Package org.apache.cayenne

Examples of org.apache.cayenne.DataRow

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    private List mockupDataRows(int len) {
        List rows = new ArrayList(len);

        for (int i = 0; i < len; i++) {
            DataRow a = new DataRow(3);
            a.put("ARTIST_ID", new Integer(i + 1));
            a.put("ARTIST_NAME", "A-" + (i + 1));
            rows.add(a);
        }

        return rows;
    }
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                    case PersistenceState.COMMITTED:
                        object.setPersistenceState(PersistenceState.HOLLOW);
                        break;
                    case PersistenceState.MODIFIED:
                        DataContext context = (DataContext) object.getObjectContext();
                        DataRow diff = getSnapshot(oid);
                        // consult delegate if it exists
                        DataContextDelegate delegate = context.nonNullDelegate();
                        if (delegate.shouldMergeChanges(object, diff)) {
                            ClassDescriptor descriptor = context
                                    .getEntityResolver()
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                        // This sounds counterintuitive (Not sure if this is some HotSpot
                        // related glitch)... still keeping the old algorithm here until
                        // we
                        // switch from snapshot events to GraphEvents and all this code
                        // becomes obsolete.
                        DataRow snapshot = getSnapshot(object.getObjectId());

                        DataRowUtils.refreshObjectWithSnapshot(
                                descriptor,
                                object,
                                snapshot,
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        assertTrue(context.newObjects().contains(a1));
    }

    public void testIdObjectFromDataRow() {
        DataContext context = createDataContext();
        DataRow row = new DataRow(10);
        row.put("ARTIST_ID", new Integer(100000));
        DataObject obj = context.objectFromDataRow(Artist.class, row);
        assertNotNull(obj);
        assertTrue(context.getGraphManager().registeredNodes().contains(obj));
        assertEquals(PersistenceState.HOLLOW, obj.getPersistenceState());
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        assertNull(context.getObjectStore().getCachedSnapshot(obj.getObjectId()));
    }

    public void testPartialObjectFromDataRow() {
        DataContext context = createDataContext();
        DataRow row = new DataRow(10);
        row.put("ARTIST_ID", new Integer(100001));
        row.put("ARTIST_NAME", "ArtistXYZ");
        DataObject obj = context.objectFromDataRow(Artist.class, row);
        assertNotNull(obj);
        assertTrue(context.getGraphManager().registeredNodes().contains(obj));
        assertEquals(PersistenceState.HOLLOW, obj.getPersistenceState());
        assertNull(context.getObjectStore().getCachedSnapshot(obj.getObjectId()));
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        assertNull(context.getObjectStore().getCachedSnapshot(obj.getObjectId()));
    }

    public void testFullObjectFromDataRow() {
        DataContext context = createDataContext();
        DataRow row = new DataRow(10);
        row.put("ARTIST_ID", new Integer(123456));
        row.put("ARTIST_NAME", "ArtistXYZ");
        row.put("DATE_OF_BIRTH", new Date());
        Artist obj = context.objectFromDataRow(Artist.class, row);

        assertTrue(context.getGraphManager().registeredNodes().contains(obj));
        assertEquals(PersistenceState.COMMITTED, obj.getPersistenceState());
        assertNotNull(context.getObjectStore().getCachedSnapshot(obj.getObjectId()));
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        Long bigintValue = 5326457654783454355l;
        test.setBigintColumn(bigintValue);
        context.commitChanges();

        NamedQuery q = new NamedQuery("SelectReturnTypesMap1");
        DataRow testRead = (DataRow) context.performQuery(q).get(0);
        Object columnValue = testRead.get(columnName);
        assertNotNull(columnValue);
        assertEquals(Long.class, columnValue.getClass());
        assertEquals(bigintValue, columnValue);
    }
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        };
        test.setBinaryColumn(binaryValue);
        context.commitChanges();

        NamedQuery q = new NamedQuery("SelectReturnTypesMap2");
        DataRow testRead = (DataRow) context.performQuery(q).get(0);
        Object columnValue = testRead.get(columnName);
        assertNotNull(columnValue);
        assertEquals(byte[].class, columnValue.getClass());
        assertTrue(Arrays.equals(binaryValue, (byte[]) columnValue));
    }
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        Boolean bitValue = true;
        test.setBitColumn(bitValue);
        context.commitChanges();

        NamedQuery q = new NamedQuery("SelectReturnTypesMap1");
        DataRow testRead = (DataRow) context.performQuery(q).get(0);
        Object columnValue = testRead.get(columnName);
        assertNotNull(columnValue);
        assertTrue(Boolean.class.equals(columnValue.getClass())
                || Short.class.equals(columnValue.getClass()));
        assertTrue(bitValue.equals(columnValue) || ((Number) columnValue).intValue() == 1);
    }
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        };
        test.setBlobColumn(blobValue);
        context.commitChanges();

        NamedQuery q = new NamedQuery("SelectReturnTypesMap2");
        DataRow testRead = (DataRow) context.performQuery(q).get(0);
        Object columnValue = testRead.get(columnName);
        assertNotNull(columnValue);
        assertEquals(byte[].class, columnValue.getClass());
        assertTrue(Arrays.equals(blobValue, (byte[]) columnValue));
    }
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  • org.apache.cayenne.access.DataContext
  • org.apache.cayenne.access.DataContextCharPKTest
  • org.apache.cayenne.access.DataContextExtrasTest
  • org.apache.cayenne.access.DataContextObjectTrackingTest
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  • org.apache.cayenne.access.DataContextQueryCachingTest
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