} // End Sub BaseTestString
public static void TestMe()
{
// ls.Add(new TopologicObject("bar"));
// ls.Add(new TopologicObject("foo"));
// ls.Add(new DB.Topology.TopologicObject("foobar").DependsOn("foo").DependsOn("bar") );
// ls.Add(new TopologicObject("omg").DependsOn("foo"));
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
System.Collections.Generic.List <string> ret = Kahn.Sort(
new System.Collections.Generic.HashSet <string>(new string[] { "bar", "foo", "foobar", "omg" }),
new System.Collections.Generic.HashSet <System.Tuple <string, string> >(
new[]
{
// System.Tuple.Create("foobar", "foo")
//,System.Tuple.Create("foobar", "bar")
//,System.Tuple.Create("omg", "foo")
// System.Tuple.Create(Dependency, DependencyOwner);
System.Tuple.Create("foo", "foobar")
, System.Tuple.Create("bar", "foobar")
, System.Tuple.Create("foo", "omg")
}
)
);
sw.Stop();
long ems = sw.ElapsedMilliseconds;
System.Console.WriteLine($"Duration Kahn:\t{ems}");
} // End Sub TestMe
} // End Sub BaseTestInteger
public static void BaseTestString()
{
System.Collections.Generic.List <string> ret = Kahn.Sort(
new System.Collections.Generic.HashSet <string>(new[] { "A", "B", "C", "D", "E", "F", "G", "H" }),
new System.Collections.Generic.HashSet <System.Tuple <string, string> >(
new[]
{
System.Tuple.Create("A", "E"),
System.Tuple.Create("A", "D"),
System.Tuple.Create("B", "E"),
System.Tuple.Create("C", "D"),
System.Tuple.Create("C", "H"),
System.Tuple.Create("E", "F"),
System.Tuple.Create("E", "G"),
System.Tuple.Create("E", "H"),
System.Tuple.Create("D", "G")
}
)
);
System.Console.WriteLine(ret);
System.Diagnostics.Debug.Assert(ret.SequenceEqual(new[] { "A", "B", "E", "F", "C", "D", "G", "H" }));
System.Console.WriteLine("Finished");
} // End Sub BaseTestString
private static void BaseTestInteger()
{
//
// digraph G {
// "7" -> "11"
// "7" -> "8"
// "5" -> "11"
// "3" -> "8"
// "3" -> "10"
// "11" -> "2"
// "11" -> "9"
// "11" -> "10"
// "8" -> "9"
// }
System.Collections.Generic.List <int> ret = Kahn.Sort(
new System.Collections.Generic.HashSet <int>(new[] { 7, 5, 3, 8, 11, 2, 9, 10 }),
new System.Collections.Generic.HashSet <System.Tuple <int, int> >(
new[]
{
System.Tuple.Create(7, 11),
System.Tuple.Create(7, 8),
System.Tuple.Create(5, 11),
System.Tuple.Create(3, 8),
System.Tuple.Create(3, 10),
System.Tuple.Create(11, 2),
System.Tuple.Create(11, 9),
System.Tuple.Create(11, 10),
System.Tuple.Create(8, 9)
}
)
);
System.Console.WriteLine(ret);
System.Diagnostics.Debug.Assert(ret.SequenceEqual(new[] { 7, 5, 11, 2, 3, 8, 9, 10 }));
} // End Sub BaseTestInteger
} // End Sub TestMe
public static void TestWithWrapper()
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
System.Collections.Generic.Dictionary <string, int> dict =
new System.Collections.Generic.Dictionary <string, int>(
System.StringComparer.InvariantCultureIgnoreCase
);
System.Collections.Generic.List <TopologicObject> ls =
new System.Collections.Generic.List <TopologicObject>();
ls.Add(new TopologicObject("bar"));
ls.Add(new TopologicObject("foo"));
ls.Add(new TopologicObject("foobar")
.DependsOn("foo").DependsOn("bar")
);
ls.Add(new TopologicObject("omg").DependsOn("foo"));
for (int i = 0; i < ls.Count; ++i)
{
ls[i].Index = i;
dict.Add(ls[i].Name, i);
} // Next i
for (int i = 0; i < ls.Count; ++i)
{
for (int j = 0; j < ls[i].Dependencies.Count; ++j)
{
int key = dict[ls[i].Dependencies[j].Name];
ls[i].Dependencies[j].Index = key;
} // Next j
} // Next i
System.Collections.Generic.HashSet <int> hsAllObjects =
new System.Collections.Generic.HashSet <int>();
System.Collections.Generic.HashSet <System.Tuple <int, int> > hsDependence =
new System.Collections.Generic.HashSet <System.Tuple <int, int> >();
for (int i = 0; i < ls.Count; ++i)
{
hsAllObjects.Add(i);
} // Next i
for (int i = 0; i < ls.Count; ++i)
{
for (int j = 0; j < ls[i].Dependencies.Count; ++j)
{
hsDependence.Add(System.Tuple.Create(ls[i].Dependencies[j].Index, i));
} // Next j
} // Next i
System.Collections.Generic.List <int> ret = Kahn.Sort(hsAllObjects, hsDependence);
string[] sret = new string[ret.Count];
for (int i = 0; i < ret.Count; ++i)
{
sret[i] = ls[ret[i]].Name;
} // Next i
sw.Stop();
long durKahn = sw.ElapsedMilliseconds;
// sret = sret.Reverse().ToArray();
System.Console.WriteLine(sret);
// And the winner is: NOT KAHN !
System.Console.WriteLine("{0}, {1}", durKahn);
} // End Sub TestWithWrapper
