private bool MaybeReadAllFromCache(JsonOperationContext ctx, AggressiveCacheOptions options)
{
if (_cached != null)
{
_cached.Dispose();
_cached = null;
}
bool readAllFromCache = options != null;
var trackChanges = readAllFromCache && options.Mode == AggressiveCacheMode.TrackChanges;
for (int i = 0; i < _commands.Count; i++)
{
var command = _commands[i];
var cacheKey = GetCacheKey(command, out _);
var cachedItem = _httpCache.Get(ctx, cacheKey, out var changeVector, out var cached);
if (cached == null)
{
readAllFromCache = false;
continue;
}
if (readAllFromCache && (trackChanges && cachedItem.MightHaveBeenModified || cachedItem.Age > options.Duration || command.CanCacheAggressively == false))
{
readAllFromCache = false;
}
command.Headers[Constants.Headers.IfNoneMatch] = $"\"{changeVector}\"";
_cached ??= new Cached(_commands.Count);
_cached.Values[i] = (cachedItem, cached);
}
if (readAllFromCache)
{
using (_cached)
{
Result = new List <GetResponse>(_commands.Count);
for (int i = 0; i < _commands.Count; i++)
{
// ReSharper disable once PossibleNullReferenceException
var(_, cached) = _cached.Values[i];
Result.Add(new GetResponse {
Result = cached.Clone(ctx), StatusCode = HttpStatusCode.NotModified
});
}
}
_cached = null;
}
return(readAllFromCache);
}
public void Dispose() => _cached?.Dispose();
private void DisposeCache()
{
_cached?.Dispose();
_cached = null;
}