/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.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.io.pagecache.impl;

import java.io.IOException;
import java.nio.channels.OverlappingFileLockException;
import java.nio.file.Path;

/**
 * Thrown when a file cannot be locked in the process of opening a {@link SingleFilePageSwapper} for it.
 */
public class FileLockException extends IOException {
    public FileLockException(Path file, OverlappingFileLockException throwable) {
        super("Already locked: " + file, throwable);
    }

    public FileLockException(Path file) {
        super(
                "This file is locked by another process, please ensure you don't have another Neo4j process or tool using it: '"
                        + file + "'.'");
    }
}
