com.ohmdb.impl.ShutdownThread Maven / Gradle / Ivy

package com.ohmdb.impl;

/*
 * #%L
 * ohmdb-core
 * %%
 * Copyright (C) 2013 - 2014 Nikolche Mihajlovski
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.lang.ref.WeakReference;

import com.ohmdb.api.Db;

public class ShutdownThread extends Thread {

	private final WeakReference dbRef;

	public ShutdownThread(WeakReference dbRef) {
		this.dbRef = dbRef;
	}

	@Override
	public void run() {
		Db db = dbRef.get();

		if (db != null) {
			db.shutdown();
		}
	}

}