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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.dromara.dynamictp.example.mq;

import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.config.AbstractRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.config.DirectRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.connection.AbstractConnectionFactory;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author fabian4
 */
@Configuration
public class RabbitMqConfig {

    @Bean
    public Queue queue() {
        return new Queue("testQueue");
    }

    /**
     * 往abstractConnectionFactory里面设置线程池
     * 这里需要注意 配置文件      rabbitmqTp对应的threadPoolName 要与  RabbitMqDtpAdapter的genTpName方法生成的名字对上
     */
    @Bean
    public AbstractRabbitListenerContainerFactory rabbitListenerContainerFactory(AbstractConnectionFactory abstractConnectionFactory) {
        DirectRabbitListenerContainerFactory factory = new DirectRabbitListenerContainerFactory();
        factory.setMessageConverter(jackson2JsonMessageConverter());
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(2);
        executor.setMaxPoolSize(4);
        executor.setQueueCapacity(10);
        executor.setThreadNamePrefix("rabbitConnectionFactoryTp");
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.initialize();
        factory.setConnectionFactory(abstractConnectionFactory);
        //factory.setConsumersPerQueue(10);
        abstractConnectionFactory.setExecutor(executor.getThreadPoolExecutor());
        return factory;
    }

    @Bean
    public RabbitTemplate rabbitTemplate(CachingConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setMessageConverter(jackson2JsonMessageConverter());
        return rabbitTemplate;
    }

    @Bean
    public MessageConverter jackson2JsonMessageConverter() {
        return new Jackson2JsonMessageConverter();
    }
}