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/*
* 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.config.spring.context;
import org.apache.dubbo.config.DubboShutdownHook;
import org.apache.dubbo.config.bootstrap.DubboBootstrap;
import com.alibaba.spring.context.OnceApplicationContextEventListener;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ApplicationContextEvent;
import org.springframework.context.event.ContextClosedEvent;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.core.Ordered;
/**
* The {@link ApplicationListener} for {@link DubboBootstrap}'s lifecycle when the {@link ContextRefreshedEvent}
* and {@link ContextClosedEvent} raised
*
* @since 2.7.5
*/
public class DubboBootstrapApplicationListener extends OnceApplicationContextEventListener implements Ordered {
/**
* The bean name of {@link DubboBootstrapApplicationListener}
*
* @since 2.7.6
*/
public static final String BEAN_NAME = "dubboBootstrapApplicationListener";
private final DubboBootstrap dubboBootstrap;
public DubboBootstrapApplicationListener() {
this.dubboBootstrap = DubboBootstrap.getInstance();
}
public DubboBootstrapApplicationListener(ApplicationContext applicationContext) {
super(applicationContext);
this.dubboBootstrap = DubboBootstrap.getInstance();
DubboBootstrapStartStopListenerSpringAdapter.applicationContext = applicationContext;
}
@Override
public void onApplicationContextEvent(ApplicationContextEvent event) {
if (DubboBootstrapStartStopListenerSpringAdapter.applicationContext == null) {
DubboBootstrapStartStopListenerSpringAdapter.applicationContext = event.getApplicationContext();
}
if (event instanceof ContextRefreshedEvent) {
onContextRefreshedEvent((ContextRefreshedEvent) event);
} else if (event instanceof ContextClosedEvent) {
onContextClosedEvent((ContextClosedEvent) event);
}
}
private void onContextRefreshedEvent(ContextRefreshedEvent event) {
dubboBootstrap.start();
}
private void onContextClosedEvent(ContextClosedEvent event) {
DubboShutdownHook.getDubboShutdownHook().run();
}
@Override
public int getOrder() {
return LOWEST_PRECEDENCE;
}
}