/* Copyright (c) 2001-2009, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.persist;
import java.io.IOException;
import org.hsqldb.HsqlException;
import org.hsqldb.Row;
import org.hsqldb.RowAVLDiskData;
import org.hsqldb.RowAction;
import org.hsqldb.Session;
import org.hsqldb.Table;
import org.hsqldb.lib.ArrayUtil;
import org.hsqldb.rowio.RowInputInterface;
import org.hsqldb.ErrorCode;
import org.hsqldb.Error;
/*
* Implementation of PersistentStore for TEXT tables.
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 1.9.0
* @since 1.9.0
*/
public class RowStoreAVLDiskData extends RowStoreAVLDisk {
public RowStoreAVLDiskData(PersistentStoreCollection manager,
Table table) {
super(manager, null, table);
}
public boolean isMemory() {
return false;
}
public void add(CachedObject object) {
int size = object.getRealSize(cache.rowOut);
object.setStorageSize(size);
cache.add(object);
}
public CachedObject get(RowInputInterface in) {
try {
return new RowAVLDiskData(table, in);
} catch (IOException e) {
throw Error.error(ErrorCode.TEXT_FILE_IO, e);
}
}
public CachedObject getNewCachedObject(Session session, Object object) {
Row row = new RowAVLDiskData(table, (Object[]) object);
add(row);
RowAction.addAction(session, RowAction.ACTION_INSERT, table, row);
return row;
}
public void removeAll() {
// does not yet clear the storage
}
public void remove(int i) {
if (cache != null) {
cache.remove(i, this);
}
}
public void removePersistence(int i) {
if (cache != null) {
cache.removePersistence(i);
}
}
public void release(int i) {
if (cache != null) {
cache.release(i);
}
}
public void commitPersistence(CachedObject row) {
try {
if (cache != null) {
cache.saveRow(row);
}
} catch (HsqlException e1) {}
}
public void release() {
ArrayUtil.fillArray(accessorList, null);
table.database.logger.closeTextCache((Table) table);
cache = null;
}
}