public void GetLastAccessed()
{
var redisStore = new RedisStore();
var client = new HttpClient(new CachingHandler(redisStore)
{
InnerHandler = new HttpClientHandler()
});
var httpResponseMessage = client.GetAsync(CacheableResource1).Result;
CacheItemMetadata metadata = redisStore.GetEarliestAccessedItem("ajax.googleapis.com");
Assert.IsNotNull(metadata);
Assert.AreEqual("ajax.googleapis.com", metadata.Domain);
Assert.Less(DateTime.Now.Subtract(TimeSpan.FromSeconds(10)), metadata.LastAccessed);
}
public CacheItemMetadata GetEarliestAccessedItem()
{
var cacheItemMetadata = new CacheItemMetadata();
var item = _connection.SortedSets.Range(_databaseId,
KeyNames.EarliestAccessed, 0, 0).Result; // TODO!! refactor to do proper async
if (item.Length == 0)
{
return(null);
}
cacheItemMetadata.Key = item[0].Key;
var results = _connection.Hashes.GetValues(_databaseId, item[0].Key.ToBase64()).Result; // TODO!! refactor to do proper async
cacheItemMetadata.Size = BitConverter.ToInt64(results[1], 0);
cacheItemMetadata.LastAccessed = DateTime.Now; // TODO: this value is not really required. Decide whether deleted
cacheItemMetadata.Domain = Encoding.UTF8.GetString(results[2]);
return(cacheItemMetadata);
}
private bool TryRemove(CacheItemMetadata metadata, bool tellQuotaManager)
{
var fileName = metadata.EnsureFolderAndGetFileName(_dataRoot);
if (File.Exists(fileName))
{
File.Delete(fileName);
TraceWriter.WriteLine("After delete file {0}", TraceLevel.Verbose, fileName);
_database.Cache.DeleteByHash(Convert.ToBase64String(metadata.Key));
TraceWriter.WriteLine("After db update. File name: {0}", TraceLevel.Verbose, fileName);
if (tellQuotaManager)
{
_quotaManager.ItemRemoved(metadata);
}
return(true);
}
return(false);
}
public CacheItemMetadata GetEarliestAccessedItem()
{
var cacheItemMetadata = new CacheItemMetadata();
var item = _connection.SortedSets.Range(_databaseId,
KeyNames.EarliestAccessed, 0, 0).Result; // TODO!! refactor to do proper async
if (item.Length == 0)
return null;
cacheItemMetadata.Key = item[0].Key;
var results = _connection.Hashes.GetValues(_databaseId, item[0].Key.ToBase64()).Result; // TODO!! refactor to do proper async
cacheItemMetadata.Size = BitConverter.ToInt64(results[1], 0);
cacheItemMetadata.LastAccessed = DateTime.Now; // TODO: this value is not really required. Decide whether deleted
cacheItemMetadata.Domain = Encoding.UTF8.GetString(results[2]);
return cacheItemMetadata;
}
private void RemoveWithoutTellingQuotaManager(CacheItemMetadata metadata)
{
TryRemove(metadata, false);
}
private bool TryRemove(CacheItemMetadata metadata, bool tellQuotaManager)
{
var fileName = metadata.EnsureFolderAndGetFileName(_dataRoot);
if (File.Exists(fileName))
{
File.Delete(fileName);
TraceWriter.WriteLine("After delete file {0}", TraceLevel.Verbose, fileName);
_database.Cache.DeleteByHash(Convert.ToBase64String(metadata.Key));
TraceWriter.WriteLine("After db update. File name: {0}", TraceLevel.Verbose, fileName);
if (tellQuotaManager)
_quotaManager.ItemRemoved(metadata);
return true;
}
return false;
}
private void RemoveWithoutTellingQuotaManager(CacheItemMetadata metadata)
{
TryRemove(metadata, false);
}
public static string EnsureFolderAndGetFileName(this CacheItemMetadata metadata, string dataRoot)
{
return(EnsureFolderAndGetFileName(metadata.Domain, metadata.Key, dataRoot));
}
