internal static int ReloadDelay(this IReloadConfigProfile profile)
{
if (profile == null)
{
throw new AsyncCacheException(AsyncCacheErrorCode.InvalidConfig,
$"{nameof(IReloadConfigProfile)} is null");
}
try
{
profile.Validate();
switch (profile.Type)
{
case ReloadType.AtGivenTime:
//Once a day
return((int)profile.Hour.DifferenceInMsForNextTimestampFromNow(profile.Minute));
case ReloadType.Interval:
return(profile.Hour * 60 * 60 * 1000 + profile.Minute * 60 * 1000);
default:
throw new AsyncCacheException(AsyncCacheErrorCode.InvalidConfig,
$"{nameof(ReloadType)}: {profile.Type} is not defined.");
}
}
catch (Exception e)
{
throw new AsyncCacheException(AsyncCacheErrorCode.InvalidConfig, "Some config is invalid", e);
}
}
private static void Validate(this IReloadConfigProfile config)
{
switch (config.Type)
{
case ReloadType.AtGivenTime:
config.Hour.ThrowWhenNotInRange(0, 23,
$"For key:{config.Key},{nameof(IReloadConfigProfile)}.{nameof(config.Hour)}");
config.Minute.ThrowWhenNotInRange(0, 59,
$"For key:{config.Key},{nameof(IReloadConfigProfile)}.{nameof(config.Minute)}");
break;
case ReloadType.Interval:
config.Hour.ThrowWhenNotInRange(0, 167,
$"For key:{config.Key},{nameof(IReloadConfigProfile)}.{nameof(config.Hour)}");
config.Minute.ThrowWhenNotInRange(0, 59,
$"For key:{config.Key},{nameof(IReloadConfigProfile)}.{nameof(config.Minute)}");
if (config.Hour == 0 && config.Minute < 10)
{
throw new AsyncCacheException(AsyncCacheErrorCode.InvalidConfig,
$"{nameof(ReloadType)}: Hour/Minute together should not be less than 10 minutes.");
}
break;
default:
throw new AsyncCacheException(AsyncCacheErrorCode.InvalidConfig,
$"{nameof(ReloadType)}: {config.Type} is not defined.");
}
}
public CacheScheduler(IReloadable reloadableInstance, IReloadConfigProfile profile, CancellationToken token,
ILog logger, string cacheName)
{
reloadableInstance.ThrowIfNull($"{nameof(CacheScheduler)}.{nameof(reloadableInstance)}");
profile.ReloadDelay();
_localCts = new CancellationTokenSource();
_combinedCts = CancellationTokenSource.CreateLinkedTokenSource(token, _localCts.Token);
_token = _combinedCts.Token;
_instance = reloadableInstance;
_profile = profile;
_logger = logger;
_cacheName = cacheName;
_reloadTask = BeginReloading();
}
