Examples of org.apache.cayenne.unit.UnitLocalConnection

org.apache.cayenne.unit.UnitLocalConnection
A ClientConnection that allows to block/unblock test client/server communications.


    public void testSelectPrimitives() {
        insertValue();
        DataContext context = createDataContext();
        ClientServerChannel clientServerChannel = new ClientServerChannel(context);
        UnitLocalConnection connection = new UnitLocalConnection(
                clientServerChannel,
                LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext clientContext = new CayenneContext(channel);

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        createTestData("prepare");


        // this clears domain cache
        createDataContext();


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        ObjectId id = new ObjectId("MtTable1", MtTable1.TABLE1_ID_PK_COLUMN, new Integer(

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        createTestData("testMeaningfulPK");


        SelectQuery query = new SelectQuery(ClientMtMeaningfulPk.class);
        query.addOrdering(ClientMtMeaningfulPk.PK_PROPERTY, Ordering.DESC);


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        List results = context.performQuery(query);

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    }


    public void testPrefetchingToOne() throws Exception {
        createTestData("testPrefetching");


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        ObjectId prefetchedId = new ObjectId(
                "MtTable1",
                MtTable1.TABLE1_ID_PK_COLUMN,
                new Integer(1));


        SelectQuery q = new SelectQuery(ClientMtTable2.class);
        q.addOrdering(ClientMtTable2.GLOBAL_ATTRIBUTE_PROPERTY, true);
        q.addPrefetch(ClientMtTable2.TABLE1_PROPERTY);


        List results = context.performQuery(q);


        connection.setBlockingMessages(true);
        try {


            assertEquals(2, results.size());
            Iterator it = results.iterator();
            while (it.hasNext()) {
                ClientMtTable2 o = (ClientMtTable2) it.next();
                assertEquals(PersistenceState.COMMITTED, o.getPersistenceState());
                assertSame(context, o.getObjectContext());


                ClientMtTable1 o1 = o.getTable1();
                assertNotNull(o1);
                assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
                assertSame(context, o1.getObjectContext());
                assertEquals(prefetchedId, o1.getObjectId());
            }
        }
        finally {
            connection.setBlockingMessages(false);
        }
    }

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    }


    public void testPrefetchingToOneNull() throws Exception {
        createTestData("testPrefetchingToOneNull");


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        SelectQuery q = new SelectQuery(ClientMtTable2.class);
        q.addPrefetch(ClientMtTable2.TABLE1_PROPERTY);


        List results = context.performQuery(q);


        connection.setBlockingMessages(true);
        try {


            assertEquals(1, results.size());


            ClientMtTable2 o = (ClientMtTable2) results.get(0);
            assertEquals(PersistenceState.COMMITTED, o.getPersistenceState());
            assertSame(context, o.getObjectContext());


            assertNull(o.getTable1());
        }
        finally {
            connection.setBlockingMessages(false);
        }
    }

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    }


    public void testPrefetchingToMany() throws Exception {
        createTestData("testPrefetching");


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        SelectQuery q = new SelectQuery(ClientMtTable1.class);
        q.addOrdering(ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, true);
        q.addPrefetch(ClientMtTable1.TABLE2ARRAY_PROPERTY);


        List results = context.performQuery(q);


        connection.setBlockingMessages(true);
        try {


            ClientMtTable1 o1 = (ClientMtTable1) results.get(0);
            assertEquals(PersistenceState.COMMITTED, o1.getPersistenceState());
            assertSame(context, o1.getObjectContext());


            List children1 = o1.getTable2Array();


            assertEquals(2, children1.size());
            Iterator it = children1.iterator();
            while (it.hasNext()) {
                ClientMtTable2 o = (ClientMtTable2) it.next();
                assertEquals(PersistenceState.COMMITTED, o.getPersistenceState());
                assertSame(context, o.getObjectContext());


                // TODO: fixme...
                // assertEquals(o1, o.getTable1());
            }
        }
        finally {
            connection.setBlockingMessages(false);
        }
    }

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    public void testPerformPaginatedQuery() throws Exception {
        deleteTestData();
        createTestData("testPerformPaginatedQuery");


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        SelectQuery query = new SelectQuery(ClientMtTable1.class);

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    }


    public void testPrefetchingToManyEmpty() throws Exception {
        createTestData("testPrefetching");


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()), LocalConnection.HESSIAN_SERIALIZATION);
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        SelectQuery q = new SelectQuery(ClientMtTable1.class);
        q.addOrdering(ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY, true);
        q.addPrefetch(ClientMtTable1.TABLE2ARRAY_PROPERTY);


        List results = context.performQuery(q);


        connection.setBlockingMessages(true);
        try {


            ClientMtTable1 o2 = (ClientMtTable1) results.get(1);
            assertEquals(PersistenceState.COMMITTED, o2.getPersistenceState());
            assertSame(context, o2.getObjectContext());


            List children2 = o2.getTable2Array();
            assertFalse(((ValueHolder) children2).isFault());
            assertEquals(0, children2.size());
        }
        finally {
            connection.setBlockingMessages(false);
        }
    }

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    public void testOIDQueryInterception() throws Exception {


        deleteTestData();


        UnitLocalConnection connection = new UnitLocalConnection(new ClientServerChannel(
                getDomain()));
        ClientChannel channel = new ClientChannel(connection);
        CayenneContext context = new CayenneContext(channel);


        ClientMtTable1 o = context.newObject(ClientMtTable1.class);
        o.setGlobalAttribute1("aaa");


        // fetch new
        ObjectIdQuery q1 = new ObjectIdQuery(o.getObjectId(), false, ObjectIdQuery.CACHE);


        connection.setBlockingMessages(true);
        try {
            List objects = context.performQuery(q1);
            assertEquals(1, objects.size());
            assertSame(o, objects.get(0));
        }
        finally {
            connection.setBlockingMessages(false);
        }


        context.commitChanges();


        // fetch committed
        ObjectIdQuery q2 = new ObjectIdQuery(o.getObjectId(), false, ObjectIdQuery.CACHE);


        connection.setBlockingMessages(true);
        try {
            List objects = context.performQuery(q2);
            assertEquals(1, objects.size());
            assertSame(o, objects.get(0));
        }
        finally {
            connection.setBlockingMessages(false);
        }
    }

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        clientContext = createROPContext();
    }


    protected CayenneContext createROPContext() {
        ClientServerChannel clientServerChannel = new ClientServerChannel(serverContext);
        UnitLocalConnection connection = new UnitLocalConnection(
                clientServerChannel,
                serializationPolicy);
        ClientChannel channel = new ClientChannel(connection, false,
        // we want events, but we don't want thread leaks, so creating single threaded EM.
                // TODO: replace with container managed ClientCase.

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org.apache.cayenne.CayenneContextNamedQueryCachingTest

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