Examples with ObjectId org.apache.cayenne.ObjectId used on opensource projects

Example 96 with ObjectId

use of org.apache.cayenne.ObjectId in project cayenne by apache.

the class DataContextPrefetchMultistepIT method testToManyToManyFirstStepUnresolved.

@Test
public void testToManyToManyFirstStepUnresolved() throws Exception {
    createTwoArtistsWithExhibitsDataSet();
    // since objects for the phantom prefetches are not retained explicitly, they may
    // get garbage collected, and we won't be able to detect them
    // so ensure ObjectStore uses a regular map just for this test
    context.getObjectStore().objectMap = new HashMap<Object, Persistent>();
    // Check the target ArtistExhibit objects do not exist yet
    Map<String, Object> id1 = new HashMap<>();
    id1.put("ARTIST_ID", 11);
    id1.put("EXHIBIT_ID", 2);
    ObjectId oid1 = new ObjectId("ArtistExhibit", id1);
    Map<String, Object> id2 = new HashMap<>();
    id2.put("ARTIST_ID", 101);
    id2.put("EXHIBIT_ID", 2);
    ObjectId oid2 = new ObjectId("ArtistExhibit", id2);
    assertNull(context.getGraphManager().getNode(oid1));
    assertNull(context.getGraphManager().getNode(oid2));
    Expression e = ExpressionFactory.exp("galleryName = $name");
    SelectQuery<Gallery> q = SelectQuery.query(Gallery.class, e.params(Collections.singletonMap("name", "gallery2")));
    q.addPrefetch("exhibitArray.artistExhibitArray");
    List<Gallery> galleries = context.select(q);
    assertEquals(1, galleries.size());
    Gallery g2 = galleries.get(0);
    // this relationship wasn't explicitly prefetched....
    Object list = g2.readPropertyDirectly("exhibitArray");
    assertTrue(list instanceof Fault);
    // however the target objects must be resolved
    ArtistExhibit ae1 = (ArtistExhibit) context.getGraphManager().getNode(oid1);
    ArtistExhibit ae2 = (ArtistExhibit) context.getGraphManager().getNode(oid2);
    assertNotNull(ae1);
    assertNotNull(ae2);
    assertEquals(PersistenceState.COMMITTED, ae1.getPersistenceState());
    assertEquals(PersistenceState.COMMITTED, ae2.getPersistenceState());
}

Example 97 with ObjectId

use of org.apache.cayenne.ObjectId in project cayenne by apache.

the class DataContextSharedCacheIT method testSnapshotEvictedForDeleted.

@Test
public void testSnapshotEvictedForDeleted() throws Exception {
    // remember ObjectId
    ObjectId id = artist.getObjectId();
    assertEquals(PersistenceState.COMMITTED, artist.getPersistenceState());
    // delete object PRIOR to killing the snapshot
    context.deleteObjects(artist);
    context.getObjectStore().getDataRowCache().forgetSnapshot(id);
    assertNull(context.getObjectStore().getDataRowCache().getCachedSnapshot(id));
    context.commitChanges();
    assertEquals(PersistenceState.TRANSIENT, artist.getPersistenceState());
    assertNull(context.getObjectStore().getDataRowCache().getCachedSnapshot(id));
}

Example 98 with ObjectId

use of org.apache.cayenne.ObjectId in project cayenne by apache.

the class DbArcIdTest method testHashCode.

@Test
public void testHashCode() {
    DbArcId id1 = new DbArcId(new ObjectId("x", "k", "v"), new DbRelationship("r1"));
    int h1 = id1.hashCode();
    assertEquals(h1, id1.hashCode());
    assertEquals(h1, id1.hashCode());
    DbArcId id1_eq = new DbArcId(new ObjectId("x", "k", "v"), new DbRelationship("r1"));
    assertEquals(h1, id1_eq.hashCode());
    DbArcId id2 = new DbArcId(new ObjectId("x", "k", "v"), new DbRelationship("r2"));
    assertFalse(h1 == id2.hashCode());
    DbArcId id3 = new DbArcId(new ObjectId("y", "k", "v"), new DbRelationship("r1"));
    assertFalse(h1 == id3.hashCode());
}

Example 99 with ObjectId

use of org.apache.cayenne.ObjectId in project cayenne by apache.

the class BatchQueryRow method getValue.

/**
 * Used by subclasses to resolve deferred values on demand. This is useful
 * when a certain value comes from a generated key of another master object.
 */
protected Object getValue(Map<String, Object> valueMap, DbAttribute attribute) {
    Object value = valueMap.get(attribute.getName());
    // slight chance that a normal value will implement Factory interface???
    if (value instanceof Supplier) {
        value = ((Supplier) value).get();
        valueMap.put(attribute.getName(), value);
        // update replacement id
        if (attribute.isPrimaryKey()) {
            // sanity check
            if (value == null) {
                String name = attribute.getEntity() != null ? attribute.getEntity().getName() : "<null>";
                throw new CayenneRuntimeException("Failed to generate PK: %s.%s", name, attribute.getName());
            }
            ObjectId id = getObjectId();
            if (id != null) {
                // always override with fresh value as this is what's in the
                // DB
                id.getReplacementIdMap().put(attribute.getName(), value);
            }
        }
    }
    return value;
}

Example 100 with ObjectId

use of org.apache.cayenne.ObjectId in project cayenne by apache.

the class IdMapKeyAccessor method getValue.

public Object getValue(Object object) throws PropertyException {
    if (object instanceof Persistent) {
        ObjectId id = ((Persistent) object).getObjectId();
        if (id.isTemporary()) {
            return id;
        }
        Map<?, ?> map = id.getIdSnapshot();
        if (map.size() == 1) {
            Map.Entry<?, ?> pkEntry = map.entrySet().iterator().next();
            return pkEntry.getValue();
        }
        return id;
    } else {
        throw new IllegalArgumentException("Object must be Persistent: " + object);
    }
}