/// <summary>
/// The CacheLoader has finished loading and is handing us a new value.
/// </summary>
void Cached_ValueAvailable(object sender, ValueAvailableEventArgs e)
{
// live loader has data, so we don't care about it anymore.
//
if (HaveWeEverGottenALiveValue)
{
NextCompletedAction.UnregisterLoader(LoaderType.CacheLoader);
return;
}
// copy the cached value into our state.
//
UpdateFrom((ValueLoader)sender, e.Value);
SetBoolValue(UsingCachedValueMask, true);
UpdateExpiration(e.UpdateTime, e.Value as ICachedItem);
}
/// <summary>
/// Callback that fires when the LiveValueLoader has completed it's load and is handing
/// us a new value.
/// </summary>
void Live_ValueAvailable(object sender, ValueAvailableEventArgs e)
{
// is this the same value we already have?
//
if (e.UpdateTime == LastUpdatedTime)
{
return;
}
// update update and expiration times.
//
var value = e.Value;
ValueLoader loader = (ValueLoader)sender;
UpdateExpiration(e.UpdateTime, value as ICachedItem);
if (value != null)
{
UpdateFrom(loader, value);
}
else
{
// not clear what to do with null values.
//
NotifyCompletion(loader, null);
return;
}
HaveWeEverGottenALiveValue = true;
// We are no longer using the cached value.
//
SetBoolValue(UsingCachedValueMask, false);
// as long as this thing isn't NoCache, write
// it to the store.
//
if (CachePolicy != AgFx.CachePolicy.NoCache)
{
SerializeDataToCache(value, _liveLoader.UpdateTime, _valueExpirationTime, false);
}
}
/// <summary>
/// Callback that fires when the LiveValueLoader has completed it's load and is handing
/// us a new value.
/// </summary>
void Live_ValueAvailable(object sender, ValueAvailableEventArgs e)
{
// is this the same value we already have?
//
if (e.UpdateTime == LastUpdatedTime)
{
return;
}
// update update and expiration times.
//
var value = e.Value;
ValueLoader loader = (ValueLoader)sender;
UpdateExpiration(e.UpdateTime, value as ICachedItem);
if (value != null)
{
UpdateFrom(loader, value);
}
else
{
// not clear what to do with null values.
//
NotifyCompletion(loader, null);
return;
}
HaveWeEverGottenALiveValue = true;
// We are no longer using the cached value.
//
SetBoolValue(UsingCachedValueMask, false);
// as long as this thing isn't NoCache, write
// it to the store.
//
if (CachePolicy != CachePolicy.NoCache)
{
SerializeDataToCache(value, _liveLoader.UpdateTime, _valueExpirationTime, false);
}
}
/// <summary>
/// The CacheLoader has finished loading and is handing us a new value.
/// </summary>
void Cached_ValueAvailable(object sender, ValueAvailableEventArgs e)
{
// live loader has data, so we don't care about it anymore.
//
if (HaveWeEverGottenALiveValue)
{
NextCompletedAction.UnregisterLoader(LoaderType.CacheLoader);
return;
}
// copy the cached value into our state.
//
UpdateFrom((ValueLoader)sender, e.Value);
SetBoolValue(UsingCachedValueMask, true);
UpdateExpiration(e.UpdateTime, e.Value as ICachedItem);
}
