com.orientechnologies.orient.server.OServerShutdownHook Maven / Gradle / Ivy
/*
*
* * Copyright 2010-2016 OrientDB LTD (http://orientdb.com)
* *
* * 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.
* *
* * For more information: http://orientdb.com
*
*/
package com.orientechnologies.orient.server;
import com.orientechnologies.orient.core.Orient;
public class OServerShutdownHook extends Thread {
private final OServer server;
protected OServerShutdownHook(final OServer server) {
this.server = server;
Orient.instance().removeShutdownHook();
Runtime.getRuntime().addShutdownHook(this);
}
/** Catch the JVM exit and assure to shutdown the Orient Server. */
@Override
public void run() {
if (server != null)
if (!server.shutdown()) {
// ALREADY IN SHUTDOWN, WAIT FOR IT
server.waitForShutdown();
}
}
public void cancel() {
try {
Runtime.getRuntime().removeShutdownHook(this);
} catch (IllegalStateException e) {
}
}
}