public ArrayList GetCases(Case c)
{
ArrayList cases = null;
if (_env == null)
{
throw new ContextException("environment variable is not set");
}
ICBRContext ctx = CBRContextManager.GetCBRContext(_env);
if (ctx == null)
{
throw new ContextException("not set the context");
}
int type = ctx.GetCaseBaseInputType();
if (type == CaseBaseInputType.TYPE_DB ||
type == CaseBaseInputType.TYPE_FILE
)
{
ICaseBaseInput input = (ICaseBaseInput)ctx.GetCaseBaseInput();
if (input == null)
{
throw new ContextException("not set the database input");
}
cases = input.GetCases(c);
}
else
{
throw new ContextException("not support case base type");
}
return(cases);
}
public void testGetCBRContext()
{
CBRContextManager.Load("engine1", path);
ICBRContext ctx = CBRContextManager.GetCBRContext("engine1"); //path);
System.Console.WriteLine(ctx.GetCaseBase().ToString());
System.Console.WriteLine(ctx.GetCaseBase().GetEnv());
System.Console.WriteLine(ctx.GetCaseBaseInput().ToString());
System.Console.WriteLine(ctx.GetCaseBaseInputType().ToString());
System.Console.WriteLine(ctx.GetCaseRestoreMethod().ToString());
System.Console.WriteLine(ctx.GetCaseRestoreMethod().GetEnv());
System.Console.WriteLine(ctx.GetCaseRetrievalMethod().ToString());
System.Console.WriteLine(ctx.GetCaseRetrievalMethod().GetEnv());
System.Console.WriteLine(ctx.GetCaseReuseMethod().ToString());
System.Console.WriteLine(ctx.GetCaseReuseMethod().GetEnv());
System.Console.WriteLine(ctx.GetCaseReuseStrategy().ToString());
System.Console.WriteLine(ctx.GetCaseReuseStrategy().GetEnv());
System.Console.WriteLine(ctx.GetSimilarity().ToString());
System.Console.WriteLine(ctx.GetSimilarity().GetEnv());
System.Console.WriteLine(ctx.GetSimilarityThrehold().ToString());
}
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);
}
/// <summary>
/// find case from case base
/// return null if not suitable case
/// otherwise retrurn case list
/// note that only *.ocbr and db type are supported
/// </summary>
/// <param name="c"></param>
/// <returns></returns>
public ArrayList GetCases(Case c)
{
if (_env == null)
{
System.Console.WriteLine("environment is not set");
return(null);
}
ICBRContext ctx = CBRContextManager.GetCBRContext(_env);
if (ctx == null)
{
throw new ContextException("context is null");
}
int type = ctx.GetCaseBaseInputType();
string url = ctx.GetCaseBaseURL();
if (type == CaseBaseInputType.TYPE_FILE)
{
IOCBRFile file = OCBRFileFactory.newInstance(url);
return(file.GetCases());
}
else if (type == CaseBaseInputType.TYPE_DB)
{
IDb db = DbFactory.newInstance(url);
db.SetEnv(_env); //set the conditions rules
return(db.GetCases());
}
else
{
System.Console.WriteLine("input case base type unsupported");
}
return(null);
}
