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* to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access;
import java.util.List;
import org.apache.cayenne.Cayenne;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.ValueHolder;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.QueryCacheStrategy;
import org.apache.cayenne.query.RefreshQuery;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.query.SortOrder;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.testdo.testmap.Painting;
import org.apache.cayenne.unit.CayenneCase;
public class DataContextRefreshQueryTest extends CayenneCase {
public void testRefreshCollection() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
SelectQuery q = new SelectQuery(Artist.class);
q.addOrdering("db:ARTIST_ID", SortOrder.ASCENDING);
List artists = context.performQuery(q);
Artist a1 = (Artist) artists.get(0);
Artist a2 = (Artist) artists.get(1);
assertEquals(2, a1.getPaintingArray().size());
assertEquals(0, a2.getPaintingArray().size());
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a2.getObjectId()));
RefreshQuery refresh = new RefreshQuery(artists);
context.performQuery(refresh);
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a1.getObjectId()));
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a2.getObjectId()));
assertEquals(PersistenceState.HOLLOW, a1.getPersistenceState());
assertEquals(PersistenceState.HOLLOW, a2.getPersistenceState());
assertTrue(((ValueHolder) a1.readProperty(Artist.PAINTING_ARRAY_PROPERTY))
.isFault());
assertTrue(((ValueHolder) a2.readProperty(Artist.PAINTING_ARRAY_PROPERTY))
.isFault());
}
public void testRefreshCollectionToOne() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
SelectQuery q = new SelectQuery(Painting.class);
q.addOrdering("db:PAINTING_ID", SortOrder.ASCENDING);
List paints = context.performQuery(q);
Painting p1 = (Painting) paints.get(0);
Painting p2 = (Painting) paints.get(1);
Artist a1 = p1.getToArtist();
assertSame(a1, p2.getToArtist());
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
createTestData("testRefreshCollectionToOneUpdate");
RefreshQuery refresh = new RefreshQuery(paints);
context.performQuery(refresh);
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
assertEquals(PersistenceState.HOLLOW, p1.getPersistenceState());
assertEquals(PersistenceState.HOLLOW, p2.getPersistenceState());
assertNotSame(a1, p1.getToArtist());
assertNotSame(a1, p2.getToArtist());
assertEquals("b", p1.getToArtist().getArtistName());
}
public void testRefreshSingleObject() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
SelectQuery q = new SelectQuery(Artist.class);
q.addOrdering("db:ARTIST_ID", SortOrder.ASCENDING);
List artists = context.performQuery(q);
Artist a1 = (Artist) artists.get(0);
assertEquals(2, a1.getPaintingArray().size());
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a1.getObjectId()));
RefreshQuery refresh = new RefreshQuery(a1);
context.performQuery(refresh);
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a1.getObjectId()));
assertEquals(PersistenceState.HOLLOW, a1.getPersistenceState());
assertTrue(((ValueHolder) a1.readProperty(Artist.PAINTING_ARRAY_PROPERTY))
.isFault());
}
public void testRefreshObjectToMany() throws Exception {
deleteTestData();
createTestData("testRefreshObjectToMany");
DataContext context = createDataContext();
Artist a = Cayenne.objectForPK(context, Artist.class, 33001l);
assertEquals(2, a.getPaintingArray().size());
createTestData("testRefreshObjectToManyUpdate");
RefreshQuery refresh = new RefreshQuery(a);
context.performQuery(refresh);
assertEquals(PersistenceState.HOLLOW, a.getPersistenceState());
assertEquals(1, a.getPaintingArray().size());
}
public void testRefreshQueryResultsLocalCache() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
Expression qual = ExpressionFactory.matchExp(
Painting.PAINTING_TITLE_PROPERTY,
"P2");
SelectQuery q = new SelectQuery(Painting.class, qual);
q.addOrdering("db:PAINTING_ID", SortOrder.ASCENDING);
q.setCacheStrategy(QueryCacheStrategy.LOCAL_CACHE);
q.setCacheGroups("X");
List paints = context.performQuery(q);
// fetch P1 separately from cached query
Painting p1 = Cayenne.objectForPK(context, Painting.class, 33001);
Painting p2 = (Painting) paints.get(0);
Artist a1 = p2.getToArtist();
assertSame(a1, p1.getToArtist());
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
createTestData("testRefreshCollectionToOneUpdate");
RefreshQuery refresh = new RefreshQuery(q);
context.performQuery(refresh);
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
// probably refreshed eagerly
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
assertEquals(PersistenceState.COMMITTED, p1.getPersistenceState());
assertEquals(PersistenceState.COMMITTED, p2.getPersistenceState());
assertSame(a1, p1.getToArtist());
assertNotSame(a1, p2.getToArtist());
assertEquals("c", p1.getToArtist().getArtistName());
assertEquals("b", p2.getToArtist().getArtistName());
}
public void testRefreshQueryResultsSharedCache() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
Expression qual = ExpressionFactory.matchExp(
Painting.PAINTING_TITLE_PROPERTY,
"P2");
SelectQuery q = new SelectQuery(Painting.class, qual);
q.addOrdering("db:PAINTING_ID", SortOrder.ASCENDING);
q.setCacheStrategy(QueryCacheStrategy.SHARED_CACHE);
q.setCacheGroups("X");
List paints = context.performQuery(q);
// fetch P1 separately from cached query
Painting p1 = Cayenne.objectForPK(context, Painting.class, 33001);
Painting p2 = (Painting) paints.get(0);
Artist a1 = p2.getToArtist();
assertSame(a1, p1.getToArtist());
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
createTestData("testRefreshCollectionToOneUpdate");
RefreshQuery refresh = new RefreshQuery(q);
context.performQuery(refresh);
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
// probably refreshed eagerly
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
assertEquals(PersistenceState.COMMITTED, p1.getPersistenceState());
assertEquals(PersistenceState.COMMITTED, p2.getPersistenceState());
assertSame(a1, p1.getToArtist());
assertNotSame(a1, p2.getToArtist());
assertEquals("c", p1.getToArtist().getArtistName());
assertEquals("b", p2.getToArtist().getArtistName());
}
public void testRefreshQueryResultGroupLocal() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
Expression qual = ExpressionFactory.matchExp(
Painting.PAINTING_TITLE_PROPERTY,
"P2");
SelectQuery q = new SelectQuery(Painting.class, qual);
q.addOrdering("db:PAINTING_ID", SortOrder.ASCENDING);
q.setCacheStrategy(QueryCacheStrategy.LOCAL_CACHE);
q.setCacheGroups("X");
List paints = context.performQuery(q);
// fetch P1 separately from cached query
Painting p1 = Cayenne.objectForPK(context, Painting.class, 33001);
Painting p2 = (Painting) paints.get(0);
Artist a1 = p2.getToArtist();
assertSame(a1, p1.getToArtist());
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
createTestData("testRefreshCollectionToOneUpdate");
// results are served from cache and therefore are not refreshed
context.performQuery(q);
assertSame(a1, p1.getToArtist());
assertSame(a1, p2.getToArtist());
assertEquals("c", p1.getToArtist().getArtistName());
assertEquals("c", p2.getToArtist().getArtistName());
RefreshQuery refresh = new RefreshQuery("X");
// this should invalidate results for the next query run
context.performQuery(refresh);
// this should force a refresh
context.performQuery(q);
assertEquals(PersistenceState.COMMITTED, p1.getPersistenceState());
assertEquals(PersistenceState.COMMITTED, p2.getPersistenceState());
assertSame(a1, p1.getToArtist());
assertNotSame(a1, p2.getToArtist());
assertEquals("c", p1.getToArtist().getArtistName());
assertEquals("b", p2.getToArtist().getArtistName());
}
public void testRefreshAll() throws Exception {
deleteTestData();
createTestData("testRefreshCollection");
DataContext context = createDataContext();
SelectQuery q = new SelectQuery(Artist.class);
q.addOrdering("db:ARTIST_ID", SortOrder.ASCENDING);
List artists = context.performQuery(q);
Artist a1 = (Artist) artists.get(0);
Artist a2 = (Artist) artists.get(1);
Painting p1 = a1.getPaintingArray().get(0);
Painting p2 = a1.getPaintingArray().get(0);
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a2.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNotNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
RefreshQuery refresh = new RefreshQuery();
context.performQuery(refresh);
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a1.getObjectId()));
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(a2.getObjectId()));
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p1.getObjectId()));
assertNull(context
.getParentDataDomain()
.getSharedSnapshotCache()
.getCachedSnapshot(p2.getObjectId()));
assertEquals(PersistenceState.HOLLOW, a1.getPersistenceState());
assertEquals(PersistenceState.HOLLOW, a2.getPersistenceState());
assertEquals(PersistenceState.HOLLOW, p1.getPersistenceState());
assertEquals(PersistenceState.HOLLOW, p2.getPersistenceState());
}
}