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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.Iterator;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.ResultSetShape;
import org.apache.tuscany.das.rdb.SDODataTypes;
import org.apache.tuscany.das.rdb.impl.ReadCommandImpl;
import org.apache.tuscany.das.rdb.test.data.PartData;
import org.apache.tuscany.das.rdb.test.framework.DasTest;
import commonj.sdo.DataObject;
import commonj.sdo.Type;
public class RecursiveTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new PartData(getAutoConnection()).refresh();
}
public void testReadEngineParts() throws Exception {
//Table definition
//CREATE TABLE PART (ID INT PRIMARY KEY NOT NULL, NAME VARCHAR(50), QUANTITY INT, PARENT_ID INT );
String threeLevelPartsSQL = "SELECT P1.*, P2.*, P3.* FROM PART AS P1 LEFT JOIN PART AS P2 ON P1.ID = P2.PARENT_ID "
+ "LEFT JOIN PART AS P3 on P2.ID = P3.PARENT_ID WHERE P1.ID = 1";
Command select = Command.FACTORY.createCommand(threeLevelPartsSQL, getConfig("PartsConfig.xml"));
select.setConnection(getConnection());
String[] columns = {"ID", "NAME", "QUANTITY", "PARENT_ID", "ID", "NAME", "QUANTITY", "PARENT_ID", "ID", "NAME", "QUANTITY", "PARENT_ID"};
String[] tables = {"PART", "PART", "PART", "PART", "PART", "PART", "PART", "PART", "PART", "PART", "PART", "PART"};
Type[] types = {SDODataTypes.INTEGEROBJECT, SDODataTypes.STRING, SDODataTypes.INTEGEROBJECT, SDODataTypes.INTEGEROBJECT, SDODataTypes.INTEGEROBJECT, SDODataTypes.STRING, SDODataTypes.INTEGEROBJECT, SDODataTypes.INTEGEROBJECT, SDODataTypes.INTEGEROBJECT, SDODataTypes.STRING, SDODataTypes.INTEGEROBJECT, SDODataTypes.INTEGEROBJECT};
ResultSetShape shape = new ResultSetShape(tables, columns, types);
//Hack until we provide a nicer API
((ReadCommandImpl)select).setResultSetShape(shape);
// Need to set the key explicitly. The aggregate of columns not working
// because of null values
DataObject root = select.executeQuery();
assertEquals(5, root.getList("PART").size());
// printList(root.getList("PART"));
DataObject engine = root.getDataObject("PART.0");
assertEquals("Engine", engine.getString("NAME"));
assertEquals(3, engine.getList("subparts").size());
DataObject piston = null;
Iterator i = engine.getList("subparts").iterator();
while ( i.hasNext() ) {
DataObject obj = (DataObject)i.next();
if ( obj.getString("NAME").equals("Piston"))
piston = obj;
}
assertEquals("Piston", piston.getString("NAME"));
assertEquals(1, piston.getList("subparts").size());
assertEquals("Piston Ring", piston.getDataObject("subparts.0").getString("NAME"));
}
}
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