/// <summary>
/// Displays the engine's results of the interview session.
/// </summary>
private static void DisplayResults(Facts.Fact goal)
{
Console.WriteLine("\n");
// Indent and format results
string tline = "\t" + goal.ValueAsString().Replace("\n", "\n\t");
// For eternal values, only show value
if (goal.Value().IsEternal)
{
tline = tline.Replace("DawnOfTime ", "");
}
// Concatenate question and answer
string result = "\t" + goal.QuestionText() + "\n\n" + tline + "\n";
// Add result to test case
Tvar testResult = goal.GetFunction().Invoke();
AkkTest.CloseUnitTest(testResult, goal.Relationship);
Console.WriteLine(result);
}
/// <summary>
/// Takes an income packet and instantiates a Hammurabi session.
/// </summary>
public Packet Assess(Packet request)
{
// Start timer
DateTime startTime = DateTime.Now;
// Pre-evaluate each goal to enable look-ahead short circuiting.
// See Hammurabi | Core | Engine.cs, line ~81, for an explanation.
foreach (Factoid g in request.Goals)
{
Facts.Fact gb = new Facts.Fact(g.Relationship, g.Arg1, g.Arg2, g.Arg3);
gb.Value();
}
// Start a fresh session
// Facts.Clear();
Facts.GetUnknowns = true;
Facts.Unknowns.Clear();
bool allDone = true;
request.PercentageComplete = 100;
// Assert facts into a Hammurabi session
foreach (Factoid f in request.AssertedFacts)
{
AssertFact(f);
}
// Iterate through each goal
foreach (Factoid g in request.Goals)
{
Facts.Fact gb = new Facts.Fact(g.Relationship, g.Arg1, g.Arg2, g.Arg3);
// Assign to a variable so it's only evaluated once
Tvar gbVal = gb.Value();
// Convert Tvar to timeline object
g.Timeline = TvarToTimeline(gbVal);
// All goals resolved?
if (!gbVal.HasBeenDetermined)
{
allDone = false;
}
}
// Stop looking for unknown facts
Facts.GetUnknowns = false;
// Determine the next fact and the percent complete
if (!allDone)
{
// Factoid neededFact = new Factoid("Tnum","USC.Tit26.Sec151.ThresholdAmount","Jim","","");
// Facts.Fact f = new Facts.Fact("USC.Tit26.Sec151.ThresholdAmount", null, null, null);
// Factoid neededFact = new Factoid(f);
Factoid neededFact = new Factoid(Facts.Unknowns[0]);
request.NeededFacts = new List <Factoid>()
{
neededFact
};
request.PercentageComplete = Interactive.Engine.ProgressPercentage(Facts.Count(), Facts.Unknowns.Count);
}
// Add elapsed time to response object
request.ResponseTimeInMs = Convert.ToInt32((DateTime.Now - startTime).TotalMilliseconds);
return(request);
}