Package org.apache.art

Examples of org.apache.art.Artist

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    }

    public void testDeleteObjectInIterator() throws Exception {
        createTestData("testDeleteObjectsRelationshipCollection");

        Artist artist = DataObjectUtils.objectForPK(context, Artist.class, 1);
        List paintings = artist.getPaintingArray();

        assertEquals(3, paintings.size());

        // create a clone to be able to inspect paintings after deletion
        List paintingsClone = new ArrayList(paintings);
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        createTestData("testDeleteHollow");

        List paintings = context.performQuery(new SelectQuery(Painting.class));

        Painting p = (Painting) paintings.get(0);
        Artist a = p.getToArtist();

        assertEquals(PersistenceState.HOLLOW, a.getPersistenceState());
        context.deleteObject(a);
        assertEquals(PersistenceState.DELETED, a.getPersistenceState());
    }
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        context.deleteObject(a);
        assertEquals(PersistenceState.DELETED, a.getPersistenceState());
    }

    public void testDeleteNew() throws Exception {
        Artist artist = context.newObject(Artist.class);
        artist.setArtistName("a");

        assertEquals(PersistenceState.NEW, artist.getPersistenceState());
        context.deleteObject(artist);
        assertEquals(PersistenceState.TRANSIENT, artist.getPersistenceState());
        context.rollbackChanges();
        assertEquals(PersistenceState.TRANSIENT, artist.getPersistenceState());
    }
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                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));

        int modifiedId = 33003;
        Artist modified = (Artist) DataObjectUtils.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("MODDED");
        DataObject deleted = (DataObject) DataObjectUtils.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        context.deleteObject(deleted);

        assertEquals(PersistenceState.HOLLOW, hollow.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, committed.getPersistenceState());
        assertEquals(PersistenceState.MODIFIED, modified.getPersistenceState());
        assertEquals(PersistenceState.DELETED, deleted.getPersistenceState());
        assertEquals(PersistenceState.NEW, _new.getPersistenceState());

        // now check how objects in different state behave

        // on the one hand sticking an alien NEW object to a peer DataContext doesn't look
        // like a good idea, on the other hand the code detecting whether a given context
        // is a child of another context breaks DataChannel encapsulation (i.e. using
        // "instanceof" to check DataChannel type will make it impossible to use Proxies).

        // try {
        // peerContext.localObjects(Collections.singletonList(_new));
        // fail("A presence of new object should have triggered an exception");
        // }
        // catch (CayenneRuntimeException e) {
        // // expected
        // }

        blockQueries();

        try {

            Persistent hollowPeer = peerContext.localObject(hollow.getObjectId(), null);
            assertEquals(PersistenceState.HOLLOW, hollowPeer.getPersistenceState());
            assertEquals(hollow.getObjectId(), hollowPeer.getObjectId());
            assertSame(peerContext, hollowPeer.getObjectContext());
            assertSame(context, hollow.getObjectContext());

            Persistent committedPeer = peerContext.localObject(
                    committed.getObjectId(),
                    null);
            assertEquals(PersistenceState.HOLLOW, committedPeer.getPersistenceState());
            assertEquals(committed.getObjectId(), committedPeer.getObjectId());
            assertSame(peerContext, committedPeer.getObjectContext());
            assertSame(context, committed.getObjectContext());

            Persistent modifiedPeer = peerContext.localObject(
                    modified.getObjectId(),
                    null);
            assertEquals(PersistenceState.HOLLOW, modifiedPeer.getPersistenceState());
            assertEquals(modified.getObjectId(), modifiedPeer.getObjectId());
            assertSame(peerContext, modifiedPeer.getObjectContext());
            assertSame(context, modified.getObjectContext());

            Persistent deletedPeer = peerContext.localObject(deleted.getObjectId(), null);
            assertEquals(PersistenceState.HOLLOW, deletedPeer.getPersistenceState());
            assertEquals(deleted.getObjectId(), deletedPeer.getObjectId());
            assertSame(peerContext, deletedPeer.getObjectContext());
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        // 'createDataContext' clears the cache.
        DataContext context = createDataContext();
        DataContext peerContext = createDataContext();

        int modifiedId = 33003;
        Artist modified = (Artist) DataObjectUtils.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        Artist peerModified = (Artist) DataObjectUtils.objectForQuery(
                peerContext,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));

        modified.setArtistName("M1");
        peerModified.setArtistName("M2");

        assertEquals(PersistenceState.MODIFIED, modified.getPersistenceState());
        assertEquals(PersistenceState.MODIFIED, peerModified.getPersistenceState());

        blockQueries();

        try {

            Persistent peerModified2 = peerContext.localObject(
                    modified.getObjectId(),
                    null);

            assertSame(peerModified, peerModified2);
            assertEquals(PersistenceState.MODIFIED, peerModified2.getPersistenceState());
            assertEquals("M2", peerModified.getArtistName());
            assertEquals("M1", modified.getArtistName());
        }
        finally {
            unblockQueries();
        }
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        assertFalse("No failures expected: " + result, result.hasFailures());
    }

    public void testValidateForSaveMandatoryAttributeMissing() throws Exception {
        DataContext context = createDataContext();
        Artist artist = (Artist) context.newObject("Artist");

        ValidationResult result = new ValidationResult();
        artist.validateForSave(result);

        assertTrue("Validation of 'artistName' should've failed.", result.hasFailures());
        assertTrue(result.hasFailures(artist));

        List failures = result.getFailures();
        assertEquals(1, failures.size());

        BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
        assertEquals(Artist.ARTIST_NAME_PROPERTY, failure.getProperty());

        // fix the problem and see if it goes away
        artist.setArtistName("aa");
        result = new ValidationResult();
        artist.validateForSave(result);
        assertFalse(result.hasFailures());
    }
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        assertFalse(result.hasFailures());
    }

    public void testValidateForSaveAttributeTooLong() throws Exception {
        DataContext context = createDataContext();
        Artist artist = (Artist) context.newObject("Artist");

        DbEntity entity = context.getEntityResolver().lookupObjEntity(artist).getDbEntity();
        int len = ((DbAttribute) entity.getAttribute("ARTIST_NAME")).getMaxLength();
        StringBuffer buf = new StringBuffer(len);
        for (int i = 0; i < len + 1; i++) {
            buf.append("c");
        }
        artist.setArtistName(buf.toString());

        ValidationResult result = new ValidationResult();
        artist.validateForSave(result);

        assertTrue(result.hasFailures());
        assertTrue(result.hasFailures(artist));

        List failures = result.getFailures();
        assertEquals(1, failures.size());

        BeanValidationFailure failure = (BeanValidationFailure) failures.get(0);
        assertEquals(Artist.ARTIST_NAME_PROPERTY, failure.getProperty());

        // fix the problem and see if it goes away
        artist.setArtistName("aa");
        result = new ValidationResult();
        artist.validateForSave(result);
        assertFalse(result.hasFailures());
    }
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        assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
    }

    public void testStateCommittedToModified() {
        DataContext context = createDataContext();
        Artist o1 = new Artist();
        o1.setArtistName("a");
        context.registerNewObject(o1);
        context.commitChanges();
        assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());

        o1.setArtistName(o1.getArtistName() + "_1");
        assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());
    }
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    }

    public void testStateModifiedToCommitted() {
        DataContext context = createDataContext();

        Artist o1 = newSavedArtist(context);
        o1.setArtistName(o1.getArtistName() + "_1");
        assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());

        context.commitChanges();
        assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
    }
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    }

    public void testStateCommittedToDeleted() {
        DataContext context = createDataContext();

        Artist o1 = new Artist();
        o1.setArtistName("a");
        context.registerNewObject(o1);
        context.commitChanges();
        assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());

        context.deleteObject(o1);
        assertEquals(PersistenceState.DELETED, o1.getPersistenceState());
    }
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  • org.apache.cayenne.access.DataContextCommitTest
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