RedisClient

Path

com.roma.apic.livedata.client.v1.RedisClient

Description

This class is used to connect to the Redis or read the Redis cache. If JedisConfig is not specified, connect to the default Redis provided by the function API of the custom backend.

Example

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importClass(com.roma.apic.livedata.client.v1.RedisClient);
function execute(data) {
    var redisClient = new RedisClient;
    var count = redisClient.get("visit_count")
    if (!count)
    {
        redisClient.put("visit_count", 1);
    }else {
        redisClient.put("visit_count", parseInt(count) + 1);
    }
    return redisClient.get("visit_count");
}

Constructor Details

public RedisClient()

Constructs a RedisClient and connects it to the default Redis provided by the function API (livedata) of the custom backend.

public RedisClient(JedisConfig jedisConfig)

Constructs a RedisClient by using jedisConfig.

Parameter: jedisConfig

Method List

Method Details

• public String get(String key)

  Obtain the value corresponding to the key in the Redis cache.

  Input Parameter

  key indicates the key value.

  Returns

  Obtain the value corresponding to the key in the Redis cache.

• public String put(String key, int expireTime, String value)

  Update the Redis cache content and expiration time, and return the execution result.

  Input Parameter

  • key indicates the key value of the cache to be updated.
  • expireTime indicates the expiration time of the cache content to be updated.
  • value indicates the value of the cache to be updated.

  Returns

  Execution result.

• public String put(String key, String value)

  Update the Redis cache content and return the execution result.

  Input Parameter

  • key indicates the key value of the cache to be updated.
  • value indicates the value of the cache to be updated.

  Returns

  Execution result.

• public Long remove(String key)

  Delete cached messages of a specified key value.

  Input Parameter

  key indicates the key value of the cache to be deleted.

  Returns

  Execution result.