/// <summary>
/// Given a purge cached message, indicates whether it should be purged from the cache.
/// </summary>
protected virtual bool ShouldPurge(ref CachedMessage cachedMessage, ref CachedMessage newestCachedMessage, DateTime nowUtc)
{
TimeSpan timeInCache = nowUtc - cachedMessage.DequeueTimeUtc;
// age of message relative to the most recent event in the cache.
TimeSpan relativeAge = newestCachedMessage.EnqueueTimeUtc - cachedMessage.EnqueueTimeUtc;
return(timePurge.ShouldPurgFromTime(timeInCache, relativeAge));
}
// Given a purge cached message, indicates whether it should be purged from the cache
private bool ShouldPurge(ref TCachedMessage cachedMessage, ref TCachedMessage newestCachedMessage, DateTime nowUtc)
{
TimeSpan timeInCache = nowUtc - GetDequeueTimeUtc(ref cachedMessage);
// age of message relative to the most recent event in the cache.
TimeSpan relativeAge = GetEnqueueTimeUtc(ref newestCachedMessage) - GetEnqueueTimeUtc(ref cachedMessage);
return(timePurge.ShouldPurgFromTime(timeInCache, relativeAge));
}