CODEWITHSUNDEEP
javaredisjedis
Cyber
Cyber

Reputation: 59

Retrieve data from Redis set

I have stored some data in Redis using Jedis. Now I want to retrieve set values if the key exists in the set. I'm using get function but I end up getting this error:

WRONGTYPE Operation against a key holding the wrong kind of value.

String str = jedis.get(word);

To store data I have serialized my Node class using toString function.

jedis.sadd(word, toString(node));

node is an instance of Node class.

Upvotes: 2

Views: 4181

Answers (2)

Ankur
Ankur

Reputation: 33637

You are creating a set in redis hence you need to use set related functions like smembers.

OR

You should be using set instead of sadd and then use get to read the value back.

Upvotes: 1

Muthu
Muthu

Reputation: 158

step 1 : You need to autowired redish

@Autowired
private RedisTemplate<String, Test> redisTemplate;

step 2 : KEY -> your key value for redis. ex. Your class name "Test" , 
testObj.id --> id of your obj and testObj --> your object

redisTemplate.opsForHash().put(KEY, testObj.id, testObj);

step 3 :  get Your object from redis. your key and object id. if you are 
need all object means

get single obj --> redisTemplate.opsForHash().get(KEY, id);

get need all object means  Map<Object, Object> obj=

redisTemplate.opsForHash().entries(KEY);

Upvotes: 0

Related Questions