缓存击穿之布隆过滤器

@RestController
public class BoomFilerInitService implements ApplicationRunner {

    private final static Logger logger = LoggerFactory.getLogger(BoomFilerInitService.class);

    @Autowired
    private YlbTradeFeignService ylbTradeFeignService;

    static BloomFilter<String> dealIdBloomFilter;

    public static BloomFilter<String> getDealIdBloomFilter() {
        return dealIdBloomFilter;
    }

    public static BloomFilter<String> getInstance() {
        if (dealIdBloomFilter == null) {
            dealIdBloomFilter = BoomFilerInitService.getDealIdBloomFilter();
        }
        return dealIdBloomFilter;
    }

    public static void setDealIdBloomFilter(BloomFilter<String> dealIdBloomFilter) {
        BoomFilerInitService.dealIdBloomFilter = dealIdBloomFilter;
    }

    ResponseMsg<List<YmAliUserApiEntity>> msg;

    List<YmAliUserApiEntity> entityList;

    String retCode = "";

    @Async
    @Override
    public void run(ApplicationArguments applicationArguments) throws Exception {
        int count=0;
        while (!"0".equals(retCode)) {
            msg = ylbTradeFeignService.findAll();//查询所有数据
            retCode = msg.getRetCode();
            entityList = msg.getData();
            logger.debug("正在初始化布隆过滤器........");
            Thread.sleep(6000);
            count++;
            if (count>10){
                break;
            }
        }
        dealIdBloomFilter = BloomFilter.create(new Funnel<String>() {
            private static final long serialVersionUID = 1L;

            @Override
            public void funnel(String arg0, PrimitiveSink arg1) {
                arg1.putString(arg0, Charsets.UTF_8);
            }
        }, entityList.size() + 10000 * 2, 0.00001d);

        if (entityList != null) {
            for (YmAliUserApiEntity entity : entityList) {
                dealIdBloomFilter.put(entity.getImeicode());//把某个字段put到过滤器
            }
            logger.debug("布隆过滤器初始化完成!");
        }
    }
}