protected virtual ICachePolicy GetCachePolicy(string key)
{
EnsureFrameworkConfig();
// Figure out the type of the cache key
Type realType = null;
var getTypeFromJson = CacheKey.GetAndRemoveTypeFromJson(key, out realType);
if (realType == null || getTypeFromJson.IsNullOrWhiteSpace())
{
return(StaticCachePolicy.CreateDefault());
}
try
{
var jsonSerializerSettings = new JsonSerializerSettings()
{
MissingMemberHandling = MissingMemberHandling.Error,
ObjectCreationHandling = ObjectCreationHandling.Replace
};
var realKey = JsonConvert.DeserializeObject(getTypeFromJson, realType, jsonSerializerSettings) as CacheKey;
if (realKey == null)
{
return(StaticCachePolicy.CreateDefault());
}
// Figure out which type of cache provider we are, i.e. which rules to load
var policy = GetCachePolicyForKey(realKey);
return(policy);
}
catch
{
return(StaticCachePolicy.CreateDefault());
}
}
public virtual ICachePolicy GetCachePolicyForKey(CacheKey realKey)
{
EnsureFrameworkConfig();
var extendedType = _config.CacheProviders.ExtendedLifetime.GetProviderType();
var provider = _config.CacheProviders.LimitedLifetime;
if (extendedType == this.GetType())
{
provider = _config.CacheProviders.ExtendedLifetime;
}
// Avoid people having to put Original. in front of all their expressions so that the dynamic expression parser can find the properties
var tryCast = realKey as IClassKey <object>;
if (tryCast != null)
{
return(provider.GetPolicyFor(tryCast.Original) ?? StaticCachePolicy.CreateDefault());;
}
var policy = provider.GetPolicyFor(realKey);
return(policy ?? StaticCachePolicy.CreateDefault());;
}
public CacheValueOf(T value)
: this(value, StaticCachePolicy.CreateDefault())
{
}
