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object FlagsRegistry { | |
private val flagsRegistry = new FlagsRegistry(config, dao, executorService) | |
def check(serviceId: Long, flag: FlagEnum) = flagsRegistry.check(serviceId, flag) | |
} | |
class FlagsRegistry(conf, dao, executorService) { | |
private val UpdateInterval: Long = conf.get("bla.bla.update-interval") | |
@volatile private var flags: Map[Long, Map[FlagEnum, Flag]] = fetchAllFlags() | |
sheduleNextTimer(UpdateInterval) | |
def check(serviceId: Long, flag: FlagEnum) = | |
flags.get(serviceId).flatMap(_.get(flag)).exists(_.value == true) | |
private def fetchAllFlags(): Map[Long, Map[FlagEnum, Flag]] = | |
dao.getAllServiceFlags() map { result ⇒ | |
??? | |
} | |
private def sheduleNextTimer(timeout: Long) { | |
executorService.schedule(new Runnable { | |
def run() { | |
flags = fetchAllFlags() | |
sheduleNextTimer(math.min(UpdateInterval, findNextExpiredTimeout)) | |
} | |
}, | |
timeout, | |
TimeUnit.MILLISECONDS | |
) | |
} | |
private def findNextExpiredTimeout: Long = ??? | |
} |
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