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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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 org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.merge.impl.GraphMerger;
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;
public class GraphMergeTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new CustomerData(getAutoConnection()).refresh();
new OrderData(getAutoConnection()).refresh();
}
public void testSingleTableMerge() throws Exception {
Command select = Command.FACTORY
.createCommand("Select ID, LASTNAME, ADDRESS from CUSTOMER where ID <= :ID");
select.setConnection(getConnection());
select.setParameterValue("ID", "3");
DataObject graph1 = select.executeQuery();
assertEquals(3, graph1.getList("CUSTOMER").size());
select.setParameterValue("ID", "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 {
Command select = Command.FACTORY
.createCommand("Select ID, LASTNAME, ADDRESS from CUSTOMER where ID <= :ID");
select.setConnection(getConnection());
select.setParameterValue("ID", "3");
DataObject graph1 = select.executeQuery();
assertEquals(3, graph1.getList("CUSTOMER").size());
select.setParameterValue("ID", "4");
DataObject graph2 = select.executeQuery();
assertEquals(4, graph2.getList("CUSTOMER").size());
select.setParameterValue("ID", "5");
DataObject graph3 = select.executeQuery();
assertEquals(5, graph3.getList("CUSTOMER").size());
GraphMerger merger = new GraphMerger();
merger.addPrimaryKey("CUSTOMER.ID");
ArrayList 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 {
//Read some customers and related orders
Command select = Command.FACTORY.createCommand(
"SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID where CUSTOMER.ID = :ID", getConfig("CustomersOrdersConfig.xml"));
select.setConnection(getConnection());
select.setConnection(getConnection());
select.setParameterValue("ID", new Integer(1));
DataObject graph1 = select.executeQuery();
DataObject customer = (DataObject)graph1.getList("CUSTOMER").get(0);
assertEquals(2, customer.getList("orders").size());
select.setParameterValue("ID", 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 {
//Read some customers and related orders
Command select = Command.FACTORY.createCommand(
"SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID where CUSTOMER.ID = :ID", getConfig("CustomersOrdersConfig.xml"));
select.setConnection(getConnection());
select.setConnection(getConnection());
select.setParameterValue("ID", new Integer(1));
DataObject graph1 = select.executeQuery();
DataObject customer = (DataObject)graph1.getList("CUSTOMER").get(0);
assertEquals(2, customer.getList("orders").size());
Command select2 = Command.FACTORY.createCommand("select * from ANORDER");
select2.setConnection(getConnection());
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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