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add AbstractServer.java

pull/3/MERGE
lidongdai 5 years ago
parent
commit
4d0eb509ef
  1. 85
      escheduler-server/src/main/java/cn/escheduler/server/master/AbstractServer.java

85
escheduler-server/src/main/java/cn/escheduler/server/master/AbstractServer.java

@ -0,0 +1,85 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package cn.escheduler.server.master;
import cn.escheduler.common.IStoppable;
import org.apache.commons.configuration.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.context.annotation.ComponentScan;
/**
* master server
*/
@ComponentScan("cn.escheduler")
public abstract class AbstractServer implements CommandLineRunner, IStoppable {
private static final Logger logger = LoggerFactory.getLogger(AbstractServer.class);
/**
* conf
*/
protected static Configuration conf;
/**
* object lock
*/
protected final Object lock = new Object();
/**
* whether or not to close the state
*/
protected boolean terminated = false;
/**
* heartbeat interval, unit second
*/
protected int heartBeatInterval;
/**
* blocking implement
* @throws InterruptedException
*/
public void awaitTermination() throws InterruptedException {
synchronized (lock) {
while (!terminated) {
lock.wait();
}
}
}
/**
* Callback used to run the bean.
* @param args incoming main method arguments
* @throws Exception on error
*/
@Override
public abstract void run(String... args) throws Exception;
/**
* gracefully stop
* @param cause why stopping
*/
@Override
public abstract void stop(String cause);
}
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