Spring RedisTemplate操作-HyperLogLog操作
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@Autowired @Resource(name="redisTemplate") private RedisTemplate<String, String> rt; public void flushdb(){ rt.execute(new RedisCallback<Object>() { public String doInRedis(RedisConnection connection) throws DataAccessException { connection.flushDb(); return "ok"; } }); } public void set(){ flushdb(); HyperLogLogOperations<String, String> vo = rt.opsForHyperLogLog(); vo.add("book", "a","b","c"); vo.add("bag", "a","e","d"); vo.add("del", "f","g","h"); } public void get(){ HyperLogLogOperations<String, String> vo = rt.opsForHyperLogLog(); out(vo.size("book")); out(vo.size("bag")); out(vo.size("del")); out(vo.size("book","bag","del")); vo.delete("del"); out(vo.size("book","bag","del")); vo.union("total", "book","bag","del"); out(vo.size("total")); } public void out(String str){ System.out.println(str); } public void out(Collection list){ System.out.println(list); } public void out(long num){ System.out.println(num); } public void out(boolean num){ System.out.println(num); } public void out(DataType num){ System.out.println(num); } public void out(Object str){ System.out.println(str); } public void out(Set<TypedTuple<String>> set){ for(TypedTuple<String> t : set){ System.out.println(t.getValue()+"---"+t.getScore()); } }
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