/// <summary>
/// Gets data async.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="callback">The callback.</param>
internal static void GetAsync(string key, Action <object> callback)
{
var data = Get(key);
if (data != null)
{
callback(data);
}
else
{
CacheItem cacheItem;
if (!Container.TryGetValue(key, out cacheItem))
{
var syncTask = new CacheAsyncTask
{
Key = key,
Callback = callback
};
lock (syncObject)
{
PendingAsyncQueue.Enqueue(syncTask);
}
}
}
}
/// <summary>
/// Syncs cache data using sync action.
/// </summary>
private static void Async()
{
while (true)
{
while (PendingAsyncQueue.Count > 0)
{
var task = PendingAsyncQueue.Dequeue();
CacheAsyncTask actionTask;
if (AsyncTasks.TryGetValue(task.Key, out actionTask))
{
actionTask.SyncAction(task.Key, data =>
{
Add(task.Key, data, actionTask.DataExpires);
task.Callback(data);
});
}
}
Thread.Sleep(TimeSpan.FromSeconds(60));
}
}
