/// <summary>
/// Use the previous cached value (or a default value if there is no previous value) if the retrieval mechanism failed
/// </summary>
public static CacheStrategyAsync <T> IfRetrievalFailsUsePreviousValueOrDefault <T>(this CacheStrategyAsync <T> source, T defaultValue)
{
return(source.IfRetrievalFails((ex, cachedValue) => RetrievalErrorHandlerResult <T> .UsePreviousCachedValueOrDefault(ex, cachedValue, defaultValue)));
}
/// <summary>
/// Use the previous cached value if the retrieval mechanism failed
/// </summary>
public static CacheStrategyAsync <T> IfRetrievalFailsUsePreviousValue <T>(this CacheStrategyAsync <T> source)
{
return(source.IfRetrievalFails(RetrievalErrorHandlerResult <T> .UsePreviousCachedValue));
}