Package javax.persistence

Examples of javax.persistence.LockModeType

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  public void usesMetadataAnnotatedAtRedeclaredFindOne() {

    repository.findOne(1);

    Map<String, Object> expectedLinks = Collections.singletonMap("foo", (Object) "bar");
    LockModeType expectedLockModeType = LockModeType.READ;

    verify(em).find(Role.class, 1, expectedLockModeType, expectedLinks);
  }
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   */
  @Test
  public void discoversLockModeCorrectly() throws Exception {

    JpaQueryMethod method = new JpaQueryMethod(findWithLockMethod, metadata, extractor);
    LockModeType lockMode = method.getLockModeType();

    assertEquals(LockModeType.PESSIMISTIC_WRITE, lockMode);
  }
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     * INTERNAL:
     * Convert the JPA query into a DatabaseQuery.
     */
    public DatabaseQuery processJPQLQuery(Session session){
        ClassLoader classloader = session.getDatasourcePlatform().getConversionManager().getLoader();
        LockModeType lockModeEnum = null;
        // Must handle errors if a JPA 2.0 option is used in JPA 1.0.
        try {
            lockModeEnum = LockModeType.valueOf(lockMode);
        } catch (Exception ignore) {
            // Ignore JPA 2.0 in JPA 1.0, reverts to no lock.
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        return root;
    }

    private TypedQuery<M> applyLockMode(TypedQuery<M> query) {
        LockModeType type = lockMetadataProvider == null ? null : lockMetadataProvider.getLockModeType();
        return type == null ? query : query.setLockMode(type);
    }
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            meta = getRepository().addQueryMetaData(_cls, query.name());
            meta.setLanguage(JPQLParser.LANG_JPQL);
            meta.setQueryString(query.query());
            for (QueryHint hint : query.hints())
                meta.addHint(hint.name(), hint.value());
            LockModeType lmt = processNamedQueryLockModeType(query);
            if (lmt != null && lmt != LockModeType.NONE) {
                meta.addHint("openjpa.FetchPlan.ReadLockMode", lmt);
            }

            meta.setSource(getSourceFile(), (el instanceof Class) ? el : null,
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     * A private worker method that calculates the lock mode for an individual NamedQuery. If the NamedQuery is
     * configured to use the NONE lock mode(explicit or implicit), this method will promote the lock to a READ
     * level lock. This was done to allow for JPA1 apps to function properly under a 2.0 runtime.
     */
    private LockModeType processNamedQueryLockModeType(NamedQuery query) {
        LockModeType lmt = query.lockMode();
        if (query.lockMode() != null) {
            String lm = _conf.getLockManager();
            boolean optimistic = _conf.getOptimistic();
            if (lm != null) {
                lm = lm.toLowerCase();
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        if (lock != null && lock != LockModeType.NONE) {
            if (requiresTxn) {
                _broker.assertActiveTransaction();
            }
            // Override read lock level
            LockModeType curReadLockMode = fetch.getReadLockMode();
            if (lock != curReadLockMode)
                fetch.setReadLockMode(lock);
        }
    }
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        meta = getRepository().addQueryMetaData(null, name);
        meta.setDefiningType(_cls);
        meta.setLanguage(JPQLParser.LANG_JPQL);
        meta.setQueryString(attrs.getValue("query"));
        String lockModeStr = attrs.getValue("lock-mode");
        LockModeType lmt = processNamedQueryLockModeType(log, lockModeStr, name);
        if (lmt != null && lmt != LockModeType.NONE) {
            meta.addHint("openjpa.FetchPlan.ReadLockMode", lmt);
        }
        Locator locator = getLocation().getLocator();
        if (locator != null) {
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     */
    private LockModeType processNamedQueryLockModeType(Log log, String lockModeString, String queryName) {
        if (lockModeString == null) {
            return null;
        }
        LockModeType lmt = LockModeType.valueOf(lockModeString);
        String lm = _conf.getLockManager();
        boolean optimistic = _conf.getOptimistic();
        if (lm != null) {
            lm = lm.toLowerCase();
            if (lm.contains("pessimistic")) {
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        // do the same thing again, this time query should be cached
        em.getTransaction().begin();
        Query q2 = em.createQuery(jpql);
        assertEquals(QueryLanguages.LANG_PREPARED_SQL, OpenJPAPersistence.cast(q2).getLanguage());
        LockModeType lmode1 = q2.getLockMode();
        q2.setLockMode(LockModeType.OPTIMISTIC);
        LockModeType lmode2 = q2.getLockMode();
        assertEquals(JPQLParser.LANG_JPQL, OpenJPAPersistence.cast(q2).getLanguage());
        assertFalse(lmode1.equals(lmode2));
        List<Author> authors2 = q2.getResultList();
        em.getTransaction().rollback();
    }
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