Example usage for javax.persistence EntityManagerFactory createEntityManager

Introduction

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

Prototype

public EntityManager createEntityManager();

Source Link

Document

Create a new application-managed EntityManager.

Usage

From source file:eu.supersede.fe.multitenant.MultiJpaProvider.java

@PostConstruct
private void load() {
    Map<String, DataSource> datasources = dataSourceBasedMultiTenantConnectionProviderImpl.getDataSources();

    repositoriesFactory = new HashMap<>();

    for (String n : datasources.keySet()) {
        try {//from w  w  w .j a  va2s .  com
            log.info("Loading database: " + datasources.get(n).getConnection().getMetaData().getURL());
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        Map<String, Object> hibernateProps = new LinkedHashMap<>();
        hibernateProps.putAll(jpaProperties.getHibernateProperties(datasources.get(n)));

        hibernateProps.put(Environment.DIALECT, "org.hibernate.dialect.PostgreSQLDialect");

        Set<String> packages = new HashSet<>();
        String[] tmp = MODELS_PACKAGES.split(",");

        for (String t : tmp) {
            packages.add(t.trim());
        }

        LocalContainerEntityManagerFactoryBean emfb = builder.dataSource(datasources.get(n))
                .packages(packages.toArray(new String[packages.size()])).properties(hibernateProps).jta(false)
                .build();

        emfb.afterPropertiesSet();
        EntityManagerFactory emf = emfb.getObject();
        EntityManager em = emf.createEntityManager();

        final JpaTransactionManager jpaTranMan = new JpaTransactionManager(emf);
        JpaRepositoryFactory jpaFactory = new JpaRepositoryFactory(em);
        jpaFactory.addRepositoryProxyPostProcessor(new MultiJpaRepositoryProxyPostProcessor(jpaTranMan));

        repositoriesFactory.put(n, new ContainerUtil(jpaFactory, emf, em));
    }
}

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From source file:ict.DoLoginServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//  www.j a  v  a2  s .co m
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    try {
        EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("WSPU");
        EntityManager entityManager = entityManagerFactory.createEntityManager();
        entityManager.getTransaction().begin();

        String _request = request.getParameter("AAA");
        String userID = new String(Base64.decodeBase64(_request));

        String _request_ = request.getParameter("BBB");
        String userPassword = new String(Base64.decodeBase64(_request_));

        //String userID = request.getParameter("userID");
        //String userPassword = request.getParameter("userPassword");
        User tmp = new User();
        tmp.setUserID(userID);
        tmp.setPassword(userPassword);
        System.out.println("*****" + tmp.getUserID());

        User user = entityManager.find(User.class, tmp.getUserID());
        if (user.getPassword().equals(tmp.getPassword())) {
            entityManager.getTransaction().commit();
            entityManager.close();
            entityManagerFactory.close();
            request.getSession(true).setAttribute("user", user.getUserName());
        }

    } catch (Exception e) {
        System.out.println("****ERROR:****" + e.getMessage());
    }
    response.sendRedirect("index.jsp");
}

---

From source file:com.dcsbootcamp.maven.integrationtest.GreeterConfig.java

/**
 * Provides a proxy instance of the current transaction's entity manager
 * which is ready to inject via constructor injection and guarantees
 * immutability.//from w  w w  .  ja  va2s.c om
 *
 * @param emf the entity manager factory
 * @return a proxy of entity manager
 */
@Bean
@Scope(SCOPE_PROTOTYPE)
EntityManager entityManagerProvider(EntityManagerFactory emf) {
    EntityManagerHolder holder = (EntityManagerHolder) getResource(emf);

    if (holder == null) {
        return emf.createEntityManager();
    }

    return holder.getEntityManager();
}

---

From source file:test.unit.be.fedict.hsm.entity.KeyStoreSingletonBeanTest.java

@Test
public void testSignature() throws Exception {
    EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("test");
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();//from  ww w  .jav  a  2s.  c  o  m

    KeyStoreEntity keyStoreEntity = new KeyStoreEntity("test", KeyStoreType.PKCS12,
            KeyStoreSingletonBeanTest.class.getResource("/keystore.p12").toURI().getPath(), "secret");
    entityManager.persist(keyStoreEntity);

    KeyStoreSingletonBean keyStoreSingletonBean = new KeyStoreSingletonBean();

    Field entityManagerField = KeyStoreSingletonBean.class.getDeclaredField("entityManager");
    entityManagerField.setAccessible(true);
    entityManagerField.set(keyStoreSingletonBean, entityManager);

    KeyStoreLoaderBean keyStoreLoaderBean = new KeyStoreLoaderBean();
    Field keyStoreLoaderField = KeyStoreSingletonBean.class.getDeclaredField("keyStoreLoader");
    keyStoreLoaderField.setAccessible(true);
    keyStoreLoaderField.set(keyStoreSingletonBean, keyStoreLoaderBean);

    keyStoreSingletonBean.loadKeys();

    keyStoreSingletonBean.newKeyStore(keyStoreEntity.getId());

    byte[] toBeSigned = "hello world".getBytes();
    MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
    messageDigest.update(toBeSigned);
    byte[] digestValue = messageDigest.digest();
    LOG.debug("digest value: " + new String(Hex.encodeHex(digestValue)));
    byte[] signatureValue = keyStoreSingletonBean.sign(keyStoreEntity.getId(), "alias", "SHA-1", digestValue);

    assertNotNull(signatureValue);
    LOG.debug("signature size: " + signatureValue.length);

    KeyStore keyStore = KeyStore.getInstance("PKCS12");
    keyStore.load(KeyStoreSingletonBeanTest.class.getResourceAsStream("/keystore.p12"), "secret".toCharArray());
    RSAPublicKey publicKey = (RSAPublicKey) keyStore.getCertificate("alias").getPublicKey();

    BigInteger signatureValueBigInteger = new BigInteger(signatureValue);
    BigInteger originalBigInteger = signatureValueBigInteger.modPow(publicKey.getPublicExponent(),
            publicKey.getModulus());
    LOG.debug("original message: " + new String(Hex.encodeHex(originalBigInteger.toByteArray())));

    Signature signature = Signature.getInstance("SHA1withRSA");
    signature.initVerify(publicKey);
    signature.update(toBeSigned);
    boolean result = signature.verify(signatureValue);
    assertTrue(result);
}

---

From source file:org.apache.shindig.social.opensocial.jpa.eclipselink.Bootstrap.java

public void init(String unitName) {

    Map<String, String> properties = Maps.newHashMap();

    // Ensure RESOURCE_LOCAL transactions is used.
    properties.put(TRANSACTION_TYPE, PersistenceUnitTransactionType.RESOURCE_LOCAL.name());

    // Configure the internal EclipseLink connection pool
    properties.put(JDBC_DRIVER, dbDriver);
    properties.put(JDBC_URL, dbUrl);
    properties.put(JDBC_USER, dbUser);//from   ww  w  .  j  a va2s.com
    properties.put(JDBC_PASSWORD, dbPassword);
    properties.put(JDBC_READ_CONNECTIONS_MIN, minRead);
    properties.put(JDBC_WRITE_CONNECTIONS_MIN, minWrite);

    // Configure logging. FINE ensures all SQL is shown
    properties.put(LOGGING_LEVEL, "FINE");
    properties.put(LOGGING_TIMESTAMP, "true");
    properties.put(LOGGING_THREAD, "false");
    properties.put(LOGGING_SESSION, "false");

    // Ensure that no server-platform is configured
    properties.put(TARGET_SERVER, TargetServer.None);

    properties.put(PersistenceUnitProperties.DDL_GENERATION, PersistenceUnitProperties.CREATE_ONLY);
    properties.put(PersistenceUnitProperties.DROP_JDBC_DDL_FILE, "drop.sql");
    properties.put(PersistenceUnitProperties.CREATE_JDBC_DDL_FILE, "create.sql");
    properties.put(PersistenceUnitProperties.DDL_GENERATION_MODE,
            PersistenceUnitProperties.DDL_BOTH_GENERATION);

    // properties.put(PersistenceUnitProperties.SESSION_CUSTOMIZER,
    // EnableIntegrityChecker.class.getName());

    LOG.info("Starting connection manager with properties " + properties);

    EntityManagerFactory emFactory = Persistence.createEntityManagerFactory(unitName, properties);
    entityManager = emFactory.createEntityManager();
}

---

From source file:org.tinymediamanager.core.TmmModuleManager.java

/**
 * start up tmm - do initialization code here
 *///  ww w  .j  a v a  2 s  .c o m
public void startUp() {
    // enhance if needed
    if (System.getProperty("tmmenhancer") != null) {
        // changed enhancer to be in sync with the build.xml
        com.objectdb.Enhancer.enhance("-s org.tinymediamanager.core.*");
        // com.objectdb.Enhancer.enhance("org.tinymediamanager.core.entities.*");
        // com.objectdb.Enhancer.enhance("org.tinymediamanager.core.movie.entities.*");
        // com.objectdb.Enhancer.enhance("org.tinymediamanager.core.tvshow.entities.*");
        // com.objectdb.Enhancer.enhance("org.tinymediamanager.scraper.MediaTrailer");
    }

    // get a connection to the database
    EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory(TMM_DB);
    try {
        entityManager = entityManagerFactory.createEntityManager();
    } catch (PersistenceException e) {
        if (e.getCause().getMessage().contains("does not match db file")) {
            // happens when there's a recovery file which does not match (cannot be recovered) - just delete and try again
            FileUtils.deleteQuietly(new File(TMM_DB + "$"));
            entityManager = entityManagerFactory.createEntityManager();
        } else {
            // unknown
            throw (e);
        }
    }
}

---

From source file:test.unit.be.fedict.trust.service.PersistenceTest.java

@Before
public void setUp() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    Ejb3Configuration configuration = new Ejb3Configuration();
    configuration.setProperty("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
    configuration.setProperty("hibernate.connection.driver_class", "org.hsqldb.jdbcDriver");
    configuration.setProperty("hibernate.connection.url", "jdbc:hsqldb:mem:beta");
    configuration.setProperty("hibernate.hbm2ddl.auto", "create");
    configuration.addAnnotatedClass(CertificateAuthorityEntity.class);
    configuration.addAnnotatedClass(RevokedCertificateEntity.class);
    configuration.addAnnotatedClass(TrustDomainEntity.class);
    configuration.addAnnotatedClass(CertificateConstraintEntity.class);
    configuration.addAnnotatedClass(PolicyConstraintEntity.class);
    configuration.addAnnotatedClass(DNConstraintEntity.class);
    configuration.addAnnotatedClass(EndEntityConstraintEntity.class);
    configuration.addAnnotatedClass(KeyUsageConstraintEntity.class);
    configuration.addAnnotatedClass(QCStatementsConstraintEntity.class);
    configuration.addAnnotatedClass(TrustPointEntity.class);
    configuration.addAnnotatedClass(AuditEntity.class);
    EntityManagerFactory entityManagerFactory = configuration.buildEntityManagerFactory();

    this.entityManager = entityManagerFactory.createEntityManager();
    this.entityManager.getTransaction().begin();
}

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From source file:proyectodavid.Negocio.Estadistica.SAEstadisticaImp.java

public SAEstadisticaImp() {

    EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("ProyectoDavidPU");

    this.entityManager = entityManagerFactory.createEntityManager();

}

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

/**
 * Return the EntityManager./*from w  ww  .  ja  va  2 s .co  m*/
 * Create a JPA EntityManger from the EntityMangerFactory registered
 * for this servlet context
 *
 * @return The EntityManager
 */
protected final EntityManager getEntityManager() {
    EntityManagerFactory emf = (EntityManagerFactory) getRequest().getServletContext()
            .getAttribute(Constants.SESSIONFACTORY);
    return emf.createEntityManager();
}

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From source file:ejb.bean.UsuarioDAOJPAImplBean.java

/**Mtodo para a busca de todos os usurios existentes no banco de dados.
 * @author Richel Sensineli//ww w. ja v a2s .co m
 * @param nome String - Nome do usurio
 * @return Collection list
 */
@Override
public Collection buscaTodosUsuarios() {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("UsuarioPU");
    EntityManager em = emf.createEntityManager();
    Query q = em.createQuery("select u from UsuarioImpl u");
    Collection result = null;
    result = q.getResultList();
    em.clear();
    em.close();
    emf.close();
    return result;
}

---

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