public FeatureStateBaseHolder(FeatureStateBaseHolder fs)
{
if (fs != null)
{
FeatureUpdateHandler = fs.FeatureUpdateHandler;
}
}
// update the feature if its version is greater than the version we currently store
private bool FeatureUpdate(FeatureState fs)
{
var keyExists = _features.ContainsKey(fs.Key);
FeatureStateBaseHolder holder = keyExists ? _features[fs.Key] : null;
if (holder?.Key == null)
{
holder = new FeatureStateBaseHolder(holder);
}
else if (holder.Version != null)
{
if (holder.Version > fs.Version || (
holder.Version == fs.Version && !FeatureStateBaseHolder.ValueChanged(holder.Value, fs.Value)))
{
return(false);
}
}
holder.FeatureState = fs;
if (keyExists)
{
_features[fs.Key] = holder;
}
else
{
_features.Add(fs.Key, holder);
}
return(true);
}
// update the feature if its version is greater than the version we currently store
private bool FeatureUpdate(FeatureState fs)
{
var keyExists = _features.ContainsKey(fs.Key);
FeatureStateBaseHolder holder = keyExists ? _features[fs.Key] : null;
if (holder?.Key == null)
{
holder = new FeatureStateBaseHolder(holder);
}
else if (holder.Version != null && holder.Version >= fs.Version)
{
// Console.WriteLine($"discarding {fs}");
return(false);
}
// Console.WriteLine($"storing {fs}");
holder.FeatureState = fs;
if (keyExists)
{
_features[fs.Key] = holder;
}
else
{
_features.Add(fs.Key, holder);
}
return(true);
}
public IFeatureStateHolder Copy()
{
var fs = new FeatureStateBaseHolder(null);
fs.FeatureState = this._feature;
return(fs);
}
public FeatureStateBaseHolder(FeatureStateBaseHolder fs, ApplyFeature applyFeature)
{
_applyFeature = applyFeature;
if (fs != null)
{
FeatureUpdateHandler = fs.FeatureUpdateHandler;
}
}
