{"id":345,"date":"2013-04-16T21:04:17","date_gmt":"2013-04-16T13:04:17","guid":{"rendered":"http:\/\/www.royalwzy.com\/?p=345"},"modified":"2014-04-11T14:14:56","modified_gmt":"2014-04-11T06:14:56","slug":"redis%e5%ad%a6%e4%b9%a010-java-drivers","status":"publish","type":"post","link":"http:\/\/www.royalwzy.com\/?p=345","title":{"rendered":"Redis\u5b66\u4e6010–Java Drivers"},"content":{"rendered":"
\n
Java\u9a71\u52a8\u5b9e\u8df5<\/div>\n
\n
    \n
  1. Redis\u7684\u5ba2\u6237\u7aef\u6709\u4e3b\u8981\u6709\u4e09\u79cd:JDBC-Redis, JRedis\u548cJedis,\u63a8\u8350Jedis\u7684\u65b9\u5f0f;<\/li>\n
  2. Jedis API Online Help:http:\/\/www.jarvana.com\/jarvana\/view\/redis\/clients\/jedis\/2.0.0\/jedis-2.0.0-javadoc.jar!\/index.html<\/a>;<\/li>\n
  3. Jredis\u4f7f\u7528\u603b\u7ed3:\n
      \n
    1. pipeline:starts a pipeline,which is a very efficient way to send lots of command and read all the responses when you finish sending them;\u5373pipeline\u9002\u7528\u4e8e\u6279\u5904\u7406,\u5f53\u6709\u5927\u91cf\u7684\u64cd\u4f5c\u9700\u8981\u4e00\u6b21\u6027\u6267\u884c\u7684\u65f6\u5019,\u53ef\u4ee5\u7528\u7ba1\u9053;<\/li>\n
    2. \u5206\u5e03\u5f0f\u7684id\u751f\u6210\u5668:\u56e0\u4e3aredis-server\u662f\u5355\u7ebf\u7a0b\u5904\u7406client\u7aef\u7684\u8bf7\u6c42\u7684,\u6240\u4ee5\u53ef\u4ee5\u4f7f\u7528jedis.incr(“id_key”)\u6765\u751f\u6210\u5e8f\u5217;<\/li>\n
    3. \u5206\u5e03\u5f0f\u9501watch\/multi:\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u8de8jvm\u7684\u540c\u6b65\u95ee\u9898;\n
        \n
      1. \u65b9\u6cd51:Jedis.setnx(key, value),\u63a8\u8350\u7684\u65b9\u6cd5;<\/li>\n
      2. \u65b9\u6cd52:\u4e8b\u52a1multi;<\/li>\n
      3. \u65b9\u6cd53:\u4e8b\u52a1+\u76d1\u542c;<\/li>\n<\/ol>\n<\/li>\n
      4. redis\u5206\u5e03\u5f0f:jedis\u91cc\u9762\u901a\u8fc7MD5,MURMUR Hash(\u9ed8\u8ba4)\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0\u4e86\u5206\u5e03\u5f0f,\u4e5f\u53ef\u4ee5\u81ea\u5df1\u5b9e\u73b0redis.clients.util.Hashing\u63a5\u53e3;<\/li>\n<\/ol>\n<\/li>\n
      5. Jedis\u4e2dPool\u7684\u95ee\u9898:It seems like server has closed the connection;\n
          \n
        1. \u539f\u56e0:redis-server\u5173\u95ed\u4e86\u6b64\u5ba2\u6237\u7aef\u7684\u8fde\u63a5,server\u7aef\u8bbe\u7f6e\u4e86maxidletime(\u9ed8\u8ba4\u662f5\u5206\u949f),\u670d\u52a1\u7aef\u4f1a\u4e0d\u65ad\u5faa\u73af\u68c0\u6d4bclinet\u7684\u6700\u540e\u4e00\u6b21\u901a\u4fe1\u65f6\u95f4(lastinteraction),\u5982\u679c\u5927\u4e8emaxidletime,\u5219\u5173\u95ed\u8fde\u63a5,\u5e76\u56de\u6536\u76f8\u5173\u8d44\u6e90,client\u5728\u5411\u8be5\u8fde\u63a5\u4e2d\u5199\u6570\u636e\u540e\u5c31\u4f1a\u7531\u4e8eserver\u7aef\u5df2\u7ecf\u5173\u95ed\u800c\u51fa\u73b0broken pipe\u7684\u95ee\u9898;<\/li>\n
        2. \u9519\u8bef\u7684\u914d\u7f6e:\u5728spring\u521d\u59cb\u5316\u65f6\u83b7\u53d6\u4e00\u6b21\u5b9e\u4f8b\u5316jedisCommands,\u800c\u540e\u6bcf\u6b21\u7684redis\u7684\u8c03\u7528\u65f6\u5e76\u672a\u4ecepool\u4e2d\u83b7\u53d6;<\/li>\n
        3. \u89e3\u51b3\u529e\u6cd5;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/div>\n
          <\/div>\n

          ———————– Pipeline\u00a0———————–<\/p>\n

          import<\/b><\/span>\u00a0redis.clients.jedis.Jedis;<\/span><\/div>\n
          import<\/b><\/span>\u00a0redis.clients.jedis.Pipeline;<\/span><\/div>\n
          \u00a0<\/span><\/div>\n
          public<\/b><\/span>\u00a0class<\/b><\/span>\u00a0Redis<\/span><\/div>\n
          {<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0void<\/b><\/span>\u00a0main(String[] args)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u8fde\u63a5Redis<\/span>\u00a0\u670d\u52a1\u5668;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Jedis jedis =<\/span>\u00a0new<\/b><\/span>\u00a0Jedis(<\/span>\u00a0“192.168.10.112”<\/span>, 6379);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u751f\u6210Pipeline;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Pipeline pipeline = jedis.pipelined();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u7ba1\u9053\u64cd\u4f5c,\u4f1a\u628a\u6240\u6709\u7684\u64cd\u4f5c\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7aef,\u7136\u540e\u4e00\u6b21\u6027\u6267\u884c;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ ……<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0pipeline.incr(<\/span>\u00a0“key”<\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u83b7\u5f97\u6240\u6709\u7684\u7ed3\u679c;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0pipeline.sync();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          }<\/span><\/div>\n
          ———————– Pipeline\u00a0———————–<\/div>\n
          <\/div>\n
          ———————– Jedis.setnx(key, value)\u00a0———————–<\/div>\n
          import<\/b><\/span>\u00a0java.util.Random;<\/span><\/div>\n
          import<\/b><\/span>\u00a0org.apache<\/span>.commons.pool.impl.GenericObjectPool.Config;<\/span><\/div>\n
          import<\/b><\/span>\u00a0redis.clients.jedis.Jedis;<\/span><\/div>\n
          import<\/b><\/span>\u00a0redis.clients.jedis.JedisPool;<\/span><\/div>\n
          \u00a0<\/span><\/div>\n
          public<\/b><\/span>\u00a0class<\/b><\/span>\u00a0RedisLock<\/span><\/div>\n
          {<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\/\/ \u52a0\u9501\u6807\u5fd7<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0final<\/b><\/span>\u00a0String\u00a0\u00a0\u00a0<\/span>\u00a0LOCKED<\/i><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0=<\/span>\u00a0“TRUE”<\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0final<\/b><\/span>\u00a0long<\/b><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0ONE_MILLI_NANOS<\/i><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0= 1000000L;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\/\/ \u9ed8\u8ba4\u8d85\u65f6\u65f6\u95f4(ms<\/span>\u00a0)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0final<\/b><\/span>\u00a0long<\/b><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0DEFAULT_TIME_OUT<\/i><\/span>\u00a0\u00a0\u00a0= 3000;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0JedisPool\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0pool<\/i><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0final<\/b><\/span>\u00a0Random\u00a0\u00a0\u00a0<\/span>\u00a0r<\/i><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0=<\/span>\u00a0new<\/b><\/span>\u00a0Random();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\/\/ \u9501\u7684\u8d85\u65f6\u65f6\u95f4(s),\u8fc7\u671f\u5220\u9664<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0static<\/b><\/span>\u00a0final<\/b><\/span>\u00a0int<\/b><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0EXPIRE<\/i><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0= 5 * 60;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>static<\/b><\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0pool<\/i><\/span>\u00a0=<\/span>\u00a0new<\/b><\/span>\u00a0JedisPool(<\/span>\u00a0new<\/b><\/span>\u00a0Config<\/span>(),<\/span>\u00a0“host”<\/span>, 6379);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>private<\/b><\/span>\u00a0Jedis\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0jedis<\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>private<\/b><\/span>\u00a0String\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0key<\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\/\/ \u9501\u72b6\u6001\u6807\u5fd7<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>private<\/b><\/span>\u00a0boolean<\/b><\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0locked<\/span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0=<\/span>\u00a0false<\/b><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0RedisLock(String key)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0this<\/b><\/span>.<\/span>\u00a0key<\/span>\u00a0= key;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0this<\/b><\/span>.<\/span>\u00a0jedis<\/span>\u00a0=<\/span>\u00a0pool<\/i><\/span>.getResource();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0boolean<\/b><\/span>\u00a0lock(<\/span>\u00a0long<\/b><\/span>\u00a0timeout)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0long<\/b><\/span>\u00a0nano = System.\u00a0nanoTime<\/i>();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0timeout *=<\/span>\u00a0ONE_MILLI_NANOS<\/i><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0try<\/b><\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0while<\/b><\/span>\u00a0((System.\u00a0nanoTime<\/i>() – nano) < timeout)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0if<\/b><\/span>\u00a0(<\/span>\u00a0jedis<\/span>.setnx(<\/span>\u00a0key<\/span>,<\/span>\u00a0LOCKED<\/i><\/span>) == 1)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0jedis<\/span>.expire(<\/span>\u00a0key<\/span>,<\/span>\u00a0EXPIRE<\/i><\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0this<\/b><\/span>.<\/span>\u00a0locked<\/span>\u00a0=<\/span>\u00a0true<\/b><\/span>\u00a0;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0locked<\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u77ed\u6682\u4f11\u7720,nano<\/span>\u907f\u514d\u51fa\u73b0\u6d3b\u9501<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.\u00a0sleep<\/i>(3,<\/span>\u00a0r<\/i><\/span>.nextInt(500));<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0catch<\/b><\/span>\u00a0(Exception e)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0e.printStackTrace();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0false<\/b><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0boolean<\/b><\/span>\u00a0lock()<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0lock(<\/span>\u00a0DEFAULT_TIME_OUT<\/i><\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\/\/ \u65e0\u8bba\u662f\u5426\u52a0\u9501\u6210\u529f,\u5fc5\u987b\u8c03\u7528<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0<\/span>public<\/b><\/span>\u00a0void<\/b><\/span>\u00a0unlock()<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0try<\/b><\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0if<\/b><\/span>\u00a0(<\/span>\u00a0locked<\/span>)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0jedis<\/span>.del(<\/span>\u00a0key<\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0finally<\/b><\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0pool<\/i><\/span>.returnResource(<\/span>\u00a0jedis<\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          }<\/span><\/div>\n
          \n
          ———————– Jedis.setnx(key, value)\u00a0———————–<\/div>\n
          <\/div>\n
          ———————–\u00a0\u4e8b\u52a1multi\u00a0———————–<\/div>\n
          \u00a0 \u00a0 \u00a0<\/span>public<\/b><\/span>\u00a0boolean<\/b><\/span>\u00a0lock_2(<\/span>\u00a0long<\/b><\/span>\u00a0timeout)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0long<\/b><\/span>\u00a0nano = System.\u00a0nanoTime<\/i>();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0timeout *=<\/span>\u00a0ONE_MILLI_NANOS<\/i><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0try<\/b><\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0while<\/b><\/span>\u00a0((System.\u00a0nanoTime<\/i>() – nano) < timeout)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Transaction t =<\/span>\u00a0jedis<\/span>.multi();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u5f00\u542f\u4e8b\u52a1,\u5f53server\u7aef\u6536\u5230\u00a0multi<\/span>\u6307\u4ee4;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u4f1a\u5c06\u8be5client\u7684\u547d\u4ee4\u653e\u5165\u4e00\u4e2a\u961f\u5217,\u7136\u540e\u4f9d\u6b21\u6267\u884c,\u76f4\u5230\u6536\u5230\u00a0exec<\/span>\u6307\u4ee4;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0t.getSet(<\/span>\u00a0key<\/span>,<\/span>\u00a0LOCKED<\/i><\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0t.expire(<\/span>\u00a0key<\/span>,<\/span>\u00a0EXPIRE<\/i><\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String ret = (String) t.exec().get(0);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0if<\/b><\/span>\u00a0(ret ==<\/span>\u00a0null<\/b><\/span>\u00a0|| ret.equals(<\/span>“UNLOCK”<\/span>))<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0true<\/b><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u77ed\u6682\u4f11\u7720,nano<\/span>\u907f\u514d\u51fa\u73b0\u6d3b\u9501;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.\u00a0sleep<\/i>(3,<\/span>\u00a0r<\/i><\/span>.nextInt(500));<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0catch<\/b><\/span>\u00a0(Exception e)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0false<\/b><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          ———————–\u00a0\u4e8b\u52a1multi\u00a0———————–<\/div>\n
          <\/div>\n
          ———————–\u00a0\u4e8b\u52a1+\u76d1\u542c\u00a0———————–<\/div>\n
          \u00a0 \u00a0 \u00a0<\/span>public<\/b><\/span>\u00a0boolean<\/b><\/span>\u00a0lock_3(<\/span>\u00a0long<\/b><\/span>\u00a0timeout)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0long<\/b><\/span>\u00a0nano = System.\u00a0nanoTime<\/i>();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0timeout *=<\/span>\u00a0ONE_MILLI_NANOS<\/i><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0try<\/b><\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0while<\/b><\/span>\u00a0((System.\u00a0nanoTime<\/i>() – nano) < timeout)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0jedis<\/span>.watch(<\/span>\u00a0key<\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u5f00\u542fwatch\u4e4b\u540e,\u5982\u679ckey\u7684\u503c\u88ab\u4fee\u6539,\u5219\u4e8b\u52a1\u5931\u8d25,\u00a0exec<\/span>\u65b9\u6cd5\u8fd4\u56denull;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0String value =<\/span>\u00a0jedis<\/span>.get(<\/span>\u00a0key<\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0if<\/b><\/span>\u00a0(value ==<\/span>\u00a0null<\/b><\/span>\u00a0|| value.equals(<\/span>“UNLOCK”<\/span>))<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Transaction t =<\/span>\u00a0jedis<\/span>.multi();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0t.setex(<\/span>\u00a0key<\/span>,<\/span>\u00a0EXPIRE<\/i><\/span>,<\/span>\u00a0LOCKED<\/i><\/span>);<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0if<\/b><\/span>\u00a0(t.exec() !=<\/span>\u00a0null<\/b><\/span>)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0true<\/b><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0jedis<\/span>.unwatch();<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0\/\/ \u77ed\u6682\u4f11\u7720,nano<\/span>\u907f\u514d\u51fa\u73b0\u6d3b\u9501;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.\u00a0sleep<\/i>(3,<\/span>\u00a0r<\/i><\/span>.nextInt(500));<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0catch<\/b><\/span>\u00a0(Exception e)<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>\u00a0return<\/b><\/span>\u00a0false<\/b><\/span>;<\/span><\/div>\n
          \u00a0\u00a0\u00a0\u00a0\u00a0}<\/span><\/div>\n
          ———————–\u00a0\u4e8b\u52a1+\u76d1\u542c\u00a0———————–<\/div>\n
          <\/div>\n
          ———————–\u00a0redis\u5206\u5e03\u5f0f\u00a0———————–<\/div>\n
          List<JedisShardInfo> hosts =<\/span>\u00a0new<\/b><\/span>\u00a0ArrayList<JedisShardInfo>();<\/span><\/div>\n
          \/\/ server1<\/span><\/div>\n
          JedisShardInfo host1 =<\/span>\u00a0new<\/b><\/span>\u00a0JedisShardInfo(<\/span>\u00a0“”<\/span>, 6380, 2000);<\/span><\/div>\n
          \/\/ server2<\/span><\/div>\n
          JedisShardInfo host2 =<\/span>\u00a0new<\/b><\/span>\u00a0JedisShardInfo(<\/span>\u00a0“”<\/span>, 6381, 2000);<\/span><\/div>\n
          hosts.add(host1);<\/span><\/div>\n
          hosts.add(host2);<\/span><\/div>\n
          \u00a0<\/span><\/div>\n
          ShardedJedis jedis =<\/span>\u00a0new<\/b><\/span>\u00a0ShardedJedis(hosts);<\/span><\/div>\n
          jedis.set(<\/span>“key”<\/span>,<\/span>\u00a0“”<\/span>);<\/span><\/div>\n
          ———————–\u00a0redis\u5206\u5e03\u5f0f\u00a0———————–<\/div>\n
          <\/div>\n
          <\/div>\n
          ———————–\u00a0\u9519\u8bef\u7684\u914d\u7f6e\u00a0———————–<\/div>\n
          <bean\u00a0id=”jedisPoolConfig”\u00a0class=”redis.clients.jedis.JedisPoolConfig”>
          \n<property\u00a0name=”maxActive”\u00a0\u00a0value=”20″\u00a0\/>
          \n<property\u00a0name=”maxIdle”\u00a0value=”10″\u00a0\/>
          \n<property\u00a0name=”maxWait”\u00a0value=”1000″\u00a0\/><\/div>\n
          <\/bean><\/p>\n

          <!–\u00a0jedis\u00a0shard\u4fe1\u606f\u914d\u7f6e\u00a0–>
          \n<bean\u00a0id=”jedis.shardInfo”\u00a0class=”redis.clients.jedis.JedisShardInfo”>
          \n<constructor-arg\u00a0index=”0″\u00a0value=”*.*.*.*”\u00a0\/>
          \n<constructor-arg\u00a0index=”1″\u00a0value=”6379″\u00a0\/>
          \n<\/bean><\/p>\n

          <!–\u00a0jedis\u00a0shard\u00a0pool\u914d\u7f6e\u00a0–>
          \n<bean\u00a0id=”shardedJedisPool”\u00a0class=”redis.clients.jedis.ShardedJedisPool”>
          \n<constructor-arg\u00a0index=”0″\u00a0ref=”jedisPoolConfig”\u00a0\/>
          \n<constructor-arg\u00a0index=”1″>
          \n<list>
          \n<ref\u00a0bean=”jedis.shardInfo”\u00a0\/>
          \n<\/list>
          \n<\/constructor-arg>
          \n<\/bean><\/p>\n

          <bean\u00a0id=”jedisCommands”\u00a0factory-bean=”shardedJedisPool”\u00a0factory-method=”getResource”\u00a0\/><\/p><\/div>\n

          ———————–\u00a0\u9519\u8bef\u7684\u914d\u7f6e\u00a0———————–<\/div>\n
          <\/div>\n
          ———————– \u89e3\u51b3\u529e\u6cd5\u00a0———————–<\/div>\n
          <!–\u00a0POOL\u914d\u7f6e\u00a0–>
          \n<bean\u00a0id=”jedisPoolConfig”\u00a0class=”redis.clients.jedis.JedisPoolConfig”>
          \n<property\u00a0name=”maxActive”\u00a0\u00a0value=”20″\u00a0\/>
          \n<property\u00a0name=”maxIdle”\u00a0value=”10″\u00a0\/>
          \n<property\u00a0name=”maxWait”\u00a0value=”1000″\u00a0\/>
          \n<property\u00a0name=”testOnBorrow”\u00a0\u00a0value=”true”\/>
          \n<\/bean><\/p>\n

          <!–\u00a0jedis\u00a0shard\u4fe1\u606f\u914d\u7f6e\u00a0–>
          \n<bean\u00a0id=”jedis.shardInfo”\u00a0class=”redis.clients.jedis.JedisShardInfo”>
          \n<constructor-arg\u00a0index=”0″\u00a0value=”*.*.*.*”\u00a0\/>
          \n<constructor-arg\u00a0index=”1″\u00a0value=”6379″\u00a0\/>
          \n<\/bean><\/p>\n

          <!–\u00a0jedis\u00a0shard\u00a0pool\u914d\u7f6e\u00a0–>
          \n<bean\u00a0id=”shardedJedisPool”\u00a0class=”redis.clients.jedis.ShardedJedisPool”>
          \n<constructor-arg\u00a0index=”0″\u00a0ref=”jedisPoolConfig”\u00a0\/>
          \n<constructor-arg\u00a0index=”1″>
          \n<list>
          \n<ref\u00a0bean=”jedis.shardInfo”\u00a0\/>
          \n<\/list>
          \n<\/constructor-arg>
          \n<\/bean><\/p><\/div>\n

          ———————– \u89e3\u51b3\u529e\u6cd5\u00a0———————–<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Java\u9a71\u52a8\u5b9e\u8df5 Redis\u7684\u5ba2\u6237\u7aef\u6709\u4e3b\u8981\u6709\u4e09\u79cd:JDBC-Redis, JRedis\u548cJedis,\u63a8\u8350Jed […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[25,26],"class_list":["post-345","post","type-post","status-publish","format-standard","hentry","category-nosql","tag-nosql","tag-redis"],"_links":{"self":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=345"}],"version-history":[{"count":0,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}