public IList <LogicResult> GetQuerySolutions(string query)
{
query = query.Trim();
query = query.AddEndDot();
fEngine.Query = query;
var retVal = new List <LogicResult>();
foreach (var solution in fEngine.SolutionIterator)
{
var returnedSolution = new LogicResult();
returnedSolution.IsLast = solution.IsLast;
returnedSolution.Solution = solution.ToString();
returnedSolution.Solved = solution.Solved;
returnedSolution.Variables = new List <Variable>();
foreach (var variableBinding in solution.VarValuesIterator)
{
returnedSolution.Variables.Add(new Variable()
{
Name = variableBinding.Name,
TextValue = variableBinding.Value.ToString(),
DataType = variableBinding.DataType
});
}
retVal.Add(returnedSolution);
}
return(retVal);
}
public void Test_AM()
{
var service = new LogicService();
service.AddFact("fish(\"Poecilia reticulata\")");
service.AddFact("fish(\"Xiphophorus hellerii\")");
IList <LogicResult> queryResult = service.GetQuerySolutions("fish(X)");
Assert.AreEqual(2, queryResult.Count);
LogicResult solution = queryResult[0];
Assert.AreEqual(1, solution.Variables.Count);
var varSubst = solution.Variables[0];
Assert.AreEqual("X", varSubst.Name);
Assert.AreEqual("\"Poecilia reticulata\"", varSubst.TextValue);
solution = queryResult[1];
Assert.AreEqual(1, solution.Variables.Count);
varSubst = solution.Variables[0];
Assert.AreEqual("X", varSubst.Name);
Assert.AreEqual("\"Xiphophorus hellerii\"", varSubst.TextValue);
}
public void Test_EnumerateVariables()
{
var service = new LogicService();
var addFactResult = service.AddFact("dog(ripley)");
AssertResponseOk(addFactResult);
addFactResult = service.AddFact("dog(charlie)");
AssertResponseOk(addFactResult);
addFactResult = service.AddFact("mammal(X):-dog(X)");
AssertResponseOk(addFactResult);
IList <LogicResult> queryResult = service.GetQuerySolutions("mammal(X)");
Assert.AreEqual(2, queryResult.Count);
LogicResult solution = queryResult[0];
Assert.AreEqual(1, solution.Variables.Count);
Assert.AreEqual("X", solution.Variables[0].Name);
Assert.AreEqual("ripley", solution.Variables[0].TextValue);
solution = queryResult[1];
Assert.AreEqual(1, solution.Variables.Count);
Assert.AreEqual("X", solution.Variables[0].Name);
Assert.AreEqual("charlie", solution.Variables[0].TextValue);
}
private void AssertResponseOk(LogicResult result)
{
Assert.IsTrue(result.Solved);
Assert.IsTrue(string.IsNullOrWhiteSpace(result.Message));
}
