Example usage for javax.persistence EntityManager close

List of usage examples for javax.persistence EntityManager close

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Introduction

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

Prototype

public void close();

Source Link

Document

Close an application-managed entity manager.

Usage

From source file:com.epam.training.taranovski.web.project.repository.implementation.VacancyRepositoryImplementation.java

@Override
public boolean create(Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    try {/*from  w  w w. j  ava  2s  .c  o  m*/
        em.getTransaction().begin();
        em.persist(vacancy);
        em.getTransaction().commit();
        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(VacancyRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

From source file:org.SRV.testServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    double value1 = Double.parseDouble(request.getParameter("val1"));
    double value2 = Double.parseDouble(request.getParameter("val2"));

    UserDetails user = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
    String username = user.getUsername();
    //com.seostella_springsecuritybasics_war_1.0.0-BUILD-SNAPSHOTPU
    entityManagerFactory = Persistence.createEntityManagerFactory("org.SRV_war_1.0.0-BUILD-SNAPSHOTPU");

    double result = 0;
    switch (request.getParameter("operation").charAt(0)) {
    case '+':
        result = value1 + value2;//from   w  w  w. j ava  2s . c  o  m
        break;
    case '-':
        result = value1 - value2;
        break;
    case '*':
        result = value1 * value2;
        break;
    case '/':
        result = value1 / value2;
        break;
    default:
        break;
    }

    EntityManager entityManager = entityManagerFactory.createEntityManager();
    entityManager.getTransaction().begin();
    Date date = new Date();
    Essence essence = new Essence();
    essence.setLogin(username);
    essence.setDate(date);
    essence.setValue1(Double.toString(value1));
    essence.setValue2(Double.toString(value2));
    essence.setOperation(request.getParameter("operation"));
    essence.setResult(Double.toString(result));
    entityManager.persist(essence);
    entityManager.getTransaction().commit();
    entityManager.clear();
    entityManager.close();
    entityManagerFactory.close();
    JSONObject obj;
    obj = new JSONObject();
    obj.put("result", result);
    //response.getOutputStream().print(obj.toString());
    response.getWriter().write(obj.toString());
}

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

/**
 * Finds a single product.//from  ww  w.j  a v a 2s . com
 * @param _groupId The id of the group containing the searched product.
 * @param _productUUID The uuid of the needed product.
 */
@GET
@TokenSecured
@Path("{productuuid}")
@Produces({ "application/json" })
public Response getProduct(@PathParam("groupid") int _groupId, @PathParam("productuuid") String _productUUID)
        throws Exception {
    UUID toFind;
    try {
        toFind = UUID.fromString(_productUUID);
    } catch (IllegalArgumentException _e) {
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
    }

    EntityManager manager = DatabaseHelper.getInstance().getManager();
    DeviceGroup group = manager.find(DeviceGroup.class, _groupId);
    IProductController productController = ControllerFactory.getProductController(manager);

    Product foundProduct = productController.findByGroupAndUUID(group, toFind);
    if (foundProduct == null) {
        if (productController.findDeletedByGroupAndUUID(group, toFind) != null) {
            manager.close();
            return ResponseFactory
                    .generateGone(new Error().withMessage("The requested " + "product has been deleted."));
        }
        manager.close();
        return ResponseFactory
                .generateNotFound(new Error().withMessage("The requested " + "product was not found."));
    }
    manager.close();

    ProductInfo rtn = new ProductInfo().withDeleted(false);
    rtn.setUUID(toFind);
    rtn.setName(foundProduct.getName());
    rtn.setDefaultAmount(foundProduct.getDefaultAmount());
    rtn.setStepAmount(foundProduct.getStepAmount());
    if (foundProduct.getUnit() != null)
        rtn.setUnitUUID(foundProduct.getUnit().getUUID());
    rtn.setLastChanged(Date.from(foundProduct.getUpdated()));

    return ResponseFactory.generateOK(rtn);
}

From source file:org.opencastproject.userdirectory.jpa.JpaUserAndRoleProvider.java

/**
 * A utility class to load the user directory.
 * /*from  w  w w  .  jav  a2 s  . c om*/
 * @param user
 *          the user object
 */
public void addUser(JpaUser user) {

    // Create a JPA user with an encoded password.
    String encodedPassword = PasswordEncoder.encode(user.getPassword(), user.getUsername());
    user = new JpaUser(user.getUsername(), encodedPassword, user.getOrganization(), user.getRoles());

    // Then save the user
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        em.persist(user);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        if (em != null)
            em.close();
    }
}

From source file:in.bookmylab.jpa.JpaDAO.java

public UserProfile getProfile(User user) {
    EntityManager em = emf.createEntityManager();
    UserProfile p = null;/*from   w  w w .j av  a  2  s . c  o  m*/
    try {
        List<UserProfile> res = em.createNamedQuery("UserProfile.findByUser", UserProfile.class)
                .setParameter("user", user).getResultList();
        if (!res.isEmpty()) {
            p = res.get(0);
        }
    } finally {
        em.close();
    }
    return p;
}

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

/**
 * Creates the unit./*from  w  w w  . j a v  a 2s. co  m*/
 * @param _groupId The group-id the new Unit should belong to.
 * @param _entity Data of the new unit.
 */
@POST
@TokenSecured
@Consumes("application/json")
@Produces({ "application/json" })
public Response postUnit(@PathParam("groupid") int _groupId, UnitInfo _entity) throws Exception {
    if (_entity.getUUID() == null || (_entity.getDeleted() != null && _entity.getDeleted())
            || _entity.getName() == null || _entity.getName().length() == 0)
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_DATA);

    UUID toInsert;
    try {
        toInsert = UUID.fromString(_entity.getUUID());
    } catch (IllegalArgumentException _e) {
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
    }

    Instant insertDate;
    if (_entity.getLastChanged() == null)
        insertDate = Instant.now();
    else {
        insertDate = _entity.getLastChanged().toInstant();
        if (Instant.now().isBefore(insertDate))
            return ResponseFactory.generateBadRequest(CommonEntity.INVALID_CHANGEDATE);
    }

    EntityManager manager = DatabaseHelper.getInstance().getManager();
    IUnitController unitController = ControllerFactory.getUnitController(manager);
    try {
        unitController.add(_groupId, toInsert, _entity.getName(), insertDate);
    } catch (ConflictException _e) {
        return ResponseFactory.generateConflict(
                new Error().withMessage("The sent data would " + "lead to a conflict with saved unit."));
    } finally {
        manager.close();
    }

    return ResponseFactory.generateCreated(null);
}

From source file:org.fornax.cartridges.sculptor.framework.web.jpa.JpaFlowExecutionListener.java

public void sessionEnded(RequestContext context, FlowSession session, String outcome, AttributeMap output) {
    if (isPersistenceContext(session.getDefinition())) {
        final EntityManager em = (EntityManager) context.getConversationScope()
                .remove(session.getDefinition().getId() + "/" + PERSISTENCE_CONTEXT_ATTRIBUTE);
        Boolean commitStatus = session.getState().getAttributes().getBoolean("commit");
        if (Boolean.TRUE.equals(commitStatus)) {
            transactionTemplate.execute(new TransactionCallbackWithoutResult() {
                protected void doInTransactionWithoutResult(TransactionStatus status) {
                    em.joinTransaction();
                }/*from  www  .j  a va2  s .c om*/
            });
        }
        unbind(em);
        em.close();
    }
    if (!session.isRoot()) {
        FlowSession parent = session.getParent();
        if (isPersistenceContext(parent.getDefinition())) {
            bind(getEntityManager(context, parent.getDefinition().getId()));
        }
    }
}

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

/**
 * Returns a single ingredient.//from  w  w w. j a v  a  2  s.  c om
 * @param _groupId The id of the group containing the ingredient.
 * @param _entryUUID The uuid of the ingredient itself.
 */
@GET
@TokenSecured
@Path("{entryuuid}")
@Produces({ "application/json" })
public Response getIngredient(@PathParam("groupid") int _groupId, @PathParam("entryuuid") String _entryUUID)
        throws Exception {
    UUID toFind;
    try {
        toFind = UUID.fromString(_entryUUID);
    } catch (IllegalArgumentException _e) {
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
    }

    EntityManager manager = DatabaseHelper.getInstance().getManager();
    DeviceGroup group = manager.find(DeviceGroup.class, _groupId);
    IIngredientController ingredientController = ControllerFactory.getIngredientController(manager);

    Ingredient foundIngredient = ingredientController.findByGroupAndUUID(group, toFind);
    if (foundIngredient == null) {
        if (ingredientController.findDeletedByGroupAndUUID(group, toFind) != null) {
            manager.close();
            return ResponseFactory
                    .generateGone(new Error().withMessage("The requested " + "ingredient has been deleted."));
        }
        manager.close();
        return ResponseFactory
                .generateNotFound(new Error().withMessage("The requested " + "ingredient was not found."));
    }
    manager.close();

    IngredientInfo rtn = new IngredientInfo().withDeleted(false);
    rtn.setUUID(foundIngredient.getUUID());
    rtn.setProductUUID(foundIngredient.getProduct().getUUID());
    rtn.setRecipeUUID(foundIngredient.getRecipe().getUUID());
    rtn.setAmount(foundIngredient.getAmount());
    rtn.setLastChanged(Date.from(foundIngredient.getUpdated()));

    return ResponseFactory.generateOK(rtn);
}

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

/**
 * Creates a list in the group.//from w ww. jav a2 s.  c  o m
 * @param _groupId The id of the group containing the list.
 * @param _listInfo Information for changing the list. Not all information needs to be set.
 */
@POST
@TokenSecured
@Consumes("application/json")
@Produces({ "application/json" })
public Response postList(@PathParam("groupid") int _groupId, ListInfo _listInfo) throws Exception {
    if ((_listInfo.getDeleted() != null && _listInfo.getDeleted()) || _listInfo.getName() == null
            || _listInfo.getName().length() == 0 || _listInfo.getUUID() == null)
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_DATA);

    UUID listUUID;
    UUID categoryUUID = null;
    try {
        listUUID = UUID.fromString(_listInfo.getUUID());
        if (_listInfo.getCategoryUUID() != null)
            categoryUUID = UUID.fromString(_listInfo.getCategoryUUID());
    } catch (IllegalArgumentException _e) {
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
    }
    Instant created;
    if (_listInfo.getLastChanged() != null) {
        created = _listInfo.getLastChanged().toInstant();
        if (created.isAfter(Instant.now()))
            return ResponseFactory.generateBadRequest(CommonEntity.INVALID_CHANGEDATE);
    } else
        created = Instant.now();

    EntityManager manager = DatabaseHelper.getInstance().getManager();
    IListController listController = ControllerFactory.getListController(manager);
    try {
        listController.add(_groupId, listUUID, _listInfo.getName(), categoryUUID, created);
    } catch (ConflictException _e) {
        return ResponseFactory
                .generateConflict(new Error().withMessage("A list with this " + "uuid already exists."));
    } finally {
        manager.close();
    }

    return ResponseFactory.generateCreated(null);
}

From source file:com.sixsq.slipstream.persistence.Run.java

public static int viewListCount(User user, String moduleResourceUri, String cloudServiceName)
        throws ConfigurationException, ValidationException {
    int count = 0;
    EntityManager em = PersistenceUtil.createEntityManager();
    try {//from   w  w  w . j  a v  a2 s .c om
        CriteriaBuilder builder = em.getCriteriaBuilder();
        CriteriaQuery<Long> critQuery = builder.createQuery(Long.class);
        Root<Run> rootQuery = critQuery.from(Run.class);
        critQuery.select(builder.count(rootQuery));
        Predicate where = viewListCommonQueryOptions(builder, rootQuery, user, moduleResourceUri,
                cloudServiceName);
        if (where != null) {
            critQuery.where(where);
        }
        TypedQuery<Long> query = em.createQuery(critQuery);
        count = (int) (long) query.getSingleResult();
    } finally {
        em.close();
    }
    return count;
}