private IDictionary<Type, TypedLearningPair> GetRandomNegativePairs(HistorySnapshot snapshot)
{
IDictionary<Type, TypedLearningPair> learningDict = new Dictionary<Type, TypedLearningPair>();
int count = snapshot.Events.Count;
int types = Enum.GetNames(typeof(EventName)).Length;
Random rnd = new Random();
for (int i = 0; i < count; i++)
{
string name = ((EventName) rnd.Next(types)).ToString();
Type type = Significator.ToSignificantType(name);
if (type == null)
continue;
TypedLearningPair pair;
if (!learningDict.ContainsKey(type))
{
pair = new TypedLearningPair(type, false);
learningDict.Add(type, pair);
}
else
{
pair = learningDict[type];
}
pair.Modify(Significator.ToSignificant(name));
}
return learningDict;
}
private IDictionary<Type, TypedLearningPair> GetPairs(HistorySnapshot snapshot, bool isTarget)
{
IDictionary<Type, TypedLearningPair> learningDict = new Dictionary<Type, TypedLearningPair>();
foreach (IProcessAction action in snapshot.Events)
{
Type type = Significator.ToSignificantType(action.EventName);
if (type == null)
continue;
TypedLearningPair pair;
if (!learningDict.ContainsKey(type))
{
pair = new TypedLearningPair(type, isTarget);
learningDict.Add(type, pair);
}
else
{
pair = learningDict[type];
}
pair.Modify(Significator.ToSignificant(action.EventName));
}
return learningDict;
}
