/*
 * 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.muninn;

/**
 * A base class for page cache background tasks.
 */
abstract class BackgroundTask implements Runnable {
    private final MuninnPageCache pageCache;

    BackgroundTask(MuninnPageCache pageCache) {
        this.pageCache = pageCache;
    }

    @Override
    public void run() {
        int pageCacheId = pageCache.getPageCacheId();
        String taskName = getClass().getSimpleName();
        String threadName = "MuninnPageCache[" + pageCacheId + "]-" + taskName;
        Thread thread = Thread.currentThread();
        String previousName = thread.getName();
        try {
            thread.setName(threadName);
            run(pageCache);
        } finally {
            thread.setName(previousName);
        }
    }

    protected abstract void run(MuninnPageCache pageCache);
}
