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package org.apache.cayenne.util;
import org.apache.cayenne.Cayenne;
import org.apache.cayenne.CayenneContext;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.Persistent;
import org.apache.cayenne.configuration.rop.client.ClientRuntime;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.ObjectIdQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.testdo.mt.ClientMtTable2;
import org.apache.cayenne.unit.di.DataChannelInterceptor;
import org.apache.cayenne.unit.di.UnitTestClosure;
import org.apache.cayenne.unit.di.client.ClientCase;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
@UseServerRuntime(CayenneProjects.MULTI_TIER_PROJECT)
public class ShallowMergeOperation_ClientIT extends ClientCase {
@Inject
private ClientRuntime runtime;
@Inject
private CayenneContext context;
@Inject
private DataChannelInterceptor queryInterceptor;
@Inject
private DBHelper dbHelper;
private TableHelper tMtTable1;
@Before
public void setUp() throws Exception {
tMtTable1 = new TableHelper(dbHelper, "MT_TABLE1");
tMtTable1.setColumns("TABLE1_ID", "GLOBAL_ATTRIBUTE1", "SERVER_ATTRIBUTE1");
}
private void createMtTable1DataSet() throws Exception {
tMtTable1.insert(33001, "g1", "s1");
tMtTable1.insert(33002, "g2", "s2");
tMtTable1.insert(33003, "g3", "s3");
tMtTable1.insert(33004, "g4", "s4");
}
@Test
public void testMerge_Relationship() throws Exception {
ObjectContext childContext = runtime.newContext(context);
final ShallowMergeOperation op = new ShallowMergeOperation(childContext);
ClientMtTable1 _new = context.newObject(ClientMtTable1.class);
final ClientMtTable2 _new2 = context.newObject(ClientMtTable2.class);
_new.addToTable2Array(_new2);
queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
public void execute() {
ClientMtTable2 child2 = op.merge(_new2);
assertEquals(PersistenceState.COMMITTED, child2.getPersistenceState());
assertNotNull(child2.getTable1());
assertEquals(PersistenceState.COMMITTED, child2
.getTable1()
.getPersistenceState());
}
});
}
@Test
public void testMerge_NoOverride() throws Exception {
ObjectContext childContext = runtime.newContext(context);
final ShallowMergeOperation op = new ShallowMergeOperation(childContext);
final ClientMtTable1 modified = context.newObject(ClientMtTable1.class);
context.commitChanges();
final ClientMtTable1 peerModified = (ClientMtTable1) Cayenne.objectForQuery(
childContext,
new ObjectIdQuery(modified.getObjectId()));
modified.setGlobalAttribute1("M1");
peerModified.setGlobalAttribute1("M2");
assertEquals(PersistenceState.MODIFIED, modified.getPersistenceState());
assertEquals(PersistenceState.MODIFIED, peerModified.getPersistenceState());
queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
public void execute() {
Persistent peerModified2 = op.merge(modified);
assertSame(peerModified, peerModified2);
assertEquals(
PersistenceState.MODIFIED,
peerModified2.getPersistenceState());
assertEquals("M2", peerModified.getGlobalAttribute1());
assertEquals("M1", modified.getGlobalAttribute1());
}
});
}
@Test
public void testMerge_PersistenceStates() throws Exception {
createMtTable1DataSet();
final ObjectContext childContext = runtime.newContext(context);
final ShallowMergeOperation op = new ShallowMergeOperation(childContext);
final ClientMtTable1 _new = context.newObject(ClientMtTable1.class);
final ClientMtTable1 hollow = Cayenne.objectForPK(
context,
ClientMtTable1.class,
33001);
context.invalidateObjects(hollow);
final ClientMtTable1 committed = Cayenne.objectForPK(
context,
ClientMtTable1.class,
33002);
final ClientMtTable1 modified = Cayenne.objectForPK(
context,
ClientMtTable1.class,
33003);
modified.setGlobalAttribute1("XXX");
final ClientMtTable1 deleted = Cayenne.objectForPK(
context,
ClientMtTable1.class,
33004);
context.deleteObjects(deleted);
assertEquals(PersistenceState.HOLLOW, hollow.getPersistenceState());
assertEquals(PersistenceState.COMMITTED, committed.getPersistenceState());
assertEquals(PersistenceState.MODIFIED, modified.getPersistenceState());
assertEquals(PersistenceState.DELETED, deleted.getPersistenceState());
assertEquals(PersistenceState.NEW, _new.getPersistenceState());
queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {
public void execute() {
Persistent newPeer = op.merge(_new);
assertEquals(_new.getObjectId(), newPeer.getObjectId());
assertEquals(PersistenceState.COMMITTED, newPeer.getPersistenceState());
assertSame(childContext, newPeer.getObjectContext());
assertSame(context, _new.getObjectContext());
Persistent hollowPeer = op.merge(hollow);
assertEquals(PersistenceState.HOLLOW, hollowPeer.getPersistenceState());
assertEquals(hollow.getObjectId(), hollowPeer.getObjectId());
assertSame(childContext, hollowPeer.getObjectContext());
assertSame(context, hollow.getObjectContext());
Persistent committedPeer = op.merge(committed);
assertEquals(
PersistenceState.COMMITTED,
committedPeer.getPersistenceState());
assertEquals(committed.getObjectId(), committedPeer.getObjectId());
assertSame(childContext, committedPeer.getObjectContext());
assertSame(context, committed.getObjectContext());
ClientMtTable1 modifiedPeer = op.merge(modified);
assertEquals(
PersistenceState.COMMITTED,
modifiedPeer.getPersistenceState());
assertEquals(modified.getObjectId(), modifiedPeer.getObjectId());
assertEquals("XXX", modifiedPeer.getGlobalAttribute1());
assertSame(childContext, modifiedPeer.getObjectContext());
assertSame(context, modified.getObjectContext());
Persistent deletedPeer = op.merge(deleted);
assertEquals(
PersistenceState.COMMITTED,
deletedPeer.getPersistenceState());
assertEquals(deleted.getObjectId(), deletedPeer.getObjectId());
assertSame(childContext, deletedPeer.getObjectContext());
assertSame(context, deleted.getObjectContext());
}
});
}
}