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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.das.rdb.test;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.ConfigHelper;
import org.apache.tuscany.das.rdb.DAS;
import org.apache.tuscany.das.rdb.merge.impl.GraphMerger;
import org.apache.tuscany.das.rdb.test.customer.Customer;
import org.apache.tuscany.das.rdb.test.customer.CustomerFactory;
import org.apache.tuscany.das.rdb.test.data.CustomerData;
import org.apache.tuscany.das.rdb.test.data.OrderData;
import org.apache.tuscany.das.rdb.test.framework.DasTest;
import commonj.sdo.DataObject;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.impl.HelperProvider;
public class GraphMergeTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new CustomerData(getAutoConnection()).refresh();
new OrderData(getAutoConnection()).refresh();
}
public void testCreateEmptyGraph() throws Exception {
String typeUri = "http:///org.apache.tuscany.das.rdb.test/customer.xsd";
HelperContext context = HelperProvider.getDefaultContext();
CustomerFactory.INSTANCE.register(context);
ConfigHelper helper = new ConfigHelper();
helper.setDataObjectModel(typeUri);
DataObject graph = new GraphMerger().emptyGraph(helper.getConfig());
assertEquals(0, graph.getList("Customer").size());
assertEquals(0, graph.getList("AnOrder").size());
}
public void testCreateEmptyGraphAndAddCustomer() throws Exception {
String typeUri = "http:///org.apache.tuscany.das.rdb.test/customer.xsd";
HelperContext context = HelperProvider.getDefaultContext();
CustomerFactory.INSTANCE.register(context);
ConfigHelper helper = new ConfigHelper();
helper.setDataObjectModel(typeUri);
helper.addTable("CUSTOMER", "Customer");
helper.addPrimaryKey("CUSTOMER.ID");
DataObject graph = new GraphMerger().emptyGraph(helper.getConfig());
Customer c = (Customer) graph.createDataObject("Customer");
c.setID(4000);
c.setLastName("Smith");
c.setAddress("400 Fourth Street");
DAS das = DAS.FACTORY.createDAS(helper.getConfig(), getConnection());
das.applyChanges(graph);
Command cmd = das.createCommand("select * from CUSTOMER order by ID desc");
graph = cmd.executeQuery();
assertEquals(6, graph.getList("Customer").size());
assertEquals("Smith", graph.getDataObject("Customer[1]").getString("lastName"));
assertEquals("400 Fourth Street", graph.getDataObject("Customer[1]").getString("address"));
}
public void testSingleTableMerge() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConnection());
Command select = das.createCommand("Select ID, LASTNAME, ADDRESS from CUSTOMER where ID <= ?");
select.setParameter(1, "3");
DataObject graph1 = select.executeQuery();
assertEquals(3, graph1.getList("CUSTOMER").size());
select.setParameter(1, "5");
DataObject graph2 = select.executeQuery();
assertEquals(5, graph2.getList("CUSTOMER").size());
GraphMerger merger = new GraphMerger();
merger.addPrimaryKey("CUSTOMER.ID");
DataObject mergedGraph = merger.merge(graph1, graph2);
assertEquals(5, mergedGraph.getList("CUSTOMER").size());
}
public void testSingleTableMergeThreeGraphs() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConnection());
Command select = das.createCommand("Select ID, LASTNAME, ADDRESS from CUSTOMER where ID <= ?");
select.setParameter(1, "3");
DataObject graph1 = select.executeQuery();
assertEquals(3, graph1.getList("CUSTOMER").size());
select.setParameter(1, "4");
DataObject graph2 = select.executeQuery();
assertEquals(4, graph2.getList("CUSTOMER").size());
select.setParameter(1, "5");
DataObject graph3 = select.executeQuery();
assertEquals(5, graph3.getList("CUSTOMER").size());
GraphMerger merger = new GraphMerger();
merger.addPrimaryKey("CUSTOMER.ID");
List graphs = new ArrayList();
graphs.add(graph1);
graphs.add(graph2);
graphs.add(graph3);
DataObject mergedGraph = merger.merge(graphs);
assertEquals(5, mergedGraph.getList("CUSTOMER").size());
}
public void testMultiTableMerge2() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConfig("CustomersOrdersConfig.xml"), getConnection());
// Read some customers and related orders
Command select = das.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON "
+ "CUSTOMER.ID = ANORDER.CUSTOMER_ID where CUSTOMER.ID = ?");
select.setParameter(1, new Integer(1));
DataObject graph1 = select.executeQuery();
DataObject customer = (DataObject) graph1.getList("CUSTOMER").get(0);
assertEquals(2, customer.getList("orders").size());
select.setParameter(1, new Integer(2));
DataObject graph2 = select.executeQuery();
DataObject customer2 = (DataObject) graph2.getList("CUSTOMER").get(0);
assertEquals(1, graph2.getList("CUSTOMER").size());
assertEquals(1, customer2.getList("orders").size());
assertEquals(2, customer2.getInt("ID"));
GraphMerger merger = new GraphMerger();
merger.addPrimaryKey("CUSTOMER.ID");
merger.addPrimaryKey("ANORDER.ID");
DataObject mergedGraph = merger.merge(graph1, graph2);
assertEquals(3, mergedGraph.getList("ANORDER").size());
assertEquals(2, mergedGraph.getList("CUSTOMER").size());
DataObject mergedCustomer = (DataObject) mergedGraph.getList("CUSTOMER").get(1);
assertEquals(2, mergedCustomer.getInt("ID"));
assertEquals(1, mergedCustomer.getList("orders").size());
DataObject mergedOrder = (DataObject) mergedCustomer.getList("orders").get(0);
assertEquals(4, mergedOrder.getInt("ID"));
}
public void testMultiTableAppendSingleTable2() throws Exception {
DAS das = DAS.FACTORY.createDAS(getConfig("CustomersOrdersConfig.xml"), getConnection());
// Read some customers and related orders
Command select = das.createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON "
+ "CUSTOMER.ID = ANORDER.CUSTOMER_ID where CUSTOMER.ID = ?");
select.setParameter(1, new Integer(1));
DataObject graph1 = select.executeQuery();
DataObject customer = (DataObject) graph1.getList("CUSTOMER").get(0);
assertEquals(2, customer.getList("orders").size());
DAS das2 = DAS.FACTORY.createDAS(getConnection());
Command select2 = das2.createCommand("select * from ANORDER");
DataObject graph2 = select2.executeQuery();
assertEquals(4, graph2.getList("ANORDER").size());
GraphMerger merger = new GraphMerger();
merger.addPrimaryKey("CUSTOMER.ID");
merger.addPrimaryKey("ANORDER.ID");
DataObject mergedGraph = merger.merge(graph1, graph2);
assertEquals(4, mergedGraph.getList("ANORDER").size());
assertEquals(1, mergedGraph.getList("CUSTOMER").size());
}
}
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