public long?GetExpiresAfter(K key)
{
policy.RequireNonNull <K>(key);
K lookupKey = policy.cache.nodeFactory.NewLookupKey(key);
Node <K, V> node = policy.cache.data[lookupKey];
if (node == null)
{
return(null);
}
long duration = node.VariableTime - policy.cache.ExpirationTicker.Ticks();
return((duration <= 0) ? null : (long?)duration);
}
public long?AgeOf(K key)
{
policy.RequireNonNull <K>(key);
K lookupKey = policy.cache.nodeFactory.NewLookupKey(key);
Node <K, V> node = policy.cache.data[key];
if (node == null)
{
return(null);
}
long age = policy.cache.ExpirationTicker.Ticks() - node.WriteTime;
return((age > policy.cache.ExpiresAfterWriteNanos) ? new long?() : age);
}
public int?WeightOf(K key)
{
policy.RequireNonNull <K>(key);
if (!IsWeighted)
{
return(null);
}
Node <K, V> node = null;
policy.cache.data.TryGetValue(policy.cache.nodeFactory.NewLookupKey(key), out node);
if (node == null)
{
return(null);
}
lock (node)
{
return(node.Weight);
}
}
