Example usage for javax.persistence EntityManager close

List of usage examples for javax.persistence EntityManager close

  1. HOME
  2. Java
  3. javax
  4. javax.persistence.*
  5. EntityManager
  6. close

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:au.org.ands.vocabs.toolkit.db.AccessPointUtils.java

/** Get all access points of a certain type for a version.
 * @param version The version./*from   w w w .ja v a2  s  .  co m*/
 * @param type The type of access point to look for.
 * @return The list of access points for this version.
 */
public static List<AccessPoint> getAccessPointsForVersionAndType(final Version version, final String type) {
    EntityManager em = DBContext.getEntityManager();
    TypedQuery<AccessPoint> q = em
            .createNamedQuery(AccessPoint.GET_ACCESSPOINTS_FOR_VERSION_AND_TYPE, AccessPoint.class)
            .setParameter(AccessPoint.GET_ACCESSPOINTS_FOR_VERSION_AND_TYPE_VERSIONID, version.getId())
            .setParameter(AccessPoint.GET_ACCESSPOINTS_FOR_VERSION_AND_TYPE_TYPE, type);
    List<AccessPoint> aps = q.getResultList();
    em.close();
    return aps;
}

From source file:au.org.ands.vocabs.toolkit.db.AccessPointUtils.java

/** Delete all access points of a certain type for a version.
 * @param version The version./*w  ww .  j av a2  s  .c  o m*/
 * @param type The type of access point to look for.
 */
public static void deleteAccessPointsForVersionAndType(final Version version, final String type) {
    EntityManager em = DBContext.getEntityManager();
    em.getTransaction().begin();
    Query q = em.createNamedQuery(AccessPoint.DELETE_ACCESSPOINTS_FOR_VERSION_AND_TYPE)
            .setParameter(AccessPoint.DELETE_ACCESSPOINTS_FOR_VERSION_AND_TYPE_VERSIONID, version.getId())
            .setParameter(AccessPoint.DELETE_ACCESSPOINTS_FOR_VERSION_AND_TYPE_TYPE, type);
    q.executeUpdate();
    em.getTransaction().commit();
    em.close();
}

From source file:au.org.ands.vocabs.toolkit.test.arquillian.ArquillianTestUtils.java

/** Clear the database.
 * @throws DatabaseUnitException If a problem with DBUnit.
 * @throws HibernateException If a problem getting the underlying
 *          JDBC connection./*  w ww . ja v a 2s.  c  om*/
 * @throws IOException If a problem getting test data for DBUnit.
 * @throws SQLException If DBUnit has a problem performing
 *           performing JDBC operations.
 */
public static void clearDatabase() throws DatabaseUnitException, HibernateException, IOException, SQLException {
    EntityManager em = DBContext.getEntityManager();
    try (Connection conn = em.unwrap(SessionImpl.class).connection()) {

        IDatabaseConnection connection = new H2Connection(conn, null);

        logger.info("doing clean_insert");
        FlatXmlDataSet dataset = new FlatXmlDataSetBuilder()
                .setMetaDataSetFromDtd(getResourceAsInputStream("test/dbunit-toolkit-export-choice.dtd"))
                .build(getResourceAsInputStream("test/blank-dbunit.xml"));

        DatabaseOperation.DELETE_ALL.execute(connection, dataset);
        // Force commit at the JDBC level, as closing the EntityManager
        // does a rollback!
        conn.commit();
    }
    em.close();
}

From source file:fredboat.db.entity.SearchResult.java

/**
 * @param playerManager the PlayerManager to perform encoding and decoding with
 * @param provider      the search provider that shall be used for this search
 * @param searchTerm    the query to search for
 * @param maxAgeMillis  the maximum age of the cached search result; provide a negative value for eternal cache
 * @return the cached search result; may return null for a non-existing or outdated search
 */// w  w  w.j a v a  2s  . com
public static AudioPlaylist load(AudioPlayerManager playerManager, SearchUtil.SearchProvider provider,
        String searchTerm, long maxAgeMillis) throws DatabaseNotReadyException {
    DatabaseManager dbManager = FredBoat.getDbManager();
    if (dbManager == null || !dbManager.isAvailable()) {
        throw new DatabaseNotReadyException();
    }

    EntityManager em = dbManager.getEntityManager();
    SearchResult sr;
    SearchResultId sId = new SearchResultId(provider, searchTerm);
    try {
        em.getTransaction().begin();
        sr = em.find(SearchResult.class, sId);
        em.getTransaction().commit();
    } catch (PersistenceException e) {
        log.error("Unexpected error while trying to look up a search result for provider {} and search term {}",
                provider.name(), searchTerm, e);
        throw new DatabaseNotReadyException(e);
    } finally {
        em.close();
    }

    if (sr != null && (maxAgeMillis < 0 || System.currentTimeMillis() < sr.timestamp + maxAgeMillis)) {
        return sr.getSearchResult(playerManager);
    } else {
        return null;
    }
}

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

static void closeQuietly(EntityManager em) {
    try {//from   w  w  w . j a  v a2  s .co m
        if (em != null) {
            if (em.getTransaction().isActive()) {
                em.getTransaction().rollback();
            }
            em.close();
        }
    } catch (Exception e) {
        // fail silently
    }
}

From source file:com.fpuna.preproceso.PreprocesoTS.java

/**
 *
 * @param trainingSetFeatureList/*from ww  w.j  a  va 2s .  c o  m*/
 */
public static void GuardarFeature(List<TrainingSetFeature> trainingSetFeatureList) {
    EntityManager entityManager = Persistence.createEntityManagerFactory("PreprocesoTSPU")
            .createEntityManager();

    entityManager.getTransaction().begin();

    Iterator<TrainingSetFeature> Iterator = trainingSetFeatureList.iterator();
    while (Iterator.hasNext()) {
        entityManager.persist(Iterator.next());
    }

    entityManager.getTransaction().commit();
    entityManager.close();
}

From source file:io.symcpe.hendrix.api.dao.TestRulesManager.java

@BeforeClass
public static void beforeClass() throws Exception {
    java.util.logging.Logger.getLogger("org.hibernate").setLevel(Level.OFF);
    Properties config = new Properties(System.getProperties());
    File db = new File(TARGET_RULES_DB);
    if (db.exists()) {
        FileUtils.deleteDirectory(db);//from   www .  java 2 s.com
    }
    config.setProperty("javax.persistence.jdbc.url", CONNECTION_STRING);
    try {
        emf = Persistence.createEntityManagerFactory("hendrix", config);
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    }

    EntityManager em = emf.createEntityManager();

    Tenant tenant = new Tenant();
    tenant.setTenant_id(TENANT_ID_1);
    tenant.setTenant_name(TEST_TENANT);
    TenantManager.getInstance().createTenant(em, tenant);

    tenant = new Tenant();
    tenant.setTenant_id(TENANT_ID_2);
    tenant.setTenant_name(TEST_TENANT);
    TenantManager.getInstance().createTenant(em, tenant);

    tenant = new Tenant();
    tenant.setTenant_id(TENANT_ID_3);
    tenant.setTenant_name(TEST_TENANT);
    TenantManager.getInstance().createTenant(em, tenant);

    tenant = new Tenant();
    tenant.setTenant_id(TENANT_ID_5);
    tenant.setTenant_name(TEST_TENANT);
    TenantManager.getInstance().createTenant(em, tenant);

    em.close();
}

From source file:au.org.ands.vocabs.toolkit.test.arquillian.ArquillianTestUtils.java

/** Load a DbUnit test file into the database.
 * The file is loaded as a {@code FlatXmlDataSet}.
 * To make it more convenient to enter JSON data, the dataset is
 * wrapped as a {@code ReplacementDataSet}, and all instances
 * of '' (two contiguous apostrophes) are replaced with "
 * (one double quote)./*from   ww w  . j av a  2s . c o  m*/
 * @param testName The name of the test method. Used to generate
 *      the filename of the file to load.
 * @throws DatabaseUnitException If a problem with DBUnit.
 * @throws HibernateException If a problem getting the underlying
 *          JDBC connection.
 * @throws IOException If a problem getting test data for DBUnit.
 * @throws SQLException If DBUnit has a problem performing
 *           performing JDBC operations.
 */
public static void loadDbUnitTestFile(final String testName)
        throws DatabaseUnitException, HibernateException, IOException, SQLException {
    EntityManager em = DBContext.getEntityManager();
    try (Connection conn = em.unwrap(SessionImpl.class).connection()) {

        IDatabaseConnection connection = new H2Connection(conn, null);

        FlatXmlDataSet xmlDataset = new FlatXmlDataSetBuilder()
                .setMetaDataSetFromDtd(getResourceAsInputStream("test/dbunit-toolkit-export-choice.dtd"))
                .build(getResourceAsInputStream("test/tests/au.org.ands.vocabs.toolkit."
                        + "test.arquillian.AllArquillianTests." + testName + "/input-dbunit.xml"));
        ReplacementDataSet dataset = new ReplacementDataSet(xmlDataset);
        dataset.addReplacementSubstring("''", "\"");
        logger.info("doing clean_insert");
        DatabaseOperation.CLEAN_INSERT.execute(connection, dataset);
        // Force commit at the JDBC level, as closing the EntityManager
        // does a rollback!
        conn.commit();
    }
    em.close();
}

From source file:dao.UsuarioDao.java

public void cadastrarPessoa(Usuario usuario) {
    EntityManagerFactory factory = Persistence.createEntityManagerFactory("LoginUsersPU");
    EntityManager em = factory.createEntityManager();

    em.getTransaction().begin();// ww  w  .  ja v  a2 s  . c  o m
    em.persist(usuario);
    em.getTransaction().commit();
    em.close();
}

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

public static Run load(String resourceUri) {
    EntityManager em = PersistenceUtil.createEntityManager();
    Run run = em.find(Run.class, resourceUri);
    em.close();
    return run;/*from w ww  .j a va 2s .  c o  m*/
}