admin
2019-04-26 8e30aa7c1f0384f09278699318b4902b815b42a7
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package com.yeshi.fanli.util.cmq;
 
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
import org.yeshi.utils.CMQUtil;
 
import com.google.gson.Gson;
import com.qcloud.cmq.Message;
import com.yeshi.fanli.dto.money.UserMoneyChangeDTO;
import com.yeshi.fanli.log.LogHelper;
 
public class UserMoneyChangeCMQManager {
 
    private static String secretId = "AKIDTlpgJhLjOozvd6QI2XnpfGbgV4NQJk25";
    private static String secretKey = "xhCSUHo55oHUQ6XicFcmfIgspX0EEzWo";
    private static UserMoneyChangeCMQManager userMoneyChangeCMQManager;
    private static CMQUtil cmqUtil;
 
    private final static String TOPIC_NAME = "topic_user_money";
 
    public static String QUEUE_DEBT = TOPIC_NAME + "_" + "debt";
 
    public static String SUBSCRIBE_DEBT = "debt";
 
    static {
        cmqUtil = CMQUtil.getInstance(secretId, secretKey);
        // 创建主题,添加订阅
        cmqUtil.createTopic(TOPIC_NAME);
        // 用户券订阅
        String[] subscripts = new String[] { SUBSCRIBE_DEBT };
        String[] queues = new String[] { QUEUE_DEBT };
 
        for (int i = 0; i < subscripts.length; i++) {
            String queueName = queues[i];
            cmqUtil.createQueue(queueName);
            cmqUtil.subscribeTopic(TOPIC_NAME, subscripts[i], queueName);
        }
    }
 
    public static UserMoneyChangeCMQManager getInstance() {
        if (userMoneyChangeCMQManager == null)
            userMoneyChangeCMQManager = new UserMoneyChangeCMQManager();
        return userMoneyChangeCMQManager;
    }
 
    /**
     * 发布
     * 
     * @param history
     */
    public void addUserMoneyChangeMsg(UserMoneyChangeDTO dto) {
        if (dto == null)
            return;
        cmqUtil.publishTopicMessage(TOPIC_NAME, new Gson().toJson(dto));
        LogHelper.test("邀请消息投递成功");
    }
 
    /**
     * 消费队列消息
     * 
     * @param queueName
     * @param count
     * @return
     */
    public Map<String, UserMoneyChangeDTO> consumeQueueMsg(String queueName, int count) {
        List<Message> list = cmqUtil.recieveMsg(count, queueName);
        Map<String, UserMoneyChangeDTO> map = new HashMap<>();
 
        if (list != null)
            for (Message msg : list) {
                String result = msg.msgBody;
                UserMoneyChangeDTO dto = new Gson().fromJson(result, UserMoneyChangeDTO.class);
                map.put(msg.receiptHandle, dto);
            }
        return map;
    }
 
    public void deleteQueueMsg(String queueName, String receiptHandle) {
        cmqUtil.deleteMsg(queueName, receiptHandle);
    }
 
}