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

Example 36 with Persistent

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

the class DataContextEJBQLOrderByIT method testOrderByDesc.

@Test
public void testOrderByDesc() throws Exception {
    createThreePaintings();
    String ejbql1 = "SELECT p FROM Painting p ORDER BY p.paintingTitle DESC";
    EJBQLQuery query1 = new EJBQLQuery(ejbql1);
    List<?> results1 = context.performQuery(query1);
    assertEquals(3, results1.size());
    assertEquals(33003, Cayenne.intPKForObject((Persistent) results1.get(0)));
    assertEquals(33002, Cayenne.intPKForObject((Persistent) results1.get(1)));
    assertEquals(33001, Cayenne.intPKForObject((Persistent) results1.get(2)));
    String ejbql2 = "SELECT p FROM Painting p ORDER BY p.estimatedPrice DESC";
    EJBQLQuery query2 = new EJBQLQuery(ejbql2);
    List<?> results2 = context.performQuery(query2);
    assertEquals(3, results2.size());
    assertEquals(33001, Cayenne.intPKForObject((Persistent) results2.get(0)));
    assertEquals(33002, Cayenne.intPKForObject((Persistent) results2.get(1)));
    assertEquals(33003, Cayenne.intPKForObject((Persistent) results2.get(2)));
}

Example 37 with Persistent

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

the class DataContextEJBQLOrderByIT method testOrderByQualified.

@Test
public void testOrderByQualified() throws Exception {
    createThreePaintings();
    String ejbql1 = "SELECT p FROM Painting p WHERE p.estimatedPrice > 1000 ORDER BY p.paintingTitle ASC";
    EJBQLQuery query1 = new EJBQLQuery(ejbql1);
    List<?> results1 = context.performQuery(query1);
    assertEquals(2, results1.size());
    assertEquals(33001, Cayenne.intPKForObject((Persistent) results1.get(0)));
    assertEquals(33002, Cayenne.intPKForObject((Persistent) results1.get(1)));
    String ejbql2 = "SELECT p FROM Painting p WHERE p.estimatedPrice > 1000 ORDER BY p.estimatedPrice ASC";
    EJBQLQuery query2 = new EJBQLQuery(ejbql2);
    List<?> results2 = context.performQuery(query2);
    assertEquals(2, results2.size());
    assertEquals(33002, Cayenne.intPKForObject((Persistent) results2.get(0)));
    assertEquals(33001, Cayenne.intPKForObject((Persistent) results2.get(1)));
}

Example 38 with Persistent

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

the class DataContextEJBQLOrderByIT method testOrderByDefault.

@Test
public void testOrderByDefault() throws Exception {
    createThreePaintings();
    String ejbql1 = "SELECT p FROM Painting p ORDER BY p.paintingTitle";
    EJBQLQuery query1 = new EJBQLQuery(ejbql1);
    List<?> results1 = context.performQuery(query1);
    assertEquals(3, results1.size());
    assertEquals(33001, Cayenne.intPKForObject((Persistent) results1.get(0)));
    assertEquals(33002, Cayenne.intPKForObject((Persistent) results1.get(1)));
    assertEquals(33003, Cayenne.intPKForObject((Persistent) results1.get(2)));
    String ejbql2 = "SELECT p FROM Painting p ORDER BY p.estimatedPrice";
    EJBQLQuery query2 = new EJBQLQuery(ejbql2);
    List<?> results2 = context.performQuery(query2);
    assertEquals(3, results2.size());
    assertEquals(33003, Cayenne.intPKForObject((Persistent) results2.get(0)));
    assertEquals(33002, Cayenne.intPKForObject((Persistent) results2.get(1)));
    assertEquals(33001, Cayenne.intPKForObject((Persistent) results2.get(2)));
}

Example 39 with Persistent

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

the class ObjectContextQueryAction method interceptObjectConversion.

/**
 * Transfers fetched objects into the target context if it is different from "acting"
 * context. Note that when this method is invoked, result objects are already
 * registered with acting context by the parent channel.
 */
protected void interceptObjectConversion() {
    if (targetContext != null && !metadata.isFetchingDataRows()) {
        // rewrite response to contain objects from the query context
        GenericResponse childResponse = new GenericResponse();
        ShallowMergeOperation merger = null;
        for (response.reset(); response.next(); ) {
            if (response.isList()) {
                List objects = response.currentList();
                if (objects.isEmpty()) {
                    childResponse.addResultList(objects);
                } else {
                    // minor optimization, skip Object[] if there are no persistent objects
                    boolean haveObjects = metadata.getResultSetMapping() == null;
                    if (!haveObjects) {
                        for (Object next : metadata.getResultSetMapping()) {
                            if (next instanceof EntityResultSegment) {
                                haveObjects = true;
                                break;
                            }
                        }
                    }
                    if (merger == null) {
                        merger = new ShallowMergeOperation(targetContext);
                    }
                    // TODO: Andrus 1/31/2006 - IncrementalFaultList is not properly
                    // transferred between contexts....
                    List<Object> childObjects = new ArrayList<>(objects.size());
                    for (Object object1 : objects) {
                        if (object1 instanceof Persistent) {
                            Persistent object = (Persistent) object1;
                            childObjects.add(merger.merge(object));
                        } else if (haveObjects && object1 instanceof Object[]) {
                            // merge objects inside Object[]
                            Object[] parentData = (Object[]) object1;
                            Object[] childData = new Object[parentData.length];
                            System.arraycopy(parentData, 0, childData, 0, parentData.length);
                            for (int i = 0; i < childData.length; i++) {
                                if (childData[i] instanceof Persistent) {
                                    childData[i] = merger.merge((Persistent) childData[i]);
                                }
                            }
                            childObjects.add(childData);
                        } else {
                            childObjects.add(object1);
                        }
                    }
                    childResponse.addResultList(childObjects);
                }
            } else {
                childResponse.addBatchUpdateCount(response.currentUpdateCount());
            }
        }
        response = childResponse;
    }
}

Example 40 with Persistent

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

the class ObjectContextQueryAction method interceptRelationshipQuery.

protected boolean interceptRelationshipQuery() {
    if (query instanceof RelationshipQuery) {
        RelationshipQuery relationshipQuery = (RelationshipQuery) query;
        if (!relationshipQuery.isRefreshing()) {
            if (targetContext == null && relationshipQuery.getRelationship(actingContext.getEntityResolver()).isToMany()) {
                return !DONE;
            }
            ObjectId id = relationshipQuery.getObjectId();
            Object object = actingContext.getGraphManager().getNode(id);
            if (object != null) {
                ClassDescriptor descriptor = actingContext.getEntityResolver().getClassDescriptor(id.getEntityName());
                if (!descriptor.isFault(object)) {
                    ArcProperty property = (ArcProperty) descriptor.getProperty(relationshipQuery.getRelationshipName());
                    if (!property.isFault(object)) {
                        Object related = property.readPropertyDirectly(object);
                        List result;
                        // null to-one
                        if (related == null) {
                            result = new ArrayList(1);
                        } else // to-many List
                        if (related instanceof List) {
                            result = (List) related;
                        } else // to-many Set
                        if (related instanceof Set) {
                            result = new ArrayList((Set) related);
                        } else // to-many Map
                        if (related instanceof Map) {
                            result = new ArrayList(((Map) related).values());
                        } else // non-null to-one
                        {
                            result = new ArrayList(1);
                            result.add(related);
                        }
                        this.response = new ListResponse(result);
                        return DONE;
                    }
                    /**
                     * Workaround for CAY-1183. If a Relationship query is being sent
                     * from child context, we assure that local object is not NEW and
                     * relationship - unresolved (this way exception will occur). This
                     * helps when faulting objects that were committed to parent
                     * context (this), but not to database. Checking type of context's
                     * channel is the only way to ensure that we are on the top level
                     * of context hierarchy (there might be more than one-level-deep
                     * nested contexts).
                     */
                    if (((Persistent) object).getPersistenceState() == PersistenceState.NEW && !(actingContext.getChannel() instanceof BaseContext)) {
                        this.response = new ListResponse();
                        return DONE;
                    }
                }
            }
        }
    }
    return !DONE;
}