Examples with Circle org.jpox.samples.interfaces.Circle used on opensource projects

Example 11 with Circle

use of org.jpox.samples.interfaces.Circle in project tests by datanucleus.

the class InterfacesTest method testQueryForOneToOneShape.

/**
 * Query ShapeHolder objects that have a particular shape in the 1-1 field.
 */
public void testQueryForOneToOneShape() {
    try {
        // Create sample data for querying
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        Object holder1Id = null;
        Object rect1Id = null;
        try {
            tx.begin();
            ShapeHolder holder1 = new ShapeHolder(101);
            Rectangle rect1 = new Rectangle(200, 140, 250);
            Circle circ = new Circle(300, 45);
            holder1.setShape1(rect1);
            holder1.setShape2(circ);
            pm.makePersistent(holder1);
            ShapeHolder holder2 = new ShapeHolder(102);
            Rectangle rect2 = new Rectangle(201, 250, 140);
            Square sq = new Square(400, 500, 500);
            holder2.setShape1(rect2);
            holder2.setShape2(sq);
            pm.makePersistent(holder2);
            tx.commit();
            holder1Id = pm.getObjectId(holder1);
            rect1Id = pm.getObjectId(rect1);
        } catch (Exception e) {
            LOG.error("Exception during persist of sample data", e);
            fail("Exception creating sample data : " + e.getMessage());
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        pm = pmf.getPersistenceManager();
        tx = pm.currentTransaction();
        try {
            tx.begin();
            Rectangle rect1 = (Rectangle) pm.getObjectById(rect1Id);
            Query query = pm.newQuery("SELECT FROM " + ShapeHolder.class.getName() + " WHERE shape1 == :myShape");
            Map params = new HashMap();
            params.put("myShape", rect1);
            Collection results = (Collection) query.executeWithMap(params);
            assertEquals("Number of ShapeHolders with 1-1 field as our Rectangle was wrong", 1, results.size());
            ShapeHolder holder = (ShapeHolder) results.iterator().next();
            assertEquals("Id of ShapeHolder was wrong", holder1Id, pm.getObjectId(holder));
            tx.commit();
        } catch (Exception e) {
            LOG.error("Exception thrown during querying for 1-1 shape", e);
            assertTrue("Exception thrown during querying for 1-1 shape : " + e.getMessage(), false);
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
    } finally {
        // Clean out data
        clean(ShapeHolder.class);
        clean(Rectangle.class);
        clean(Circle.class);
        clean(Square.class);
    }
}