/// <summary>
/// Constructs a new CacheEntry.
/// </summary>
/// <param name="key">The primary key information for this entry.</param>
/// <param name="varyHeaders">The Vary Header values for this entry.</param>
/// <exception cref="ArgumentNullException">If <paramref name="key"/> is <c>null</c></exception>
/// <exception cref="ArgumentNullException">If <paramref name="varyHeaders"/> is <c>null</c></exception>
public CacheEntry(PrimaryCacheKey key, IEnumerable <string> varyHeaders)
{
Contract.Requires <ArgumentNullException>(key != null, "key");
Contract.Requires <ArgumentNullException>(varyHeaders != null, "varyHeaders");
Key = key;
VaryHeaders = varyHeaders;
}
public async Task StoreResponseAsync(HttpResponseMessage response)
{
var primaryCacheKey = new PrimaryCacheKey(response.RequestMessage.RequestUri, response.RequestMessage.Method);
CacheEntry cacheEntry = await _contentStore.GetEntryAsync(primaryCacheKey) ?? new CacheEntry(primaryCacheKey, response.Headers.Vary);
var content = cacheEntry.CreateContent(response);
await _contentStore.UpdateEntryAsync(content);
}
public Task <CacheEntry> GetEntryAsync(PrimaryCacheKey cacheKey)
{
// NB: Task.FromResult doesn't exist in MS.BCL.Async
TaskCompletionSource <CacheEntry> ret = new TaskCompletionSource <CacheEntry>();
if (_responseCache.ContainsKey(cacheKey))
{
ret.SetResult(_responseCache[cacheKey].CacheEntry);
}
else
{
ret.SetResult(null);
}
return(ret.Task);
}
internal CacheEntry(PrimaryCacheKey key, HttpHeaderValueCollection <string> varyHeaders)
{
Key = key;
VaryHeaders = varyHeaders;
}