/// <summary>
/// Получает ответ на логический запрос.
/// </summary>
/// <param name="query">Логический запрос.</param>
/// <returns>
/// Возвращает результат логического запроса.
/// </returns>
protected override ILogicalResult Solve(ILogicalQuery query)
{
knBase.ClearWorkMemory();
this.cachedQuery = query;
cachedResult.Clear();
IEnumerable <IKnowledgeBaseAction> init = query.GetPreQueryActions();
foreach (var item in init)
{
item.Execute(knBase);
}
List <IData> queriedData = query.GetQueriedItems().ToList();
List <IData> res = new List <IData>();
foreach (var target in queriedData)
{
if (target.Value == null)
{
foreach (var possibleTarget in GetPossibleTargets(target))
{
if (GetResultRec(possibleTarget))
{
//возможная цель реализована
res.Add(possibleTarget);
break;
}
}
}
else
{
if (GetResultRec(target))
{
res.Add(target);
}
}
}
ILogicalResult result = new ResultingFactSet(res);
cachedResult.Add(result);
return(result);
}
/// <summary>
/// Получает ответ на логический запрос.
/// </summary>
/// <param name="query">Логический запрос.</param>
/// <returns>
/// Возвращает результат логического запроса.
/// </returns>
protected override ILogicalResult Solve(ILogicalQuery query)
{
knBase.ClearWorkMemory();
this.cachedQuery = query;
cachedResult.Clear();
IEnumerable <IKnowledgeBaseAction> init = query.GetPreQueryActions();
foreach (var item in init)
{
item.Execute(knBase);
}
List <IData> queriedData = query.GetQueriedItems().ToList();
List <ILogicalStatement> ready = new List <ILogicalStatement>();
ready = knBase.ActiveSet.ToList();
while (ready.Count > 0 && queriedData.Count((a) => { return(a.Value == null); }) > 0)
{
ILogicalStatement st = ChooseOne(ready);
ready.Remove(st);
st.Execute(knBase);
if (knBase.StateChanged)
{
ready = knBase.ActiveSet.ToList();
}
foreach (IData data in knBase.CurrentData)
{
foreach (IData qData in queriedData)
{
if (qData.Value == null && qData.Name == data.Name)
{
qData.Value = data.Value;
}
}
}
}
ILogicalResult result = new ResultingFactSet(queriedData);
cachedResult.Add(result);
return(result);
}