Examples of org.apache.cayenne.DataRow

org.apache.cayenne.DataRow
DataRow a map that holds values retrieved from the database for a given query row. DataRows are used to cache raw database data and as a reference point for tracking DataObject changes. @author Andrus Adamchik @since 1.1

        Time now = new Time(cal.getTime().getTime());
        test.setTimeColumn(now);
        context.commitChanges();


        NamedQuery q = new NamedQuery("SelectDateTest");
        DataRow testRead = (DataRow) context.performQuery(q).get(0);
        Date columnValue = (Date) testRead.get("TIME_COLUMN");
        assertNotNull(columnValue);
        assertEquals(now.toString(), new Time(columnValue.getTime()).toString());
    }

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        assertEquals(1, artists.size());


        Map row = (Map) artists.get(0);
        assertEquals(19, list.indexOf(row));
        
        DataRow clone = new DataRow(row);
        assertEquals(19, list.indexOf(clone));


        row.remove("ARTIST_ID");
        assertEquals(-1, list.indexOf(row));
    }

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            // join...
            int rowWidth = getDbEntity("ARTIST").getAttributes().size()
                    + getDbEntity("PAINTING").getAttributes().size();
            Iterator it = rows.iterator();
            while (it.hasNext()) {
                DataRow row = (DataRow) it.next();
                assertEquals("" + row, rowWidth, row.size());


                // assert columns presence
                assertTrue(row + "", row.containsKey("PAINTING_ID"));
                assertTrue(row + "", row.containsKey("ARTIST_ID"));
                assertTrue(row + "", row.containsKey("GALLERY_ID"));
                assertTrue(row + "", row.containsKey("PAINTING_TITLE"));
                assertTrue(row + "", row.containsKey("ESTIMATED_PRICE"));
                assertTrue(row + "", row.containsKey("toArtist.ARTIST_NAME"));
                assertTrue(row + "", row.containsKey("toArtist.DATE_OF_BIRTH"));
            }
        }
        finally {
            unblockQueries();
        }

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        context.commitChanges();


        SelectQuery query = new SelectQuery(EmbedEntity1.class);
        query.setFetchingDataRows(true);
        DataRow row = (DataRow) Cayenne.objectForQuery(context, query);
        assertNotNull(row);
        assertEquals("E11", row.get("EMBEDDED10"));
        assertEquals("E12", row.get("EMBEDDED20"));
        assertEquals("E21", row.get("EMBEDDED30"));
        assertEquals("E22", row.get("EMBEDDED40"));
    }

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        assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());


        context.commitChanges();
        SelectQuery query1 = new SelectQuery(EmbedEntity1.class);
        query1.setFetchingDataRows(true);
        DataRow row = (DataRow) Cayenne.objectForQuery(context, query1);
        assertNotNull(row);
        assertEquals("x1", row.get("EMBEDDED10"));
    }

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        assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());


        context.commitChanges();
        SelectQuery query1 = new SelectQuery(EmbedEntity1.class);
        query1.setFetchingDataRows(true);
        DataRow row = (DataRow) Cayenne.objectForQuery(context, query1);
        assertNotNull(row);
        assertEquals("x1", row.get("EMBEDDED10"));
    }

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        SelectQuery query = new SelectQuery(Artist.class, ExpressionFactory.matchExp(
                Artist.ARTIST_NAME_PROPERTY,
                "artist1"));
        Artist artist = (Artist) context.performQuery(query).get(0);


        DataRow snapshot = context.currentSnapshot(artist);
        assertEquals(artist.getArtistName(), snapshot.get("ARTIST_NAME"));
        assertEquals(artist.getDateOfBirth(), snapshot.get("DATE_OF_BIRTH"));
    }

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        Artist artist = (Artist) context.performQuery(query).get(0);


        artist.setArtistName(null);
        artist.setDateOfBirth(null);


        DataRow snapshot = context.currentSnapshot(artist);
        assertTrue(snapshot.containsKey("ARTIST_NAME"));
        assertNull(snapshot.get("ARTIST_NAME"));


        assertTrue(snapshot.containsKey("DATE_OF_BIRTH"));
        assertNull(snapshot.get("DATE_OF_BIRTH"));
    }

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        // test FK relationship snapshotting
        Painting p1 = new Painting();
        context.registerNewObject(p1);
        p1.setToArtist(artist);


        DataRow s1 = context.currentSnapshot(p1);
        Map<String, Object> idMap = artist.getObjectId().getIdSnapshot();
        assertEquals(idMap.get("ARTIST_ID"), s1.get("ARTIST_ID"));
    }

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        ObjectId eId = new ObjectId("Exhibit", Exhibit.EXHIBIT_ID_PK_COLUMN, 2);
        Exhibit e = (Exhibit) context.performQuery(new ObjectIdQuery(eId)).get(0);


        assertTrue(e.readPropertyDirectly(Exhibit.TO_GALLERY_PROPERTY) instanceof Fault);


        DataRow snapshot = context.currentSnapshot(e);


        // assert that after taking a snapshot, we have FK in, but the relationship
        // is still a Fault
        assertTrue(e.readPropertyDirectly(Exhibit.TO_GALLERY_PROPERTY) instanceof Fault);
        assertEquals(new Integer(33002), snapshot.get("GALLERY_ID"));
    }

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