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1
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+package com.yoho.activity.thread;
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2
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+
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3
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+import java.io.File;
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4
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+import java.io.IOException;
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5
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+import java.util.ArrayList;
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6
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+import java.util.HashMap;
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+import java.util.List;
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+import java.util.Map;
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9
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+import java.util.Map.Entry;
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10
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+import java.util.concurrent.Executors;
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11
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+import java.util.concurrent.TimeUnit;
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12
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+
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13
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+import javax.annotation.Resource;
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14
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+
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15
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+import org.apache.commons.io.FileUtils;
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16
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+import org.apache.commons.lang.StringUtils;
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17
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+import org.slf4j.Logger;
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18
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+import org.slf4j.LoggerFactory;
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19
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+
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20
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+import com.alibaba.fastjson.JSONObject;
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21
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+import com.netflix.config.DynamicLongProperty;
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22
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+import com.netflix.config.DynamicPropertyFactory;
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23
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+import com.netflix.config.DynamicStringProperty;
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24
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+import com.yoho.core.cache.CacheClient;
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25
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+import com.yoho.core.redis.YHValueOperations;
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26
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+
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27
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+public class DrawServiceThread {
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28
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+
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29
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+ static Logger log = LoggerFactory.getLogger(DrawServiceThread.class);
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30
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+ private static final String DRAW_USER_LIST_KEY = "DRAW_USER_LIST_KEY";
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31
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+ private static final String DRAW_USER_LIST_MEM_KEY = "DRAW_USER_LIST_MEM_KEY";
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32
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+
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33
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+ @Resource
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34
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+ CacheClient cacheClient;
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35
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+
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36
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+ @Resource
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37
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+ YHValueOperations<String, String> valueOperations;
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38
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+
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39
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+ String fileName = "/Data/logs/union/redis.txt";
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40
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+// String fileName = "D:/redis.txt";
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41
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+
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42
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+ /**
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43
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+ * 启动一个定时任务，来读取元宵节抽签活动的
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44
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+ */
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45
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+ public DrawServiceThread() {
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46
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+ //tomcat启动后，延迟一分钟，每个一个小时写一次文件
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47
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+ DynamicLongProperty delay = DynamicPropertyFactory.getInstance().getLongProperty("draw.writeFile.delay", 60);
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48
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+ Executors.newScheduledThreadPool(1).scheduleAtFixedRate(new Runnable() {
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49
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+
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50
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+ @Override
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51
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+ public void run() {
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52
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+ log.info("enter DrawServiceThread");
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53
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+ //cong redis中获取数据
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54
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+ String arr = valueOperations.get(DRAW_USER_LIST_KEY);
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55
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+ Map<String, JSONObject> maps = null;
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56
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+ if (StringUtils.isEmpty(arr)) {
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57
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+ maps = new HashMap<String, JSONObject>();
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58
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+ } else {
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59
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+ maps = (Map) JSONObject.parse(arr);
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60
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+ }
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61
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+
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62
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+ log.debug("DrawServiceThread query redis data total is {}", maps.size());
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63
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+
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64
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+ //从mem里面获取
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65
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+ Map<String, String> memMap = cacheClient.get(DRAW_USER_LIST_MEM_KEY, Map.class);
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66
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+ if (memMap == null) {
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67
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+ memMap = new HashMap<String, String>();
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68
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+ }
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69
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+ log.debug("DrawServiceThread query mem data total is {}", memMap.size());
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70
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+ List<String> l = new ArrayList<String>();
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71
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+ for (Entry<String, JSONObject> entry : maps.entrySet()) {
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72
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+ if (StringUtils.isNotEmpty(memMap.get(entry.getKey()))) {
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73
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+ //该用户已经保存过文件，则不在进行重复写
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74
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+ continue;
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75
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+ }
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76
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+ l.add(entry.getValue().toJSONString());
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77
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+ try {
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78
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+ FileUtils.writeLines(new File(fileName), "UTF-8", l, true);
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79
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+ log.debug("DrawServiceThread success write file with key={}, value={}", entry.getKey(), entry.getValue());
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80
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+ } catch (IOException e) {
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81
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+ log.error("write file error with key={}, value={}", entry.getKey(), entry.getValue(), e);
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82
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+ }
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83
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+
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84
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+ //往mem里面记录，该用户已经写过文件的标记
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85
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+ memMap.put(entry.getKey(), "1");
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86
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+ }
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87
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+ cacheClient.set(DRAW_USER_LIST_MEM_KEY, 30 * 24 * 60 * 60, memMap);
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88
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+ log.info("success out DrawServiceThread");
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89
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+ }
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90
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+ }, 1, delay.get(), TimeUnit.MINUTES);
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91
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+ }
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92
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+} |
