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.headissue.pigeon.admin.AdminSurveyHandler.java

public boolean disableSurvey(int _surveyId) {
    if (_surveyId <= 0) {
        return false;
    }//from   w  w w  .j  a  v  a2 s  . co m
    EntityManager _manager = factory.createEntityManager();
    try {
        Survey s = _manager.find(Survey.class, _surveyId);
        if (s == null) {
            return false;
        }
        _manager.getTransaction().begin();
        s.setStatus(SurveyStatus.DISABLED);
        _manager.getTransaction().commit();
        return true;
    } catch (Exception e) {
        LogUtils.warn(log, "set survey '%s' to disabled failed", _surveyId);
        _manager.getTransaction().rollback();
        return false;
    } finally {
        _manager.close();
    }
}

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

/**
 * Removes the task. Task is deleted and all the associated activities and
 * or files removed./* w w w. j  av  a2s  . co  m*/
 *
 * @param id Id of the task to remove
 */
@DELETE
public final void deleteTask(@PathParam("id") final String id) {
    Task task;
    EntityManager em = getEntityManager();
    try {
        task = em.find(Task.class, id);
        if (task == null) {
            throw new NotFoundException();
        }
        EntityTransaction et = em.getTransaction();
        try {
            et.begin();
            em.remove(task);
            et.commit();
        } catch (RuntimeException re) {
            if (et != null && et.isActive()) {
                et.rollback();
            }
            log.error(re);
            log.error("Impossible to remove the task");
            em.close();
            throw new InternalServerErrorException("Errore to remove " + "the task " + id);
        }
        try {
            Storage store = getStorage();
            store.removeAllFiles(Storage.RESOURCE.TASKS, id);
        } catch (IOException ex) {
            log.error("Impossible to remove the directory associated with " + "the task " + id);
        }
    } catch (IllegalArgumentException re) {
        log.error("Impossible to retrieve the task list");
        log.error(re);
        throw new BadRequestException("Task '" + id + "' has a problem!");
    } finally {
        em.close();
    }
}

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

@Override
public boolean update(Employee employee) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    try {/*from w w w .  ja va 2s  . c  om*/
        em.getTransaction().begin();

        em.merge(employee);
        em.flush();

        em.getTransaction().commit();
        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(EmployeeRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

From source file:com.enioka.jqm.tools.JqmEngine.java

@Override
public void resume() {
    EntityManager em = Helpers.getNewEm();
    em.getTransaction().begin();//from  w w w.java 2 s  .  c om
    em.createQuery("UPDATE Node n SET n.enabled = true WHERE n.id = :id").setParameter("id", node.getId())
            .executeUpdate();
    em.getTransaction().commit();
    em.close();
    refreshConfiguration();
}

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

/**
 * Creates the recipe.//from  w  ww. j ava2 s.c  o m
 * @param _groupId The id of the group that should contain the new recipe.
 * @param _entity Data to change.
 */
@POST
@TokenSecured
@Consumes("application/json")
@Produces({ "application/json" })
public Response postRecipe(@PathParam("groupid") int _groupId, RecipeInfo _entity) throws Exception {
    try {

        if (_entity.getUUID() == null || (_entity.getName() != null && _entity.getName().length() == 0)
                || (_entity.getDeleted() != null && _entity.getDeleted()))
            return ResponseFactory.generateBadRequest(CommonEntity.INVALID_DATA);

        UUID toCreate;
        try {
            toCreate = UUID.fromString(_entity.getUUID());
        } catch (IllegalArgumentException _e) {
            return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
        }
        Instant created;
        if (_entity.getLastChanged() != null) {
            created = _entity.getLastChanged().toInstant();
            if (Instant.now().isBefore(created))
                return ResponseFactory.generateBadRequest(CommonEntity.INVALID_CHANGEDATE);
        } else
            created = Instant.now();

        EntityManager manager = DatabaseHelper.getInstance().getManager();
        IRecipeController recipeController = ControllerFactory.getRecipeController(manager);
        try {
            recipeController.add(_groupId, toCreate, _entity.getName(), created);
        } catch (ConflictException _e) {
            return ResponseFactory.generateConflict(
                    new Error().withMessage("The sent data would " + "conflict with saved recipe."));
        } finally {
            manager.close();
        }

        return ResponseFactory.generateCreated(null);
    } catch (Exception _e) {
        _e.printStackTrace();
        throw _e;
    }
}

From source file:com.enioka.jqm.tools.JqmEngine.java

@Override
public void pause() {
    EntityManager em = Helpers.getNewEm();
    em.getTransaction().begin();/*  w ww. java  2  s  . co  m*/
    em.createQuery("UPDATE Node n SET n.enabled = false WHERE n.id = :id").setParameter("id", node.getId())
            .executeUpdate();
    em.getTransaction().commit();
    em.close();
    refreshConfiguration();
}

From source file:com.github.jinahya.persistence.ShadowTest.java

@Test(enabled = false, invocationCount = 1)
public void testPersist() {
    final EntityManager manager = LocalPU.createEntityManager();
    try {//from   w  w  w  . ja v a2  s . co m
        final EntityTransaction transaction = manager.getTransaction();
        transaction.begin();
        try {
            final Shadow shadow = persistInstance(manager, null, null);
            transaction.commit();
        } catch (Exception e) {
            LocalPU.printConstraintViolation(e);
            transaction.rollback();
            e.printStackTrace(System.err);
            Assert.fail(e.getMessage());
        }
    } finally {
        manager.close();
    }
}

From source file:de.zib.gndms.infra.system.GNDMSystemDirectory.java

/**
 * Creates a new EntityManager using <tt>emf</tt>.
 *
 * <p>Calls {@link #loadConfigletStates(javax.persistence.EntityManager)} and
 * {@link #createOrUpdateConfiglets(de.zib.gndms.model.common.ConfigletState[])} to load all configlets managed by
 * this EntityManager and update the {@link #configlets} map.
 * Old Configlets will be removed and shutted down using {@link #shutdownConfiglets()} 
 *
 * @param emf the factory the EntityManager will be created of
 *///from w w  w.ja  v  a  2 s  .co  m
public synchronized void reloadConfiglets(final EntityManagerFactory emf) {
    ConfigletState[] states;
    EntityManager em = emf.createEntityManager();
    try {
        states = loadConfigletStates(em);
        createOrUpdateConfiglets(states);
        shutdownOldConfiglets(em);
    } finally {
        if (em.isOpen())
            em.close();
    }
}

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

/**
 * Returns a single ingredient.// w ww  . ja v  a 2s .c o  m
 * @param _groupId The id of the group containing the tagged product.
 * @param _taggedProductUUID The uuid of the tagged product itself.
 */
@GET
@TokenSecured
@Path("{tpuuid}")
@Produces({ "application/json" })
public Response getTaggedProduct(@PathParam("groupid") int _groupId,
        @PathParam("tpuuid") String _taggedProductUUID) throws Exception {
    UUID toFind;
    try {
        toFind = UUID.fromString(_taggedProductUUID);
    } catch (IllegalArgumentException _e) {
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
    }

    EntityManager manager = DatabaseHelper.getInstance().getManager();
    DeviceGroup group = manager.find(DeviceGroup.class, _groupId);
    ITaggedProductController taggedProductController = ControllerFactory.getTaggedProductController(manager);

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

    TaggedProductInfo rtn = new TaggedProductInfo().withDeleted(false);
    rtn.setUUID(foundTaggedProduct.getUUID());
    rtn.setProductUUID(foundTaggedProduct.getProduct().getUUID());
    rtn.setTagUUID(foundTaggedProduct.getTag().getUUID());
    rtn.setLastChanged(Date.from(foundTaggedProduct.getUpdated()));

    return ResponseFactory.generateOK(rtn);
}

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

/**
 * Deletes the tag and linked tagged products (but not the products themselves).
 * @param _groupId The id of the group still containing the tag.
 * @param _tagUUID the uuid of the tag to delete.
 *///from w w w .j  a  v  a2  s  . c om
@DELETE
@TokenSecured
@Path("{taguuid}")
@Produces({ "application/json" })
public Response deleteTag(@PathParam("groupid") int _groupId, @PathParam("taguuid") String _tagUUID)
        throws Exception {
    UUID toDelete;
    try {
        toDelete = UUID.fromString(_tagUUID);
    } catch (IllegalArgumentException _e) {
        return ResponseFactory.generateBadRequest(CommonEntity.INVALID_UUID);
    }

    EntityManager manager = DatabaseHelper.getInstance().getManager();
    ITagController tagController = ControllerFactory.getTagController(manager);
    try {
        tagController.delete(_groupId, toDelete);
    } catch (NotFoundException _e) {
        return ResponseFactory.generateNotFound(new Error().withMessage("The tag was not " + "found."));
    } catch (GoneException _e) {
        return ResponseFactory.generateGone(new Error().withMessage("The tag has been " + "deleted."));
    } finally {
        manager.close();
    }

    return ResponseFactory.generateOK(null);
}