/*
* RenameBinaryLoggable.java
*
* Created on December 9, 2007, 1:57 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package org.exist.storage;
import java.io.File;
import java.nio.ByteBuffer;
import org.apache.log4j.Logger;
import org.exist.storage.journal.AbstractLoggable;
import org.exist.storage.journal.LogException;
import org.exist.storage.txn.Txn;
/**
*
* @author alex
*/
public class CreateBinaryLoggable extends AbstractLoggable {
protected final static Logger LOG = Logger.getLogger(RenameBinaryLoggable.class);
DBBroker broker;
File original;
/**
* Creates a new instance of RenameBinaryLoggable
*/
public CreateBinaryLoggable(DBBroker broker,Txn txn,File original)
{
super(NativeBroker.LOG_CREATE_BINARY,txn.getId());
this.broker = broker;
this.original = original;
}
public CreateBinaryLoggable(DBBroker broker,long transactionId) {
super(NativeBroker.LOG_CREATE_BINARY,transactionId);
this.broker = broker;
}
/* (non-Javadoc)
* @see org.exist.storage.log.Loggable#write(java.nio.ByteBuffer)
*/
public void write(ByteBuffer out) {
final String originalPath = original.getAbsolutePath();
final byte [] data = originalPath.getBytes();
out.putInt(data.length);
out.put(data);
}
/* (non-Javadoc)
* @see org.exist.storage.log.Loggable#read(java.nio.ByteBuffer)
*/
public void read(ByteBuffer in) {
final int size = in.getInt();
final byte [] data = new byte[size];
in.get(data);
original = new File(new String(data));
}
/* (non-Javadoc)
* @see org.exist.storage.log.Loggable#getLogSize()
*/
public int getLogSize() {
return 4 + original.getAbsolutePath().getBytes().length;
}
public void redo() throws LogException {
// TODO: do we need to redo? The file was stored...
}
public void undo() throws LogException {
if (!original.delete()) {
throw new LogException("Cannot delete binary resource "+original);
}
}
public String dump() {
return super.dump() + " - create binary "+original;
}
}