RocketMQ消息改造

admin

2020-06-30 3eb64b02a585e6d385d09cd23e70e337b3ed4319

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package com.yeshi.fanli.service.manger.msg; 
 
import javax.annotation.Resource; 
 
import org.springframework.stereotype.Component; 
 
import com.aliyun.openservices.ons.api.Message; 
import com.aliyun.openservices.ons.api.Producer; 
import com.aliyun.openservices.ons.api.transaction.LocalTransactionExecuter; 
import com.aliyun.openservices.ons.api.transaction.TransactionProducer; 
import com.aliyun.openservices.ons.api.transaction.TransactionStatus; 
 
/** 
 * RocketMQ管理器 
 * @author Administrator 
 * 
 */ 
@Component 
public class RocketMQManager { 
    @Resource(name = "producer") 
    private Producer producer; 
    @Resource 
    private TransactionProducer orderTransactionProducer; 
 
    /** 
     * 发送普通消息 
     * @Title: sendNormalMsg 
     * @Description:  
     * @param message  
     * void 返回类型 
     * @throws 
     */ 
    public void sendNormalMsg(Message message, String key) { 
        sendNormalMsg(message, null, key); 
    } 
 
    /** 
     * 发送普通定时消息 
     * @Title: sendNormalMsg 
     * @Description:  
     * @param message 
     * @param delayTimeMS 延时ms 
     * void 返回类型 
     * @throws 
     */ 
    public void sendNormalMsg(Message message, Long delayTimeMS, String key) { 
        if (message == null) 
            return; 
        if (key != null) 
            message.setKey(key); 
        if (delayTimeMS != null) 
            message.setStartDeliverTime(System.currentTimeMillis() + delayTimeMS);// 10s后发送活跃消息 
        producer.send(message); 
    } 
 
    /** 
     * 发送事务消息 
     * @Title: sendTransactionalMsg 
     * @Description:  
     * @param message 
     * @param delayTimeMS  延时ms 
     * @param key 
     * @param mqEvent 
     * @throws Exception  
     * void 返回类型 
     * @throws 
     */ 
    public void sendTransactionalMsg(Message message, Long delayTimeMS, String key,ITransactionalMQEvent mqEvent) throws Exception{ 
        if (key != null) 
            message.setKey(key); 
        if (delayTimeMS != null) 
            message.setStartDeliverTime(System.currentTimeMillis() + delayTimeMS); 
 
        orderTransactionProducer.send(message, new LocalTransactionExecuter() { 
            @Override 
            public TransactionStatus execute(Message arg0, Object arg1) { 
                if(mqEvent!=null) 
                    mqEvent.excute(); 
                return TransactionStatus.CommitTransaction; 
            } 
        }, null); 
    } 
     
    /** 
     * 发送事务消息 
     * @Title: sendTransactionalMsg 
     * @Description:  
     * @param message 
     * @param key 
     * @param mqEvent 
     * @throws Exception  
     * void 返回类型 
     * @throws 
     */ 
    public void sendTransactionalMsg(Message message, String key,ITransactionalMQEvent mqEvent) throws Exception{ 
        sendTransactionalMsg(message,null,key,mqEvent); 
    } 
     
     
    interface ITransactionalMQEvent{ 
        public void excute(); 
    } 
}