private TrackingConfiguration AddMetaData()
{
Type t = TargetReference.Target.GetType();
PropertyInfo keyProperty = t.GetProperties().SingleOrDefault(pi => pi.IsDefined(typeof(TrackingKeyAttribute), true));
if (keyProperty != null)
{
Key = keyProperty.GetValue(TargetReference.Target, null).ToString();
}
foreach (PropertyInfo pi in t.GetProperties())
{
//don't track the key property
if (pi == keyProperty)
{
continue;
}
TrackableAttribute propTrackableAtt = pi.GetCustomAttributes(true).OfType <TrackableAttribute>().Where(ta => ta.TrackerName == StateTracker.Name).SingleOrDefault();
if (propTrackableAtt != null)
{
DefaultValueAttribute defaultAtt = pi.CustomAttributes.OfType <DefaultValueAttribute>().SingleOrDefault();
if (defaultAtt != null)
{
TrackedProperties[pi.Name] = CreateDescriptor(pi.Name, true, defaultAtt.Value);
}
else
{
TrackedProperties[pi.Name] = CreateDescriptor(pi.Name, false, null);
}
}
}
return(this);
}
private void ReadAttributes()
{
// todo: use Expression API to generate getters/setters instead of reflection
// [low priority due to low likelyness of 1M+ invocations]
// todo: add [CanPersist] attribute and use it for canReadFunc
//set key if [TrackingKey] detected
PropertyInfo keyProperty = TargetType.GetProperties().SingleOrDefault(pi => pi.IsDefined(typeof(TrackingIdAttribute), true));
if (keyProperty != null)
{
idFunc = (t) => keyProperty.GetValue(t, null).ToString();
}
//add properties that have [Trackable] applied
foreach (PropertyInfo pi in TargetType.GetProperties())
{
TrackableAttribute propTrackableAtt = pi.GetCustomAttributes(true).OfType <TrackableAttribute>().SingleOrDefault();
if (propTrackableAtt != null)
{
//use [DefaultValue] if present
DefaultValueAttribute defaultAtt = pi.CustomAttributes.OfType <DefaultValueAttribute>().SingleOrDefault();
if (defaultAtt != null)
{
TrackedProperties[pi.Name] = new TrackedPropertyInfo(x => pi.GetValue(x), (x, v) => pi.SetValue(x, v), defaultAtt.Value);
}
else
{
TrackedProperties[pi.Name] = new TrackedPropertyInfo(x => pi.GetValue(x), (x, v) => pi.SetValue(x, v));
}
}
}
foreach (EventInfo eventInfo in TargetType.GetEvents())
{
var attributes = eventInfo.GetCustomAttributes(true);
if (attributes.OfType <PersistOnAttribute>().Any())
{
PersistOn(eventInfo.Name);
}
if (attributes.OfType <StopTrackingOnAttribute>().Any())
{
StopTrackingOn(eventInfo.Name);
}
}
}