package com.xwbing.rabbit;

import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;

/**
 * 项目名称: boot-module-demo
 * 创建时间: 2018/4/27 13:42
 * 作者: xiangwb
 * 说明: 配置类
 */
@Configuration
public class RabbitConfig {
    @Value("${spring.rabbitmq.host}")
    private String host;
    @Value("${spring.rabbitmq.port}")
    private String port;
    @Value("${spring.rabbitmq.username}")
    private String username;
    @Value("${spring.rabbitmq.password}")
    private String password;
    @Value("${spring.rabbitmq.virtual-host}")
    private String virtualHost;
    @Value("${spring.rabbitmq.connection-timeout}")
    private int timeout;
    @Value("${spring.rabbitmq.publisher-confirms}")
    private boolean publisherConfirms;
    @Value("${spring.rabbitmq.publisher-returns}")
    private boolean publisherReturns;

    @Bean
    public ConnectionFactory connectionFactory() {
        CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
        connectionFactory.setAddresses(host + ":" + port);
        connectionFactory.setUsername(username);
        connectionFactory.setPassword(password);
        connectionFactory.setVirtualHost(virtualHost);
        connectionFactory.setConnectionTimeout(timeout);
        //如果要进行消息回调,则这里必须要设置为true
        connectionFactory.setPublisherConfirms(publisherConfirms);
        connectionFactory.setPublisherReturns(publisherReturns);
        return connectionFactory;
    }

    /**
     * 因为要设置回调类，所以应是prototype类型，如果是singleton类型，则回调类为最后一次设置
     */
    @Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE)
    @Bean
    public RabbitTemplate rabbitTemplate() {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory());
        rabbitTemplate.setMandatory(true);
        return rabbitTemplate;
    }
}