application
 */
@POST
@Status(Response.Status.CREATED)
@Consumes({ MediaType.APPLICATION_JSON, Constants.INDIGOMIMETYPE })
@Produces(Constants.INDIGOMIMETYPE)
public final Application createApplication(final Application application) {
    if (application.getInfrastructureIds() == null || application.getInfrastructureIds().isEmpty()) {
        throw new BadRequestException();
    }
    Date now = new Date();
    application.setDateCreated(now);
    EntityManager em = getEntityManager();
    EntityTransaction et = null;
    try {
        et = em.getTransaction();
        et.begin();
        List<Infrastructure> lstInfra = new LinkedList<>();
        for (String infraId : application.getInfrastructureIds()) {
            Infrastructure infra = em.find(Infrastructure.class, infraId);
            if (infra == null) {
                throw new BadRequestException();
            }
            lstInfra.add(infra);
        }
        application.setInfrastructures(lstInfra);
        em.persist(application);
        et.commit();
        log.debug("New application registered: " + application.getId());
    } catch (BadRequestException re) {
        throw re;
    } catch (RuntimeException re) {
        log.error("Impossible to create the application");
        log.error(re);
        throw re;
    } finally {
        if (et != null && et.isActive()) {
            et.rollback();
        }
        em.close();
    }
    return application;
}

From source file:nl.b3p.kaartenbalie.struts.WMSUrlCreatorAction.java

public void createLists(DynaValidatorForm form, HttpServletRequest request) throws JSONException, Exception {
    super.createLists(form, request);

    log.debug("Getting entity manager ......");
    EntityManager em = getEntityManager();
    User sesuser = (User) request.getUserPrincipal();
    if (sesuser == null) {
        return;//from   w ww . ja  va  2  s . c o m
    }
    User user = (User) em.find(User.class, sesuser.getId());
    if (user == null) {
        return;
    }
    form.set("personalUrl", user.getPersonalURL(request));
    String bbox = (String) form.get("bbox");
    if (bbox == null || bbox.length() == 0) {
        form.set("bbox", "12000,304000,280000,620000"); // heel nederland
    }
    String[] formats = new String[5];
    formats[0] = "image/gif";
    formats[1] = "image/png";
    formats[2] = "image/jpeg";
    formats[3] = "image/bmp";
    formats[4] = "image/tiff";
    request.setAttribute("formatList", formats);

    Set userLayers = user.getLayers();
    JSONObject root = createTree("Kaartlagen", userLayers);
    request.setAttribute("layerList", root);

    LayerValidator lv = new LayerValidator(userLayers);
    String[] alSrsen = lv.validateSRS();
    request.setAttribute("projectieList", alSrsen);

}

From source file:org.noorganization.instalist.server.api.UnitResource.java

/**
 * Returns the unit.//from  w  w  w .  j a v a2 s . c o m
 * @param _groupId The croup containing the requested unit.
 * @param _unitUUID The uuid of the requested unit.
 */
@GET
@TokenSecured
@Path("{unituuid}")
@Produces({ "application/json" })
public Response getUnit(@PathParam("groupid") int _groupId, @PathParam("unituuid") String _unitUUID)
        throws Exception {
    try {

        UUID toFind;
        try {
            toFind = UUID.fromString(_unitUUID);
        } catch (IllegalArgumentException _e) {
            return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
        }

        EntityManager manager = DatabaseHelper.getInstance().getManager();
        IUnitController unitController = ControllerFactory.getUnitController(manager);
        DeviceGroup group = manager.find(DeviceGroup.class, _groupId);

        Unit resultUnit = unitController.findByGroupAndUUID(group, toFind);
        if (resultUnit == null) {
            if (unitController.findDeletedByGroupAndUUID(group, toFind) == null) {
                manager.close();
                return ResponseFactory
                        .generateNotFound(new Error().withMessage("The requested " + "unit was not found."));
            }
            manager.close();
            return ResponseFactory
                    .generateGone(new Error().withMessage("The requested unit has " + "been deleted."));
        }
        manager.close();

        UnitInfo rtn = new UnitInfo().withDeleted(false);
        rtn.setName(resultUnit.getName());
        rtn.setUUID(resultUnit.getUUID());
        rtn.setLastChanged(Date.from(resultUnit.getUpdated()));

        return ResponseFactory.generateOK(rtn);
    } catch (Exception _e) {
        _e.printStackTrace();
        throw _e;
    }
}

From source file:org.apache.juddi.validation.ValidateSubscription.java

private void validateSubscriptionBindingkeyExists(EntityManager em, String bindingKey)
        throws ValueNotAllowedException {
    if (bindingKey == null || bindingKey.length() == 0) {
        return;//w  w w.j  a  va  2 s  .co m
    }
    Object obj = em.find(org.apache.juddi.model.BindingTemplate.class, bindingKey);
    if (obj == null) {
        throw new ValueNotAllowedException(
                new ErrorMessage("errors.subscription.BindingDoesntExist", bindingKey));
    }
}

From source file:com.gigglinggnus.controllers.ManageExamsController.java

/**
 *
 * @param request servlet request/*from w  w  w . j a  va2s .co m*/
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    EntityManager em = (EntityManager) request.getSession().getAttribute("em");

    String examId = request.getParameter("examid");
    String status = request.getParameter("status");
    Clock clk = (Clock) (request.getSession().getAttribute("clock"));
    User user = (User) (request.getSession().getAttribute("user"));

    Exam exam = em.find(Exam.class, examId);

    try {
        em.getTransaction().begin();
    } catch (Exception e) {
    }

    try {
        if (status.equals("approved")) {
            user.changeExamStatus(exam, ExamStatus.APPROVED);
            em.persist(exam);
            em.getTransaction().commit();
            request.setAttribute("msg", "Exam APPROVED");
        } else if (status.equals("denied")) {
            user.changeExamStatus(exam, ExamStatus.DENIED);
            em.persist(exam);
            em.getTransaction().commit();
            request.setAttribute("msg", "Exam Denied");
        } else {
            request.setAttribute("msg", "Invalid status");
        }
    } catch (Exception e) {
        em.getTransaction().rollback();
        request.setAttribute("msg", e.toString());
        throw e;
    }

    RequestDispatcher rd = request.getRequestDispatcher("/home.jsp");
    rd.forward(request, response);
}

From source file:org.opencastproject.scheduler.impl.persistence.SchedulerServiceDatabaseImpl.java

@Override
public Properties getEventMetadata(long eventId) throws NotFoundException, SchedulerServiceDatabaseException {
    EntityManager em = null;
    try {//from w  ww  .j ava2s .  c om
        em = emf.createEntityManager();
        EventEntity entity = em.find(EventEntity.class, eventId);
        if (entity == null) {
            throw new NotFoundException("Could not found series with ID " + eventId);
        }
        Properties caProperties = null;
        if (entity.getCaptureAgentMetadata() != null) {
            caProperties = parseProperties(entity.getCaptureAgentMetadata());
        }
        return caProperties;
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not retrieve CA properties for event '{}': {}", eventId, e.getMessage());
        throw new SchedulerServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

From source file:org.rhq.enterprise.server.content.test.ContentUIManagerBeanEligiblePackagesTest.java

private void setupTestEnvironment() throws Exception {
    getTransactionManager().begin();//ww w  .java 2 s .c  om
    EntityManager em = getEntityManager();

    try {
        try {
            architecture = em.find(Architecture.class, 1);

            resourceType = new ResourceType("resourcetype-" + System.currentTimeMillis(), "TestPlugin",
                    ResourceCategory.PLATFORM, null);
            em.persist(resourceType);

            // Create resource against which we'll be retrieving packages
            resource = new Resource("parent" + System.currentTimeMillis(), "name", resourceType);
            resource.setUuid("" + new Random().nextInt());
            resource.setVersion("1.0");
            em.persist(resource);

            // Product versions
            productVersion1 = new ProductVersion();
            productVersion1.setVersion("1.0");
            productVersion1.setResourceType(resourceType);
            em.persist(productVersion1);

            resource.setProductVersion(productVersion1);

            productVersion2 = new ProductVersion();
            productVersion2.setVersion("2.0");
            productVersion2.setResourceType(resourceType);
            em.persist(productVersion2);

            // Add package types to resource type
            packageType1 = new PackageType();
            packageType1.setName("package1-" + System.currentTimeMillis());
            packageType1.setDescription("");
            packageType1.setCategory(PackageCategory.DEPLOYABLE);
            packageType1.setDisplayName("TestResourcePackage");
            packageType1.setCreationData(true);
            packageType1.setResourceType(resourceType);
            em.persist(packageType1);

            resourceType.addPackageType(packageType1);

            // Package 1 - No product versions specified
            package1 = new Package("Package1", packageType1);
            PackageVersion packageVersion1 = new PackageVersion(package1, "1.0.0", architecture);
            package1.addVersion(packageVersion1);

            em.persist(package1);

            // Package 2 - Has list of product versions that contains the resource's version
            package2 = new Package("Package2", packageType1);
            PackageVersion packageVersion2 = new PackageVersion(package2, "1.0.0", architecture);
            ProductVersionPackageVersion pvpv1 = packageVersion2.addProductVersion(productVersion1);
            ProductVersionPackageVersion pvpv2 = packageVersion2.addProductVersion(productVersion2);
            package2.addVersion(packageVersion2);

            em.persist(package2);
            em.persist(pvpv1);
            em.persist(pvpv2);

            // Package 3 - Has list of product versions where the resource version is not included
            package3 = new Package("Package3", packageType1);
            PackageVersion packageVersion3 = new PackageVersion(package3, "1.0.0", architecture);
            ProductVersionPackageVersion pvpv3 = packageVersion3.addProductVersion(productVersion2);
            package3.addVersion(packageVersion3);

            em.persist(package3);
            em.persist(pvpv3);

            // Package 4 - No product version restriction, but already installed on the resource
            package4 = new Package("Package4", packageType1);
            PackageVersion packageVersion4 = new PackageVersion(package4, "1.0.0", architecture);
            package4.addVersion(packageVersion4);

            em.persist(package4);

            // Wire up the repo to the resource and add all of these packages to it
            repo1 = new Repo("repo-" + RandomStringUtils.randomNumeric(6));
            em.persist(repo1);

            repoPackageVersion1 = repo1.addPackageVersion(packageVersion1);
            repoPackageVersion2 = repo1.addPackageVersion(packageVersion2);
            repoPackageVersion3 = repo1.addPackageVersion(packageVersion3);
            repoPackageVersion4 = repo1.addPackageVersion(packageVersion4);

            em.persist(repoPackageVersion1);
            em.persist(repoPackageVersion2);
            em.persist(repoPackageVersion3);
            em.persist(repoPackageVersion4);

            resourceRepo1 = repo1.addResource(resource);
            em.persist(resourceRepo1);

            // Subscribe the resource to a second repo to make sure the joins won't duplicate stuff
            repo2 = new Repo("test-" + RandomStringUtils.randomNumeric(6));
            em.persist(repo2);

            resourceRepo2 = repo2.addResource(resource);
            em.persist(resourceRepo2);

            installedPackage1 = new InstalledPackage();
            installedPackage1.setResource(resource);
            installedPackage1.setPackageVersion(packageVersion4);
            resource.addInstalledPackage(installedPackage1);

            getTransactionManager().commit();
        } catch (Exception e) {
            e.printStackTrace();
            getTransactionManager().rollback();
            throw e;
        }
    } finally {
        em.close();
    }
}

From source file:org.opencastproject.adminui.usersettings.UserSettingsService.java

/**
 * Delete a user setting by using a unique id to find it.
 *
 * @param id/*from   w  w  w. j av a  2  s .com*/
 *          The unique id for the user setting.
 * @throws UserSettingsServiceException
 */
public void deleteUserSetting(long id) throws UserSettingsServiceException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        UserSettingDto userSettingsDto = em.find(UserSettingDto.class, id);
        tx = em.getTransaction();
        tx.begin();
        em.remove(userSettingsDto);
        tx.commit();
    } catch (Exception e) {
        logger.error("Could not delete user setting '%d': %s", id, ExceptionUtils.getStackTrace(e));
        if (tx.isActive())
            tx.rollback();
        throw new UserSettingsServiceException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

From source file:com.olp.jpa.domain.docu.ut.repo.EmployeeRepositoryImpl.java

@Override
@Transactional//from w w  w  .j a v  a 2s  . c  om
public EmployeeBean createEmployee(EmployeeBean employee, DepartmentBean dept, EmployeeBean manager) {

    save(employee);

    EntityManager em = getEntityManager();

    if (dept != null) {
        /*
        if (em.contains(dept)) {
        employee.setCurrentDept(dept);
        dept.getEmployees().add(employee);
        } else {
                
        DepartmentBean dept2 = em.merge(dept);
        employee.setCurrentDept(dept2);
        dept2.getEmployees().add(employee);
        }
        */

        dept = em.find(DepartmentBean.class, dept.getId());

        employee.setDepartmentRef(dept);
        dept.getEmployees().add(employee);

    }

    return (employee);
}