public CacheChangeData(Guid cacheId, CacheChange change, ICoreItem oldItem, ICoreItem newItem)
{
CacheId = cacheId;
Change = change;
OldItem = oldItem;
NewItem = newItem;
}
protected override void OnUpdate(CacheChange change, string userKey, string oldValue, string newValue, object userParam)
{
switch (change)
{
case CacheChange.CacheCleared:
ClearedCount += 1;
break;
case CacheChange.ItemCreated:
CreatedCount += 1;
break;
case CacheChange.ItemUpdated:
UpdatedCount += 1;
break;
case CacheChange.ItemRemoved:
RemovedCount += 1;
break;
case CacheChange.ItemExpired:
ExpiredCount += 1;
break;
default:
throw new NotSupportedException("CacheChange=" + change);
}
}
protected override void OnUpdate(CacheChange change, string userKey, ICoreItem oldValue, ICoreItem newValue, CoreItemCacheParams userParam)
{
switch (change)
{
case CacheChange.CacheCleared:
if (oldValue != null)
{
throw new ArgumentException("oldValue");
}
if (newValue != null)
{
throw new ArgumentException("newValue");
}
_updates.Add(new CacheChangeData(_cacheId, change, null, null));
break;
case CacheChange.ItemCreated:
if (oldValue != null)
{
throw new ArgumentException("oldValue");
}
if (newValue == null)
{
throw new ArgumentException("newValue");
}
_updates.Add(new CacheChangeData(_cacheId, change, null, newValue));
Interlocked.Increment(ref _itemsCreated);
break;
case CacheChange.ItemExpired:
case CacheChange.ItemRemoved:
if (oldValue == null)
{
throw new ArgumentException("oldValue");
}
if (newValue != null)
{
throw new ArgumentException("newValue");
}
_updates.Add(new CacheChangeData(_cacheId, change, oldValue, null));
Interlocked.Increment(ref _itemsDeleted);
break;
case CacheChange.ItemUpdated:
if (oldValue == null)
{
throw new ArgumentException("oldValue");
}
if (newValue == null)
{
throw new ArgumentException("newValue");
}
if (newValue.Id != oldValue.Id)
{
_updates.Add(new CacheChangeData(_cacheId, change, oldValue, newValue));
Interlocked.Increment(ref _itemsUpdated);
}
break;
}
}
private void ProgressCallback(ISubscription subscription, ICoreItem item)
{
try
{
ProgressObj oldProgress = null;
ProgressObj newProgress = null;
if (item != null)
{
// get old request view object
Guid requestId = item.AppProps.GetValue <Guid>(RequestBase.Prop.RequestId, true);
oldProgress = _ProgressCache.Remove(requestId);
// build the new request view object
if (item.IsCurrent())
{
if (item.DataType.IsSubclassOf(typeof(RequestBase)))
{
RequestBase request = item.Data as RequestBase;
if (request != null)
{
newProgress = new ProgressObj(requestId, item.Created, oldProgress, request);
}
}
else if (item.DataType.IsSubclassOf(typeof(ResponseBase)))
{
ResponseBase response = item.Data as ResponseBase;
if (response != null)
{
newProgress = new ProgressObj(requestId, item.Created, oldProgress, response);
}
}
else
{
throw new NotSupportedException(String.Format("Type: '{0}'", item.DataType.Name));
}
}
if (newProgress != null)
{
_ProgressCache.Set(requestId, newProgress);
}
}
else
{
throw new ArgumentNullException("item");
}
// determine the change type
CacheChange change = CacheChange.Undefined;
if (oldProgress != null)
{
// updated or deleted
if (newProgress != null)
{
change = CacheChange.ItemUpdated;
}
else
{
change = CacheChange.ItemRemoved;
}
}
else
{
// created or ???
if (newProgress != null)
{
change = CacheChange.ItemCreated;
}
}
if (change != CacheChange.Undefined)
{
_ProgressView.UpdateData(new ViewChangeNotification <ProgressObj>()
{
Change = change, OldData = oldProgress, NewData = newProgress
});
}
}
catch (Exception excp)
{
_MainLog.Log(excp);
}
}
