/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-04 The eXist Project
* http://exist-db.org
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.storage.index;
import java.nio.ByteBuffer;
import org.exist.storage.DBBroker;
import org.exist.storage.NativeBroker;
import org.exist.storage.journal.AbstractLoggable;
import org.exist.storage.txn.Txn;
/**
* @author wolf
*
*/
public abstract class AbstractBFileLoggable extends AbstractLoggable {
protected NativeBroker broker;
protected byte fileId;
/**
*
*
* @param fileId
* @param transaction
* @param type
*/
public AbstractBFileLoggable(byte type, byte fileId, Txn transaction) {
super(type, transaction.getId());
this.fileId = fileId;
}
public AbstractBFileLoggable(DBBroker broker, long transactionId) {
super(BFile.LOG_CREATE_PAGE, transactionId);
this.broker = (NativeBroker) broker;
}
/* (non-Javadoc)
* @see org.exist.storage.log.Loggable#write(java.nio.ByteBuffer)
*/
public void write(ByteBuffer out) {
out.put(fileId);
}
/* (non-Javadoc)
* @see org.exist.storage.log.Loggable#read(java.nio.ByteBuffer)
*/
public void read(ByteBuffer in) {
fileId = in.get();
}
/* (non-Javadoc)
* @see org.exist.storage.log.Loggable#getLogSize()
*/
public int getLogSize() {
return 1;
}
protected BFile getIndexFile() {
return (BFile) broker.getStorage(fileId);
}
public String dump() {
return super.dump() + " [BFile]";
}
}