public async Task <string> GetSasForTable(string tableName, string partitionKey)
{
if (String.IsNullOrEmpty(tableName))
{
return(null);
}
var table = await _azureStorage.GetTableReferenceAsync(tableName);
if (table == null)
{
return(null);
}
var sas = table.GetSharedAccessSignature(
new SharedAccessTablePolicy
{
Permissions = SharedAccessTablePermissions.Query,
SharedAccessExpiryTime = LvConfiguration.GetExpireTime(LvConfiguration.TokenExpireOffset)
},
null, /* accessPolicyIdentifier */
partitionKey, /* startPartitionKey */
null, /* startRowKey */
partitionKey, /* endPartitionKey */
null); /* endRowKey */
return(string.Format(CultureInfo.InvariantCulture, "{0}{1}", table.Uri, sas));
}
public async Task <T> Get <T>(string key, Func <Task <T> > func)
{
var value = Get <T>(key);
if (value != null)
{
return(value);
}
#region Cache Task
var asyncKey = String.Format("{0} {1}", RegionOfAsync, key);
Task <T> cachedTask, newTask = null;
lock (_cache)
{
cachedTask = _cache.Get(asyncKey) as Task <T>;
if (cachedTask == null)
{
newTask = func();
_cache.Set(asyncKey, newTask,
LvConfiguration.GetExpireTime(LvConfiguration.AsyncCacheExpireOffset));
}
}
value = cachedTask != null
? await cachedTask.ContinueWith(r => r.Result)
: newTask != null ? await newTask : await func();
#endregion
//value = await func();
Set(key, value);
return(value);
}
public void Set(string key, object value)
{
Set(key, value, LvConfiguration.GetExpireTime(LvConfiguration.CacheExpireOffset));
}
