def memoizeSet()

in plugin/src/main/groovy/grails/plugins/redis/RedisService.groovy [410:430]


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

        if (!set) {
            log.debug('cache miss: {}', key)
            set = closure()
            if (set) withOptionalPipeline { pipeline ->
                if (pipeline) {
                    for (obj in set) {
                        pipeline.sadd(key, obj)
                    }
                    if (options?.expire) pipeline.expire(key, options.expire)
                }
            }
        } else {
            log.debug('cache hit: {}', key)
        }
        set
    }