记一次LinkedBlockingQueue的使用并且发送socket

package cn.xs.qishi.socket.standalone.queue;

import cn.xs.qishi.cache.dto.topic.StatSendMsg;
import cn.xs.qishi.socket.standalone.session.StatSocketSessionManager;
import lombok.CustomLog;

import javax.websocket.EncodeException;
import javax.websocket.RemoteEndpoint;
import javax.websocket.Session;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.LinkedBlockingQueue;

/**
 * 统计阻塞对了
 *
 * @author liuxn
 * @date 2022/6/23
 */
@CustomLog
public class StatTopicHandler {


    private static StatTopicHandler handler = null;
    private static LinkedBlockingQueue<StatSendMsg> queue = new LinkedBlockingQueue();
    private StatSocketSessionManager sessionManager;


    public static StatTopicHandler getInstance() {
        if (handler == null) {
            handler = new StatTopicHandler();
        }
        return handler;
    }

    public void setSessionManager(StatSocketSessionManager sessionManager) {
        this.sessionManager = sessionManager;
    }

    public StatTopicHandler() {
        Thread thread = new Thread(new StatQueueThread());
        thread.setName("stat_redis_topic_consumer");
        thread.start();
        log.info(">> 业务统计阻塞队列监听启动完毕 ！！！");
    }

    public void put(StatSendMsg msg) {
        try {
            queue.put(msg);
        } catch (InterruptedException e) {
            log.error(">> 统计消息放入阻塞队列异常", e);
        }
    }


    class StatQueueThread implements Runnable {

        private boolean isRun = true;

        @Override
        public void run() {
            while (isRun) {
                try {
                    StatSendMsg msg = queue.take();
                    long userId = msg.getUserId();
                    String msgId = msg.getMsgId();
                    List<Session> list = sessionManager.user(userId);
                    int sent = 0;
                    log.info(">> 阻塞队列中 redis topic 消息:" + msgId);
                    for (Session session : list) {
                        try {
                            RemoteEndpoint.Basic basicRemote = session.getBasicRemote();
                            basicRemote.sendObject(msg);
                            String sessionId = session.getId();
                            log.info(">> Sent stat msg to client.sessionId:{},msgId:{},userId:{}", sessionId, msgId, userId);
                            sent++;
                        } catch (IOException | EncodeException e) {
                            log.error("发送消息异常", e);
                            if (!session.isOpen()) {
                                sessionManager.remove(session, userId);
                            }
                        }
                    }
                    if (sent == 0) {
                        log.info(">> Sent stat msg to client fail. no client userid:[{}]", userId);
                    }
                } catch (InterruptedException e) {
                    log.error(">>阻塞队列 监听异常", e);
                }
            }
        }

        public void stop() {
            isRun = false;
        }
    }


}