/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000-2003
* Sleepycat Software. All rights reserved.
*
* $Id: JoinTest.java,v 1.27 2004/04/09 12:42:36 mark Exp $
*/
package com.sleepycat.collections.test;
import java.util.Map;
import junit.framework.Test;
import junit.framework.TestCase;
import com.sleepycat.bind.serial.StoredClassCatalog;
import com.sleepycat.bind.serial.test.MarshalledObject;
import com.sleepycat.collections.StoredCollection;
import com.sleepycat.collections.StoredContainer;
import com.sleepycat.collections.StoredIterator;
import com.sleepycat.collections.StoredMap;
import com.sleepycat.collections.TransactionRunner;
import com.sleepycat.collections.TransactionWorker;
import com.sleepycat.collections.TupleSerialFactory;
import com.sleepycat.compat.DbCompat;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.Environment;
import com.sleepycat.je.SecondaryConfig;
import com.sleepycat.je.SecondaryDatabase;
/**
* @author Mark Hayes
*/
public class JoinTest extends TestCase
implements TransactionWorker {
private static final String MATCH_DATA = "d4"; // matches both keys = "yes"
private static final String MATCH_KEY = "k4"; // matches both keys = "yes"
private static final String[] VALUES = {"yes", "yes"};
public static void main(String[] args)
throws Exception {
junit.framework.TestResult tr =
junit.textui.TestRunner.run(suite());
if (tr.errorCount() > 0 ||
tr.failureCount() > 0) {
System.exit(1);
} else {
System.exit(0);
}
}
public static Test suite()
throws Exception {
return new JoinTest();
}
private Environment env;
private TransactionRunner runner;
private StoredClassCatalog catalog;
private TupleSerialFactory factory;
private Database store;
private SecondaryDatabase index1;
private SecondaryDatabase index2;
private StoredMap storeMap;
private StoredMap indexMap1;
private StoredMap indexMap2;
public JoinTest() {
super("JoinTest");
}
public void setUp()
throws Exception {
DbTestUtil.printTestName(getName());
env = TestEnv.TXN.open(getName());
runner = new TransactionRunner(env);
createDatabase();
}
public void tearDown() {
try {
if (index1 != null) {
index1.close();
}
if (index2 != null) {
index2.close();
}
if (store != null) {
store.close();
}
if (catalog != null) {
catalog.close();
}
if (env != null) {
env.close();
}
} catch (Exception e) {
System.out.println("Ignored exception during tearDown: " + e);
} finally {
/* Ensure that GC can cleanup. */
index1 = null;
index2 = null;
store = null;
catalog = null;
env = null;
runner = null;
factory = null;
storeMap = null;
indexMap1 = null;
indexMap2 = null;
}
}
public void runTest()
throws Exception {
runner.run(this);
}
public void doWork()
throws Exception {
createViews();
writeAndRead();
}
private void createDatabase()
throws Exception {
catalog = new StoredClassCatalog(openDb("catalog.db"));
factory = new TupleSerialFactory(catalog);
assertSame(catalog, factory.getCatalog());
store = openDb("store.db");
index1 = openSecondaryDb(store, "index1.db", "1");
index2 = openSecondaryDb(store, "index2.db", "2");
}
private Database openDb(String file)
throws Exception {
DatabaseConfig config = new DatabaseConfig();
DbCompat.setTypeBtree(config);
config.setTransactional(true);
config.setAllowCreate(true);
return DbCompat.openDatabase(env, null, file, null, config);
}
private SecondaryDatabase openSecondaryDb(Database primary,
String file,
String keyName)
throws Exception {
SecondaryConfig secConfig = new SecondaryConfig();
DbCompat.setTypeBtree(secConfig);
secConfig.setTransactional(true);
secConfig.setAllowCreate(true);
DbCompat.setSortedDuplicates(secConfig, true);
secConfig.setKeyCreator(factory.getKeyCreator(MarshalledObject.class,
keyName));
return DbCompat.openSecondaryDatabase(env, null,
file, null,
primary, secConfig);
}
private void createViews()
throws Exception {
storeMap = factory.newMap(store, String.class,
MarshalledObject.class, true);
indexMap1 = factory.newMap(index1, String.class,
MarshalledObject.class, true);
indexMap2 = factory.newMap(index2, String.class,
MarshalledObject.class, true);
}
private void writeAndRead()
throws Exception {
// write records: Data, PrimaryKey, IndexKey1, IndexKey2
assertNull(storeMap.put(null,
new MarshalledObject("d1", "k1", "no", "yes")));
assertNull(storeMap.put(null,
new MarshalledObject("d2", "k2", "no", "no")));
assertNull(storeMap.put(null,
new MarshalledObject("d3", "k3", "no", "yes")));
assertNull(storeMap.put(null,
new MarshalledObject("d4", "k4", "yes", "yes")));
assertNull(storeMap.put(null,
new MarshalledObject("d5", "k5", "yes", "no")));
Object o;
Map.Entry e;
// join values with index maps
o = doJoin((StoredCollection) storeMap.values());
assertEquals(MATCH_DATA, ((MarshalledObject) o).getData());
// join keySet with index maps
o = doJoin((StoredCollection) storeMap.keySet());
assertEquals(MATCH_KEY, o);
// join entrySet with index maps
o = doJoin((StoredCollection) storeMap.entrySet());
e = (Map.Entry) o;
assertEquals(MATCH_KEY, e.getKey());
assertEquals(MATCH_DATA, ((MarshalledObject) e.getValue()).getData());
}
private Object doJoin(StoredCollection coll) {
StoredContainer[] indices = { indexMap1, indexMap2 };
StoredIterator i = coll.join(indices, VALUES, null);
try {
assertTrue(i.hasNext());
Object result = i.next();
assertNotNull(result);
assertFalse(i.hasNext());
return result;
} finally { i.close(); }
}
}