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package org.apache.cayenne.access;
import java.util.List;
import org.apache.cayenne.CayenneContext;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.ValueHolder;
import org.apache.cayenne.cache.QueryCache;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.query.NamedQuery;
import org.apache.cayenne.query.Ordering;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.remote.ClientChannel;
import org.apache.cayenne.remote.service.LocalConnection;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.testdo.mt.ClientMtTable2;
import org.apache.cayenne.unit.AccessStack;
import org.apache.cayenne.unit.CayenneCase;
import org.apache.cayenne.unit.CayenneResources;
import org.apache.cayenne.util.PersistentObjectHolder;
import org.apache.cayenne.util.PersistentObjectList;
public class ClientServerChannelQueryTest extends CayenneCase {
private ObjectContext context;
private ClientServerChannel serverChannel;
@Override
protected void setUp() throws Exception {
super.setUp();
serverChannel = new ClientServerChannel(getDomain());
LocalConnection connector = new LocalConnection(
serverChannel,
LocalConnection.HESSIAN_SERIALIZATION);
context = new CayenneContext(new ClientChannel(connector));
}
@Override
protected AccessStack buildAccessStack() {
return CayenneResources.getResources().getAccessStack(MULTI_TIER_ACCESS_STACK);
}
public void testPaginatedQueryServerCacheOverflow() throws Exception {
createTestData("testPaginatedQueryServerCacheOverflow");
SelectQuery query = new SelectQuery(ClientMtTable1.class);
query.addOrdering(ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, Ordering.ASC);
query.setPageSize(3);
List<?> results = context.performQuery(query);
// read page 1
assertTrue(results.get(0) instanceof ClientMtTable1);
// now kick out the server-side list from local cache, and see if the query would
// recover...
QueryCache qc = serverChannel.getQueryCache();
assertEquals(1, qc.size());
qc.clear();
assertEquals(0, qc.size());
assertTrue(results.get(3) instanceof ClientMtTable1);
}
public void testNamedQuery() throws Exception {
createTestData("prepare");
NamedQuery q = new NamedQuery("AllMtTable1");
List<?> results = context.performQuery(q);
assertEquals(2, results.size());
assertTrue(results.get(0) instanceof ClientMtTable1);
}
public void testSelectQueryEntityNameRoot() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery("MtTable1");
List<?> results = context.performQuery(q);
assertEquals(2, results.size());
assertTrue(results.get(0) instanceof ClientMtTable1);
}
public void testSelectQueryClientClassRoot() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery(ClientMtTable1.class);
List<?> results = context.performQuery(q);
assertEquals(2, results.size());
assertTrue(results.get(0) instanceof ClientMtTable1);
}
public void testSelectQuerySimpleQualifier() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery(ClientMtTable1.class, Expression
.fromString("globalAttribute1 = 'g1'"));
List<?> results = context.performQuery(q);
assertEquals(1, results.size());
assertTrue(results.get(0) instanceof ClientMtTable1);
}
public void testSelectQueryToManyRelationshipQualifier() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery(ClientMtTable1.class, Expression
.fromString("table2Array.globalAttribute = 'g1'"));
List<?> results = context.performQuery(q);
assertEquals(1, results.size());
assertTrue(results.get(0) instanceof ClientMtTable1);
}
public void testSelectQueryOrdering() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery("MtTable1");
q.addOrdering(ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, true);
List<?> results = context.performQuery(q);
assertEquals(2, results.size());
ClientMtTable1 o1 = (ClientMtTable1) results.get(0);
ClientMtTable1 o2 = (ClientMtTable1) results.get(1);
assertTrue(o1.getGlobalAttribute1().compareTo(o2.getGlobalAttribute1()) < 0);
// now run the same query with reverse ordering to check that the first ordering
// result wasn't coincidental.
q.clearOrderings();
q.addOrdering(ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, false);
List<?> results1 = context.performQuery(q);
assertEquals(2, results1.size());
ClientMtTable1 o3 = (ClientMtTable1) results1.get(0);
ClientMtTable1 o4 = (ClientMtTable1) results1.get(1);
assertTrue(o3.getGlobalAttribute1().compareTo(o4.getGlobalAttribute1()) > 0);
}
public void testSelectQueryPrefetchToOne() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery(ClientMtTable2.class, Expression
.fromString("globalAttribute = 'g1'"));
q.addPrefetch(ClientMtTable2.TABLE1_PROPERTY);
List<?> results = context.performQuery(q);
assertEquals(1, results.size());
ClientMtTable2 result = (ClientMtTable2) results.get(0);
ValueHolder holder = result.getTable1Direct();
assertNotNull(holder);
assertTrue(holder instanceof PersistentObjectHolder);
PersistentObjectHolder objectHolder = (PersistentObjectHolder) holder;
assertFalse(objectHolder.isFault());
ClientMtTable1 target = (ClientMtTable1) objectHolder.getValue();
assertNotNull(target);
}
public void testSelectQueryPrefetchToMany() throws Exception {
createTestData("prepare");
SelectQuery q = new SelectQuery(ClientMtTable1.class, Expression
.fromString("globalAttribute1 = 'g1'"));
q.addPrefetch(ClientMtTable1.TABLE2ARRAY_PROPERTY);
List<?> results = context.performQuery(q);
assertEquals(1, results.size());
ClientMtTable1 result = (ClientMtTable1) results.get(0);
List<?> holder = result.getTable2ArrayDirect();
assertNotNull(holder);
assertTrue(holder instanceof PersistentObjectList);
PersistentObjectList objectHolder = (PersistentObjectList) holder;
assertFalse(objectHolder.isFault());
assertEquals(2, objectHolder.size());
}
}