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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 cn.hippo4j.springboot.starter.event;

import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationListener;

import javax.annotation.Resource;

/**
 * Application content post processor.
 *
 * @author chen.ma
 * @date 2021/12/25 20:21
 */
public class ApplicationContentPostProcessor implements ApplicationListener {

    @Resource
    private ApplicationContext applicationContext;

    private boolean executeOnlyOnce = true;

    @Override
    public void onApplicationEvent(ApplicationReadyEvent event) {
        synchronized (ApplicationContentPostProcessor.class) {
            if (executeOnlyOnce) {
                applicationContext.publishEvent(new ApplicationCompleteEvent(this));
                executeOnlyOnce = false;
            }
        }
    }
}