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TemporaryStoreDirectory.java
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TemporaryStoreDirectory.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j Enterprise Edition. The included source
* code can be redistributed and/or modified under the terms of the
* GNU AFFERO GENERAL PUBLIC LICENSE Version 3
* (http://www.fsf.org/licensing/licenses/agpl-3.0.html) with the
* Commons Clause, as found in the associated LICENSE.txt file.
*
* 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 Affero General Public License for more details.
*
* Neo4j object code can be licensed independently from the source
* under separate terms from the AGPL. Inquiries can be directed to:
* licensing@neo4j.com
*
* More information is also available at:
* https://neo4j.com/licensing/
*/
package org.neo4j.causalclustering.catchup.storecopy;
import java.io.File;
import java.io.IOException;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.kernel.impl.transaction.log.files.LogFiles;
import org.neo4j.kernel.impl.transaction.log.files.LogFilesBuilder;
import org.neo4j.kernel.impl.transaction.state.DataSourceManager;
public class TemporaryStoreDirectory implements AutoCloseable
{
private static final String TEMP_COPY_DIRECTORY_NAME = "temp-copy";
private final File tempStoreDir;
private final File tempDatabaseDirectory;
private final StoreFiles storeFiles;
private LogFiles tempLogFiles;
public TemporaryStoreDirectory( FileSystemAbstraction fs, PageCache pageCache, File parent ) throws IOException
{
this.tempStoreDir = new File( parent, TEMP_COPY_DIRECTORY_NAME );
this.tempDatabaseDirectory = new File( tempStoreDir, DataSourceManager.DEFAULT_DATABASE_NAME );
storeFiles = new StoreFiles( fs, pageCache, ( directory, name ) -> true );
tempLogFiles = LogFilesBuilder.logFilesBasedOnlyBuilder( tempDatabaseDirectory, fs ).build();
storeFiles.delete( tempStoreDir, tempLogFiles );
}
public File storeDir()
{
return tempStoreDir;
}
public File databaseDirectory()
{
return tempDatabaseDirectory;
}
@Override
public void close() throws IOException
{
storeFiles.delete( tempStoreDir, tempLogFiles );
}
}