org.apache.dubbo.container.Main Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo Show documentation
Show all versions of dubbo Show documentation
The all in one project of dubbo
/*
* 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 org.apache.dubbo.container;
import org.apache.dubbo.common.extension.ExtensionLoader;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.common.utils.ArrayUtils;
import org.apache.dubbo.common.utils.ConfigUtils;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;
import static org.apache.dubbo.common.constants.CommonConstants.COMMA_SPLIT_PATTERN;
/**
* Main. (API, Static, ThreadSafe)
*
* This class is entry point loading containers.
*/
public class Main {
public static final String CONTAINER_KEY = "dubbo.container";
public static final String SHUTDOWN_HOOK_KEY = "dubbo.shutdown.hook";
private static final Logger logger = LoggerFactory.getLogger(Main.class);
private static final ExtensionLoader LOADER = ExtensionLoader.getExtensionLoader(Container.class);
private static final ReentrantLock LOCK = new ReentrantLock();
private static final Condition STOP = LOCK.newCondition();
public static void main(String[] args) {
try {
if (ArrayUtils.isEmpty(args)) {
String config = ConfigUtils.getProperty(CONTAINER_KEY, LOADER.getDefaultExtensionName());
args = COMMA_SPLIT_PATTERN.split(config);
}
final List containers = new ArrayList();
for (int i = 0; i < args.length; i++) {
containers.add(LOADER.getExtension(args[i]));
}
logger.info("Use container type(" + Arrays.toString(args) + ") to run dubbo service.");
if ("true".equals(System.getProperty(SHUTDOWN_HOOK_KEY))) {
Runtime.getRuntime().addShutdownHook(new Thread("dubbo-container-shutdown-hook") {
@Override
public void run() {
for (Container container : containers) {
try {
container.stop();
logger.info("Dubbo " + container.getClass().getSimpleName() + " stopped!");
} catch (Throwable t) {
logger.error(t.getMessage(), t);
}
try {
LOCK.lock();
STOP.signal();
} finally {
LOCK.unlock();
}
}
}
});
}
for (Container container : containers) {
container.start();
logger.info("Dubbo " + container.getClass().getSimpleName() + " started!");
}
System.out.println(new SimpleDateFormat("[yyyy-MM-dd HH:mm:ss]").format(new Date()) + " Dubbo service server started!");
} catch (RuntimeException e) {
logger.error(e.getMessage(), e);
System.exit(1);
}
try {
LOCK.lock();
STOP.await();
} catch (InterruptedException e) {
logger.warn("Dubbo service server stopped, interrupted by other thread!", e);
} finally {
LOCK.unlock();
}
}
}