private async Task <CacheItem <TValue> > GetCacheItemAsync <TValue>(CacheContext context, string key)
{
var cacheItem = await context.GetItemAsync <TValue>(Name, key);
return(cacheItem);
}
public RedisCache(String name, RedisCachePolicy policy)
{
this.name = name;
this.log = NLog.LogManager.GetLogger(typeof(RedisCache).FullName);
log.Debug("Init Cache {0}", this.name);
if (policy == null)
{
log.Error("Invalid Policy for Cache {0}", this.name);
throw new ArgumentNullException(nameof(policy));
}
if (!string.IsNullOrEmpty(policy.ConnectionName))
{
this.connectionString = CacheManager.GetConnectionString(policy.ConnectionName)?.ConnectionString;
if (string.IsNullOrEmpty(connectionString))
{
throw new ArgumentException(
$"{nameof(ICacheConnectionString.ConnectionString)} not found for {nameof(policy.ConnectionName)} {policy.ConnectionName}", $"{nameof(policy)}.{nameof(policy.ConnectionName)}");
}
}
else if (!string.IsNullOrEmpty(policy.ConnectionString))
{
this.connectionString = policy.ConnectionString;
}
else
{
throw new ArgumentException(
$"{nameof(policy.ConnectionString)} is undefined", $"{nameof(policy)}.{nameof(policy.ConnectionString)}");
}
this.monitorPort = policy.MonitorPort;
this.monitorIntervalMilliseconds = policy.MonitorIntervalMilliseconds;
this.converterType = policy.Converter;
this.clusterType = policy.ClusterType;
if (policy.SlidingExpiration.HasValue && policy.SlidingExpiration.Value < TimeSpan.MaxValue)
{
this.expireWithin = policy.SlidingExpiration.Value;
this.useSlidingExpiration = true;
this.expireAt = null;
}
else if (policy.ExpirationFromAdd.HasValue && policy.ExpirationFromAdd.Value < TimeSpan.MaxValue)
{
this.expireWithin = policy.ExpirationFromAdd.Value;
this.useSlidingExpiration = false;
this.expireAt = null;
}
else if (policy.AbsoluteExpiration.HasValue && policy.AbsoluteExpiration.Value < DateTimeOffset.MaxValue)
{
this.expireWithin = null;
this.useSlidingExpiration = false;
this.expireAt = policy.AbsoluteExpiration.Value.LocalDateTime;
}
else
{
this.expireWithin = null;
this.useSlidingExpiration = false;
this.expireAt = null;
}
this.useSlidingExpiration = (policy.SlidingExpiration < TimeSpan.MaxValue);
this.innerCache = new CacheContext(
this.connectionString, this.converterType, this.clusterType, this.monitorPort, this.monitorIntervalMilliseconds);
this.notiferName = policy.SyncProvider;
this.synchronizer = CacheSynchronizer.CreateCacheSynchronizer(this, this.notiferName);
}
private CacheItem <TValue> GetCacheItem <TValue>(CacheContext context, string key)
{
var cacheItem = context.GetItem <TValue>(this.Name, key);
return(cacheItem);
}