def memoizeHash()

in plugin/src/main/groovy/grails/plugins/redis/RedisService.groovy [174:192]

• 18 lines of code
• 6 McCabe index (conditional complexity)

    def memoizeHash(String key, Map options = [:], Closure closure) {
        def hash = withOptionalRedis { Jedis redis ->
            if (redis) return redis.hgetAll(key)
        }

        if (!hash) {
            log.debug('cache miss: {}', key)
            hash = closure()
            if (hash) withOptionalRedis { Jedis redis ->
                if (redis) {
                    redis.hmset(key, hash)
                    if (options?.expire) redis.expire(key, options.expire)
                }
            }
        } else {
            log.debug('cache hit : {} = {}', key, hash)
        }
        hash
    }