private void removedCallback(string key, Object value, CacheItemRemovedReason reason)
{
if (reason == CacheItemRemovedReason.Expired)
{
DiscussionList obj = (DiscussionList)value;
insertNew(key, obj.BoardId);
}
}
public void Notify(string board_id)
{
string key = SandId.CombineId("dlpond1", board_id);
DiscussionList obj = (DiscussionList)HttpRuntime.Cache.Remove(key);
if (obj != null)
{
insertNew(key, obj.BoardId);
}
}
private DiscussionList insertNew(string key, string board_id)
{
DiscussionList obj = new DiscussionList(board_id); // if concurrency happens, this will be done more than once.
HttpRuntime.Cache.Insert(key, obj, null, DateTime.Now.AddSeconds(HeartsConfiguration.DEFAULT_CACHE_SECONDS),
Cache.NoSlidingExpiration, CacheItemPriority.Default, removedCallback);
// expires after some time for multi-node synchronization (unreliable).
return(obj);
}
public DiscussionList Get(string board_id)
{
string key = SandId.CombineId("dlpond1", board_id);
DiscussionList obj = (DiscussionList)HttpRuntime.Cache.Get(key);
if (obj == null)
{
obj = insertNew(key, board_id);
}
return(obj);
}
public override void ExecuteResult(ControllerContext context)
{
TextWriter writer = context.HttpContext.Response.Output;
//using (JsonTextWriter writer = new JsonTextWriter(context.HttpContext.Response.Output))
//{
if (selectionId != null)
{
//string selection_name = SelectionInfoStore.GetSelectionName(this.selectionId);
string selection_name = Warehouse.BsMapPond.Get().GetSelectionName(this.selectionId);
//writer.WritePropertyName("selection_name");
//writer.WriteValue(selection_name);
writer.WriteForCrawler("h1", selection_name);
}
foreach (string board_id in this.boardList)
{
DiscussionList dl = Warehouse.DiscussionListPond.Get(board_id);
dl.Write(writer);
}
//}
//base.ExecuteResult(context);
}