public bool Startup()
{
if (_env == null ||
CBRContextManager.GetCBRContext(_name) == null)
{
System.Console.WriteLine("environment is not set or context is null");
return(false);
}
_ctx = CBRContextManager.GetCBRContext(_name);
if (_problem == null)
{
System.Console.WriteLine("problem is not set");
return(false);
}
_ctx.SetCurrentCase(_problem);
#region only for test
if (Version.DEBUG)
{
System.Console.WriteLine("=====context detail=====");
System.Console.WriteLine("Reasoning Engine startup successfully!");
System.Console.WriteLine("problem case is:");
for (int i = 0; i < _problem.GetFeatures().Count; i++)
{
Feature f = (Feature)_problem.GetFeatures()[i];
System.Console.WriteLine("\t" + f.GetFeatureName() + ":" + f.GetFeatureValue());
}
System.Console.WriteLine("context is:");
System.Console.WriteLine("case base\t" + _ctx.GetCaseBase().ToString());
System.Console.WriteLine("case base input\t" + _ctx.GetCaseBaseInput().ToString());
System.Console.WriteLine("case base input type\t" + _ctx.GetCaseBaseInputType().ToString());
System.Console.WriteLine("case base url\t" + _ctx.GetCaseBaseURL().ToString());
System.Console.WriteLine("case restore method\t" + _ctx.GetCaseRestoreMethod().ToString());
System.Console.WriteLine("case retrieval method\t" + _ctx.GetCaseRetrievalMethod().ToString());
System.Console.WriteLine("case reuse method\t" + _ctx.GetCaseReuseMethod().ToString());
System.Console.WriteLine("case reuse strategy\t" + _ctx.GetCaseReuseStrategy().ToString());
System.Console.WriteLine("case revise method\t" + _ctx.GetCaseReviseMethod().ToString());
System.Console.WriteLine("current case\t" + _ctx.GetCurrentCase().ToString());
System.Console.WriteLine("similarity\t" + _ctx.GetSimilarity().ToString());
System.Console.WriteLine("similarity threhold\t" + _ctx.GetSimilarityThrehold().ToString());
System.Console.WriteLine("=====end of context detail=====");
}
#endregion
return(true);
}
public Case Reuse(ArrayList stats)
{
if (stats == null || stats.Count <= 0)
{
return(null);
}
if (_env == null)
{
throw new ContextException("environment variable is not set");
}
ICBRContext ctx = CBRContextManager.GetCBRContext(_env);
if (ctx == null)
{
throw new ContextException("context is not set");
}
Case problem = ctx.GetCurrentCase();
Case c = ((IStat)(stats[0])).GetCBRCase();
if (c != null && problem != null)
{
ArrayList features = c.GetFeatures();
for (int i = 0; i < features.Count; i++)
{
Feature f = (Feature)features[i];
//if the feature is the key of problem
if (f.GetIsKey())
{
problem.ModifyFeature(f.GetFeatureName(),
f.GetFeatureType(), f.GetFeatureValue(),
f.GetWeight(), f.GetIsKey(),
f.GetIsIndex());
}
}
return(problem);
}
return(null);
}
public Case Reuse(System.Collections.ArrayList stats)
{
if (stats == null || stats.Count <= 0)
{
return(null);
}
if (_env == null)
{
throw new ContextException("environment variable is not set");
}
ICBRContext ctx = CBRContextManager.GetCBRContext(_env);
if (ctx == null)
{
throw new ContextException("ctx is not set");
}
Case problem = ctx.GetCurrentCase();
if (problem == null)
{
throw new ContextException(
"interface ICBRContext's GetCurrentCase return null");
}
ArrayList list = problem.GetFeatures();
for (int i = 0; i < list.Count; i++)
{
Feature f = (Feature)list[i];
if (f.GetIsKey() && TypeHandle.IsNumericFeature(f))
{
//compute the mean value of features
f.SetFeatureValue(ComputeMeanValue(stats,
f.GetFeatureName()));
}
}
return(problem);
}
public string ParseConditions(string src)
{
if (src == null ||
src.Trim().Length <= 0)
{
return(null);
}
string dst = src;
ICBRContext ctx = CBRContextManager.GetCBRContext(_env);
Case c = ctx.GetCurrentCase();
ArrayList features = c.GetFeatures();
foreach (Feature f in features)
{
string name = TOKEN_SHARP + f.GetFeatureName() + TOKEN_SHARP;
if (f.GetFeatureValue() != null)
{
dst = dst.Replace(name, f.GetFeatureValue().ToString());
}
}
return(dst);
}
