/**
* Copyright (c) 2002-2013 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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 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.neo4j.kernel.impl.storemigration;
import java.io.File;
import java.io.IOException;
public class DatabaseFiles
{
public void moveToBackupDirectory( File workingDirectory, File backupDirectory )
{
if (backupDirectory.exists())
{
throw new StoreUpgrader.UnableToUpgradeException( String.format( "Cannot proceed with upgrade " +
"because there is an existing upgrade backup in the way at %s. If you do not need this " +
"backup please delete it or move it out of the way before re-attempting upgrade.",
backupDirectory.getAbsolutePath() ) );
}
backupDirectory.mkdir();
move( workingDirectory, backupDirectory );
}
public void moveToWorkingDirectory( File upgradeDirectory, File workingDirectory )
{
move( upgradeDirectory, workingDirectory );
}
private void move( File fromDirectory, File toDirectory )
{
try
{
StoreFiles.move( fromDirectory, toDirectory );
LogFiles.move( fromDirectory, toDirectory );
}
catch ( IOException e )
{
throw new StoreUpgrader.UnableToUpgradeException( e );
}
}
}