Package javax.persistence.spi

Examples of javax.persistence.spi.LoadState

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    @Test
    public void testIsLoaded()
    {
        KunderaPersistenceProviderUtil providerUtil = new KunderaPersistenceProviderUtil(persistence);
        LoadState state = providerUtil.isLoaded(null);
        Assert.assertNotNull(state);
        Assert.assertEquals(LoadState.NOT_LOADED, state);
    }
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    public void testIsLoadedWithOutReference()
    {
        KunderaPersistenceProviderUtil providerUtil = new KunderaPersistenceProviderUtil(persistence);
        Person p = new Person();
        p.setAge(32);
        LoadState state = providerUtil.isLoadedWithoutReference(p,"age");
        Assert.assertNotNull(state);
        Assert.assertEquals(LoadState.LOADED, state);
    }
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    public void testIsLoadedWithReference()
    {
        KunderaPersistenceProviderUtil providerUtil = new KunderaPersistenceProviderUtil(persistence);
        Person p = new Person();
        p.setAge(32);
        LoadState state = providerUtil.isLoadedWithReference(p,"age");
        Assert.assertNotNull(state);
        Assert.assertEquals(LoadState.UNKNOWN, state);
    }
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    }

    @Override
    public boolean isLoaded(Object entity, String attributeName)
    {
        LoadState state = PersistenceUtilHelper.isLoadedWithoutReference(entity, attributeName, this.cache);
        if (state == LoadState.LOADED)
        {
            return true;
        }
        if (state == LoadState.NOT_LOADED)
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        }

        @Override
        public boolean isLoaded(Object entity, String attributeName)
        {
            LoadState state = PersistenceUtilHelper.isLoadedWithoutReference(entity, attributeName, this.cache);
            if (state == LoadState.LOADED)
            {
                return true;
            }
            if (state == LoadState.NOT_LOADED)
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            // Find entity
            em = emf.createEntityManager();
            Photographer p = em.find(Photographer.class, 1);
            Album album2 = p.getAlbum();
            // Load state before field referred
            LoadState loadStateWithReference = util.isLoadedWithReference(album2, "albumName");
            // UNKNOWN because PROXY initialization currently not implemented in
            // Kundera
            Assert.assertEquals(LoadState.UNKNOWN, loadStateWithReference);

            // Load state after field referred
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            Album album2 = p.getAlbum();

            // Load state before field referred
            // Loaded because LAZY initialization currently not implemented in
            // Kundera
            LoadState loadStateWithoutReference = util.isLoadedWithoutReference(album2, "albumName");
            Assert.assertEquals(LoadState.NOT_LOADED, loadStateWithoutReference);

            // Load state after field referred
            album2.getAlbumName();
            loadStateWithoutReference = util.isLoadedWithoutReference(p, "album");
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            em = emf.createEntityManager();
            Photographer p = em.find(Photographer.class, 1);
            Album album2 = p.getAlbum();

            // Load state before field referred
            LoadState loadState = util.isLoaded(album2);
            Assert.assertEquals(LoadState.NOT_LOADED, loadState);

            // Load state after field referred
            album2.getAlbumName();
            loadState = util.isLoaded(album2);
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                // Iterate through the list using ProviderUtil.isLoadedWithoutReference()
                for (PersistenceProvider pp : pps) {
                    try {
                        ProviderUtil pu = pp.getProviderUtil();
                        LoadState ls = pu.isLoadedWithoutReference(entity, attributeName);
                        if (ls == LoadState.LOADED)
                            return true;
                        if (ls == LoadState.NOT_LOADED)
                            return false;
                    }
                    catch (Throwable t) {
                        // JPA 1.0 providers will not implement the getProviderUtil
                        // method.  Eat the exception and try the next provider.
                    }
                 }
                // Iterate through the list a second time using ProviderUtil.isLoadedWithReference()
                for (PersistenceProvider pp : pps) {
                    try {
                        ProviderUtil pu = pp.getProviderUtil();
                        LoadState ls = pu.isLoadedWithReference(entity, attributeName);
                        if (ls == LoadState.LOADED)
                            return true;
                        if (ls == LoadState.NOT_LOADED)
                            return false;
                    }
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                // Iterate through the list of providers, using ProviderUtil to
                // determine the load state
                for (PersistenceProvider pp : pps) {
                    try {
                        ProviderUtil pu = pp.getProviderUtil();
                        LoadState ls = pu.isLoaded(entity);
                        if (ls == LoadState.LOADED)
                            return true;
                        if (ls == LoadState.NOT_LOADED)
                            return false;
                        // Otherwise, load state is unknown.  Query the next provider.
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Related Classes of javax.persistence.spi.LoadState

  • com.impetus.kundera.KunderaPersistenceProviderUtilTest
  • com.impetus.kundera.KunderaPersistenceUnitUtil
  • com.impetus.kundera.persistence.EntityManagerFactoryImpl$KunderaPersistenceUnitUtil
  • com.impetus.kundera.PersistenceUtilHelperTest
  • com.impetus.kundera.tests.persistence.lazy.KunderaPersistenceProviderUtilTest
  • org.eclipse.persistence.javax.persistence.osgi.OSGiProviderResolver$ForwardingProviderUtil
  • org.hibernate.ejb.EntityManagerFactoryImpl$HibernatePersistenceUnitUtil
  • org.hibernate.ejb.util.PersistenceUtilHelper
  • org.hibernate.jpa.internal.EntityManagerFactoryImpl$HibernatePersistenceUnitUtil
  • org.hibernate.jpa.internal.util.PersistenceUtilHelper
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