/* HeliDB -- A simple database for Java, http://www.helidb.org
* Copyright (C) 2008, 2009 Karl Gustafsson
*
* This file is a part of HeliDB.
*
* HeliDB is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeliDB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.helidb.impl.txn.sc;
import java.util.HashMap;
import java.util.Map;
import org.entityfs.Directory;
import org.entityfs.EFile;
import org.entityfs.Entity;
import org.entityfs.support.log.LogAdapterHolder;
import org.entityfs.support.log.StdOutLogAdapter;
import org.entityfs.util.Directories;
import org.helidb.CRSSortedBackendDBTester;
import org.helidb.Database;
import org.helidb.backend.heapcrs.ConstantRecordSizeHeapBackendFactory;
import org.helidb.backend.index.bplus.BPlusTreeIndexBackendFactory;
import org.helidb.backend.index.bplus.BPlusTreeIndexBackendFileBackedNodeRepositoryBuilder;
import org.helidb.lang.hasher.CharacterToCharacterHasher;
import org.helidb.lang.hasher.IntegerToIntegerHasher;
import org.helidb.lang.serializer.CharacterNullSerializer;
import org.helidb.lang.serializer.CharacterSerializer;
import org.helidb.lang.serializer.IntegerNullSerializer;
import org.helidb.lang.serializer.IntegerSerializer;
import org.helidb.lang.serializer.LongSerializer;
import org.helidb.txn.TransactionalDatabase;
import org.helidb.util.bplus.LruCacheNodeRepositoryBuilder;
import org.junit.Test;
public class ScTxnDbOnConstantRecordSizeHeapBackendWBPlusTreeIndexTest extends AbstractScTxnDbOnConstantRecordSizeBackendTest<Long>
{
private final Map<Database<?, ?>, Entity[]> m_dbFiles = new HashMap<Database<?, ?>, Entity[]>();
private ShadowCopyTransactionalDatabase<Integer, Long, Long> createDatabaseUsingFile(Directory dir, EFile f, EFile indf)
{
LogAdapterHolder lah = new LogAdapterHolder(new StdOutLogAdapter());
BPlusTreeIndexBackendFileBackedNodeRepositoryBuilder<Integer> nrb = new BPlusTreeIndexBackendFileBackedNodeRepositoryBuilder<Integer>();
nrb.setKeySerializer(IntegerNullSerializer.INSTANCE);
nrb.setLogAdapterHolder(lah);
ShadowCopyTransactionalDatabase<Integer, Long, Long> res = new ShadowCopyTransactionalDatabase<Integer, Long, Long>(new BPlusTreeIndexFileManager(new HeapBackendFileManager(f, dir), indf, dir), new BPlusTreeIndexBackendFactory<Integer, Long, Integer, Long>(new ConstantRecordSizeHeapBackendFactory<Integer, Long>(IntegerSerializer.INSTANCE, LongSerializer.INSTANCE, 0, 8192, lah), new LruCacheNodeRepositoryBuilder<Integer, Long>().setProxiedBuilder(nrb), IntegerToIntegerHasher.INSTANCE, lah), false, lah);
m_dbFiles.put(res, new Entity[] { dir, f, indf });
return res;
}
@Override
public ShadowCopyTransactionalDatabase<Integer, Long, Long> createDatabaseWoTxnInDirectory(Directory dir)
{
EFile f = Directories.newFile(dir, "db");
EFile indf = Directories.newFile(dir, "index");
return createDatabaseUsingFile(dir, f, indf);
}
@Override
public ShadowCopyTransactionalDatabase<Integer, Long, Long> createNewDatabaseUsingSameFiles(TransactionalDatabase<Integer, Long> otherDb)
{
Entity[] ents = m_dbFiles.get(otherDb);
return createDatabaseUsingFile((Directory) ents[0], (EFile) ents[1], (EFile) ents[2]);
}
private ShadowCopyTransactionalDatabase<Character, Character, Long> createCharacterDatabaseUsingFile(Directory dir, EFile f, EFile indf)
{
LogAdapterHolder lah = new LogAdapterHolder(new StdOutLogAdapter());
BPlusTreeIndexBackendFileBackedNodeRepositoryBuilder<Character> nrb = new BPlusTreeIndexBackendFileBackedNodeRepositoryBuilder<Character>();
nrb.setKeySerializer(CharacterNullSerializer.INSTANCE);
nrb.setLogAdapterHolder(lah);
ShadowCopyTransactionalDatabase<Character, Character, Long> res = new ShadowCopyTransactionalDatabase<Character, Character, Long>(new BPlusTreeIndexFileManager(new HeapBackendFileManager(f, dir), indf, dir), new BPlusTreeIndexBackendFactory<Character, Character, Character, Long>(new ConstantRecordSizeHeapBackendFactory<Character, Character>(CharacterSerializer.INSTANCE, CharacterSerializer.INSTANCE, 0, 8192, lah), new LruCacheNodeRepositoryBuilder<Character, Character>().setProxiedBuilder(nrb), CharacterToCharacterHasher.INSTANCE, lah), false, lah);
m_dbFiles.put(res, new Entity[] { dir, f, indf });
return res;
}
@Override
protected TransactionalDatabase<Character, Character> createCharacterDatabaseWoTxnInDirectory(Directory dir)
{
EFile f = Directories.newFile(dir, "db");
EFile indf = Directories.newFile(dir, "index");
return createCharacterDatabaseUsingFile(dir, f, indf);
}
@Test
public void testCursor()
{
Database<Integer, Long> db = createDatabase();
try
{
CRSSortedBackendDBTester.testCursor(db);
}
finally
{
tearDownDatabase(db);
}
}
@Test
public void testCursorIterator()
{
Database<Integer, Long> db = createDatabase();
try
{
CRSSortedBackendDBTester.testCursorIterator(db);
}
finally
{
tearDownDatabase(db);
}
}
@Test
public void testCursorBackwardsIterator()
{
Database<Integer, Long> db = createDatabase();
try
{
CRSSortedBackendDBTester.testCursorBackwardsIterator(db);
}
finally
{
tearDownDatabase(db);
}
}
}