5 examples of 'redis client get' in JavaScript

77
get(key, defaultValue = null) {
78
  var me = this;
79
  return function *() {
80
    EasyNode.DEBUG && logger.debug(`get from cache [${key}] ...`);
81
    if (yield me._doAuth()) {
82
      var s = yield me._client.get(key);
83
      if (s) {
84
        s = JSON.parse(s);
85
      }
86
      return s;
87
    }
88
    else {
89
      logger.error('redis authorize fail');
90
      return null;
91
    }
92
  };
93
}

227
getAsync(key: string) {
228
  return Q.ninvoke(this, 'get', key);
229
}

32
public get(key: string, callback: StoreCallback): void {
33
    const rdskey = this.options.prefix + key;
34
    this.options.client.get(rdskey).then((cachedValue: string) => {
35
        if (cachedValue) {
36
            callback(null, JSON.parse(cachedValue));
37
        } else {
38
            callback(null, null);
39
        }
40
    }).catch((err: any) => {
41
        callback(err, null);
42
    });
43
}

31
async get(key: string): Promise {
32
  const reply = await this.loader.load(key);
33
  if (reply !== null) {
34
    return reply;
35
  }
36
  return;
37
}

71
async get (key: string): Promise {
72
  try {
73
    const cacheEntry = await this.redis.get(key)
74
    if (cacheEntry === null) return undefined
75
    const cacheItem: RedisCacheItem = JSON.parse(cacheEntry)
76
    switch (cacheItem.meta.type) {
77
      case RedisItemDataType.string:
78
        return cacheItem.value
79
      case RedisItemDataType.number:
80
        return Number(cacheItem.value)
81
      case RedisItemDataType.object:
82
        try {
83
          const hydratedObject = JSON.parse(cacheItem.value)
84
          return hydratedObject
85
        } catch (e) {
86
          this.logger.error(`failed to parse redis cache item: ${cacheItem.value}.`)
87
          throw e
88
        }
89
      default:
90
        throw new Error(`unsupported cache item type:${cacheItem.meta.type}`)
91
    }
92
  } catch (err) {
93
    this.logger.error(`REDIS (get): Error getting ${key}: ${err.message}`)
94
    throw err
95
  }
96
}