Example usage for javax.persistence EntityManager persist

List of usage examples for javax.persistence EntityManager persist

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Introduction

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

Prototype

public void persist(Object entity);

Source Link

Document

Make an instance managed and persistent.

Usage

From source file:org.eclipse.jubula.client.core.persistence.ProjectPM.java

/**
 * Persists the given project to the DB. This is performed in a new session.
 * When this method returns, the project will not be attached to any session.
 * @param proj ProjectPO to be saved./*from w  w w  .ja  va  2 s .  co  m*/
 * @param newProjectName
 *            name part of the ProjectNamePO. If there is no new name, this
 *            parameter must be null (same project, different version)
 * @param mapperList a List of INameMapper to persist names (Parameter).
 * @param compNameBindingList a List of Component Name mappers to persist 
 *                            names (Component).
 * @throws PMException in case of any db error
 * @throws ProjectDeletedException if project is already deleted
 * @throws InterruptedException if the operation is canceled
 */
public static void saveProject(IProjectPO proj, String newProjectName, List<INameMapper> mapperList,
        List<IWritableComponentNameMapper> compNameBindingList)
        throws PMException, ProjectDeletedException, InterruptedException {

    final EntityManager saveSession = Persistor.instance().openSession();
    EntityTransaction tx = null;
    try {
        tx = Persistor.instance().getTransaction(saveSession);

        saveSession.persist(proj);
        proj.setParentProjectId(proj.getId());

        saveSession.flush();
        if (newProjectName != null) {
            ProjectNameBP.getInstance().setName(saveSession, proj.getGuid(), newProjectName);
        }
        ProjectNameBP.getInstance().storeTransientNames(saveSession);
        for (INameMapper mapper : mapperList) {
            mapper.persist(saveSession, proj.getId());
        }
        for (IWritableComponentNameMapper compNameBinding : compNameBindingList) {
            CompNamePM.flushCompNames(saveSession, proj.getId(), compNameBinding);
        }
        Persistor.instance().commitTransaction(saveSession, tx);
        for (INameMapper mapper : mapperList) {
            mapper.updateStandardMapperAndCleanup(proj.getId());
        }
        for (IComponentNameMapper compNameCache : compNameBindingList) {
            compNameCache.getCompNameCache().updateStandardMapperAndCleanup(proj.getId());
        }
    } catch (PersistenceException e) {
        if (tx != null) {
            Persistor.instance().rollbackTransaction(saveSession, tx);
        }
        if (e.getCause() instanceof InterruptedException) {
            // Operation was canceled.
            throw new InterruptedException();
        }
        String msg = Messages.CantSaveProject + StringConstants.DOT;
        throw new PMSaveException(msg + e.getMessage(), MessageIDs.E_ATTACH_PROJECT);
    } catch (IncompatibleTypeException ite) {
        if (tx != null) {
            Persistor.instance().rollbackTransaction(saveSession, tx);
        }
        String msg = Messages.CantSaveProject + StringConstants.DOT;
        throw new PMSaveException(msg + ite.getMessage(), MessageIDs.E_ATTACH_PROJECT);
    } finally {
        Persistor.instance().dropSession(saveSession);
    }
}

From source file:BO.UserHandler.java

public boolean login(VUser u) {

    EntityManager em;
    EntityManagerFactory emf;//  ww  w  .j  ava 2 s .c  om
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();

    try {

        Query q = em.createQuery("SELECT u FROM User u WHERE u.email LIKE :email");
        q.setParameter("email", u.getEmail());
        q.setMaxResults(1);
        q.getSingleResult();
        return true;
    } catch (NoResultException e) {
        em.getTransaction().begin();
        User userToInsert = new User(u.getEmail());
        em.persist(userToInsert);
        em.flush();
        em.getTransaction().commit();
        return true;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }
}

From source file:BO.UserHandler.java

public boolean updateDeviceToken(VUser u) {
    EntityManager em;
    EntityManagerFactory emf;/*from w  ww.j a  v a 2s  . c  om*/
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();
    System.out.println("Updating token: " + u.getDeviceToken());
    try {
        em.getTransaction().begin();
        User user;
        user = (User) em.createQuery("SELECT u FROM User u WHERE u.email LIKE :email")
                .setParameter("email", u.getEmail()).setMaxResults(1).getSingleResult();
        user.setDeviceToken(u.getDeviceToken());
        em.persist(user);
        em.flush();
        em.getTransaction().commit();

        return true;
    } catch (NoResultException e) {
        return false;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }

}

From source file:de.egore911.opengate.services.GameserverService.java

@GET
@Path("/add")
@Produces("application/json")
@Documentation("Add or update a gameserver to the list of available game servers. "
        + "The remote IP will be obtained from the packet sent to the server so server "
        + "behind a NAT will not work. The method will answer using a JSON object like "
        + "{status: 'ok', detail: '...'}.")
public Response addGameserver(@Context HttpServletRequest req) {
    String remoteAddr = req.getRemoteAddr();
    EntityManager em = EntityManagerFilter.getEntityManager();
    Gameserver gameserver;// ww  w  .j ava2  s .  c  o m
    try {
        JSONObject retval = new JSONObject();
        StatusHelper.ok(retval);
        try {
            gameserver = (Gameserver) em
                    .createQuery("select gameserver from Gameserver gameserver where address = :address")
                    .setParameter("address", remoteAddr).getSingleResult();
            retval.put("detail", "Gameserver updated");
        } catch (NoResultException e) {
            gameserver = new Gameserver();
            gameserver.setAddress(remoteAddr);
            retval.put("detail", "Gameserver added");
        }
        gameserver.setLastSeen(new Date());
        em.persist(gameserver);
        return Response.ok(retval.toString()).build();
    } catch (JSONException e) {
        LOG.log(Level.SEVERE, e.getMessage(), e);
        return Response.status(Status.INTERNAL_SERVER_ERROR).build();
    }
}

From source file:org.opencastproject.comments.events.persistence.EventCommentDatabaseServiceImpl.java

@Override
public Comment updateComment(String eventId, Comment comment) throws EventCommentDatabaseException {
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {//from   w  w  w  .j  ava2  s. com
        tx.begin();
        CommentDto updatedComment = CommentDatabaseUtils.mergeComment(comment, em);

        EventCommentDto dto = getEventComment(eventId, updatedComment.getId(), em);
        if (dto == null) {
            dto = new EventCommentDto(eventId, updatedComment, securityService.getOrganization().getId());
            em.persist(dto);
        } else {
            dto.setComment(updatedComment);
            em.merge(dto);
        }
        tx.commit();
        comment = updatedComment.toComment(userDirectoryService);
        sendMessageUpdate(eventId);
        return comment;
    } catch (Exception e) {
        logger.error("Could not update or store comment: {}", ExceptionUtils.getStackTrace(e));
        if (tx.isActive())
            tx.rollback();

        throw new EventCommentDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

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

@Test(enabled = ENABLED)
public void addRepoRelationship() throws Exception {
    // Setup/*  w w w  .j  a  va2  s . co m*/
    EntityManager entityManager = getEntityManager();

    Repo repo = new Repo("repo1");
    Repo relatedRepo = new Repo("repo2");

    repo = repoManager.createRepo(overlord, repo);
    relatedRepo = repoManager.createRepo(overlord, relatedRepo);

    String relationshipTypeName = "testRelationshipType";
    RepoRelationshipType relationshipType = new RepoRelationshipType(relationshipTypeName);
    entityManager.persist(relationshipType);
    entityManager.flush();

    // Test
    repoManager.addRepoRelationship(overlord, repo.getId(), relatedRepo.getId(), relationshipTypeName);

    // Verify
    RepoCriteria repoCriteria = new RepoCriteria();
    repoCriteria.fetchRepoRepoGroups(true);
    repoCriteria.addFilterId(repo.getId());

    PageList<Repo> repoPageList = repoManager.findReposByCriteria(overlord, repoCriteria);
    assert repoPageList.size() == 1;

    Repo persistedRepo = repoPageList.get(0);
    Set<RepoRepoRelationship> relationships = persistedRepo.getRepoRepoRelationships();
    assert relationships.size() == 1;

    RepoRepoRelationship relationship = relationships.iterator().next();
    assert relationship.getRepoRepoRelationshipPK().getRepo().getName().equals("repo1");
    assert relationship.getRepoRepoRelationshipPK().getRepoRelationship().getRelatedRepo().getName()
            .equals("repo2");
    assert relationship.getRepoRepoRelationshipPK().getRepoRelationship().getRepoRelationshipType().getName()
            .equals(relationshipTypeName);

    // Cleanup handled by rollback in tear down method
}

From source file:com.sun.socialsite.userapi.UserManagerImpl.java

private UserRole getOrCreateRole(String roleName) throws PersistenceException {
    UserRole role = null;/*from  w  w w . j  a  v a  2  s. c o  m*/
    try {
        Query query = getNamedQuery("UserRole.findByRoleName");
        query.setParameter("roleName", roleName);
        role = (UserRole) query.getSingleResult();
    } catch (NoResultException nre) {
        // create the role in database
        EntityManager em2 = null;
        try {
            em2 = getEmf().createEntityManager();
            em2.getTransaction().begin();
            UserRole newRole = new UserRole();
            newRole.setRoleName(roleName);
            em2.persist(newRole);
            em2.flush();
            em2.getTransaction().commit();
        } catch (PersistenceException pe) {
            if (em2 == null) {
                // If we couldn't even create an EntityManager, something is clearly wrong
                throw pe;
            } else {
                // Otherwise, ignore exception for now; the role may have been created in another thread
                if (em2.getTransaction().isActive())
                    em2.getTransaction().rollback();
            }
        } finally {
            if (em2 != null)
                em2.close();
        }
    }

    // If role is null, try again (since it _should_ now exist in the DB).
    if (role == null) {
        Query query = getNamedQuery("UserRole.findByRoleName");
        query.setParameter("roleName", roleName);
        role = (UserRole) query.getSingleResult();
    }

    return role;
}

From source file:org.artificer.repository.hibernate.HibernatePersistenceManager.java

@Override
public ArtificerOntology persistOntology(final ArtificerOntology ontology) throws ArtificerException {
    if (StringUtils.isBlank(ontology.getUuid())) {
        ontology.setUuid(UUID.randomUUID().toString());
    }//from w  w  w  . j a  v a 2  s  .com

    new HibernateUtil.HibernateTask<Void>() {
        @Override
        protected Void doExecute(EntityManager entityManager) throws Exception {
            // Don't trust users to properly set both sides of the association...
            for (ArtificerOntologyClass rootClass : ontology.getRootClasses()) {
                if (rootClass.getRoot() == null) {
                    rootClass.setRoot(ontology);
                }
            }

            entityManager.persist(ontology);
            return null;
        }
    }.execute();

    return ontology;
}

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

/**
 * Update a user setting that currently exists using its unique id to find it.
 * @param id The id for the user setting.
 * @param key The key for the user setting.
 * @param value The value for the user setting.
 * @return The updated {@link UserSetting}.
 * @throws UserSettingsServiceException//from w  w w  . j av  a  2 s  .c  om
 */
public UserSetting updateUserSetting(long id, String key, String value) throws UserSettingsServiceException {
    EntityManager em = null;
    EntityTransaction tx = null;
    String orgId = "";
    String username = "";
    logger.debug("Updating user setting id: %d key: %s value: %s", id, key, value);
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        orgId = securityService.getOrganization().getId();
        username = securityService.getUser().getUsername();
        UserSettingDto userSettingDto = em.find(UserSettingDto.class, id);
        em.persist(userSettingDto);
        userSettingDto.setKey(key);
        userSettingDto.setValue(value);
        tx.commit();
        return userSettingDto.toUserSetting();
    } catch (Exception e) {
        logger.error("Could not update user setting username '%s' org:'%s' id:'%d' key:'%s' value:'%s':\n%s",
                username, orgId, id, key, value, ExceptionUtils.getStackTrace(e));
        if (tx.isActive()) {
            tx.rollback();
        }
        throw new UserSettingsServiceException(e);
    } finally {
        if (em != null) {
            em.close();
        }
    }
}

From source file:org.odk.aggregate.servlet.FormUploadServlet.java

/**
 * Handler for HTTP Post request that takes an xform, parses, and saves a 
 * parsed version in the datastore /*  w w  w . j a va2 s.com*/
 * 
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 */
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
    UserService userService = UserServiceFactory.getUserService();
    User user = userService.getCurrentUser();

    // verify user is logged in
    if (!verifyCredentials(req, resp)) {
        return;
    }

    // verify request is multipart
    if (!ServletFileUpload.isMultipartContent(req)) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, ErrorConsts.NO_MULTI_PART_CONTENT);
        return;
    }

    try {
        // process form
        MultiPartFormData uploadedFormItems = new MultiPartFormData(req);

        MultiPartFormItem formNameData = uploadedFormItems.getFormDataByFieldName(ServletConsts.FORM_NAME_PRAM);
        MultiPartFormItem formXmlData = uploadedFormItems.getFormDataByFieldName(ServletConsts.FORM_DEF_PRAM);

        FormParserForJavaRosa parser = null;
        String formName = null;
        String formXml = null;
        String xmlFileName = "default.xml";

        if (formNameData != null) {
            formName = formNameData.getStream().toString("UTF-8");
        }
        if (formXmlData != null) {
            // TODO: changed added output stream writer. probably something better exists
            formXml = formXmlData.getStream().toString("UTF-8");
            xmlFileName = formXmlData.getFilename();
        }

        // persist form
        EntityManager em = EMFactory.get().createEntityManager();

        if (formName != null && formXml != null) {
            try {
                parser = new FormParserForJavaRosa(formName, user.getNickname(), formXml, xmlFileName, em);
            } catch (ODKFormAlreadyExistsException e) {
                resp.sendError(HttpServletResponse.SC_CONFLICT, ErrorConsts.FORM_WITH_ODKID_EXISTS);
                return;
            }
        } else {
            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, ErrorConsts.MISSING_FORM_INFO);
            return;
        }

        // TODO: do better error handling
        try {
            Form form = parser.getForm();
            em.persist(form);
            form.printDataTree(System.out);
        } catch (Exception e) {
            e.printStackTrace();
        }
        em.close();
        resp.sendRedirect(FormsServlet.ADDR);

    } catch (FileUploadException e) {
        e.printStackTrace(resp.getWriter());
    }

}