public void Test_InsertStepAndTransition()
{
Model model = new Model("SFC Test 1");
ProcedureFunctionChart pfc = new ProcedureFunctionChart(model, "SFC 1", "", Guid.NewGuid());
IPfcStepNode t0 = pfc.CreateStep("START", "", Guid.Empty);
IPfcStepNode t1 = pfc.CreateStep("FINISH", "", Guid.Empty);
pfc.Bind(t0, t1);
string structureString = PfcDiagnostics.GetStructure(pfc);
Console.WriteLine("Structure is \r\n" + structureString);
// Get reference to old successor
IPfcNode pfcNode = pfc.Nodes["T_000"];
IPfcNode oldSuccessorNode = pfcNode.SuccessorNodes[0];
// Add the step
IPfcStepNode newStep = pfc.CreateStep("STEP_1", "", Guid.Empty);
IPfcTransitionNode newTrans = pfc.CreateTransition();
// We are adding a step following a transition - binding is from selectedTrans-newStep-newTrans-oldSuccessorStep
pfc.Bind(pfcNode, newStep);
pfc.Bind(newStep, newTrans);
pfc.Bind(newTrans, oldSuccessorNode);
// Disconnect old successor
pfc.Unbind(pfcNode, oldSuccessorNode);
structureString = PfcDiagnostics.GetStructure(pfc);
Console.WriteLine("Structure is \r\n" + structureString);
Assert.IsTrue(structureString.Equals("{START-->[L_000(SFC 1.Root)]-->T_000}\r\n{T_000-->[L_002(SFC 1.Root)]-->STEP_1}\r\n{STEP_1-->[L_003(SFC 1.Root)]-->T_001}\r\n{T_001-->[L_004(SFC 1.Root)]-->FINISH}\r\n"));
}
private void _TestTransitionToTransitionBinding()
{
string testName = "Transition-to-Transition binding, maintaining SFC Compliance";
Model model = new Model("SFC Test 1");
ProcedureFunctionChart pfc = new ProcedureFunctionChart(model, "SFC 1", "", Guid.NewGuid());
IPfcTransitionNode s1 = pfc.CreateTransition("Alice", "", Guid.Empty);
IPfcTransitionNode s2 = pfc.CreateTransition("Bob", "", Guid.Empty);
//IPfcTransitionNode s3 = pfc.CreateTransition("Charlie", "", Guid.Empty);
pfc.Bind(s1, s2);
string structureString = PfcDiagnostics.GetStructure(pfc);
Console.WriteLine("After a " + testName + ", structure is \r\n" + structureString);
}
/// <summary>
/// Evaluates the macro using the specified arguments.
/// </summary>
/// <param name="args">The arguments. This macro requires one argument,
/// the transition that owns it, and it must be of type <see cref="T:IPfcTransitionNode"/></param>
/// <returns>
/// The evaluated representation of the macro.
/// </returns>
protected override string Evaluate(object[] args)
{
IPfcTransitionNode node = (IPfcTransitionNode)args[0];
if (node.PredecessorNodes.Count > 0)
{
StringBuilder sb = new StringBuilder();
sb.Append("( ");
node.PredecessorNodes.ForEach(delegate(IPfcNode pred) { sb.Append("'" + pred.Name + "/BSTATUS' = '$recipe_state:Complete' AND "); });
string retval = sb.ToString();
retval = retval.Substring(0, retval.Length - " AND ".Length);
retval += " )";
return(retval);
}
else
{
return("TRUE");
}
}
private void UpdateClosureToken(IPfcTransitionNode closureTransition)
{
// Find the youngest common ancestor to all gazinta tokens.
IPfcNode yca = DivergenceNodeFor(closureTransition);
bool completeParallelConverge = AllParallelAndAtLeastOneOfEachSetOfSerialPathsContain(yca, closureTransition);
ValidationToken replacementToken =
completeParallelConverge ? // Are all of the root node's outbound
// paths closed by the closure node?
GetValidationData(yca).ValidationToken : // If so, its token is the closure token.
GetValidationData(closureTransition.PredecessorNodes[0]).ValidationToken; // If not, pick one of the gazinta tokens.
replacementToken.IncrementAlternatePathsOpen();
GetValidationData(closureTransition).ValidationToken = replacementToken;
if (m_diagnostics)
{
Console.WriteLine("\t\tAssigning {0} ({1}) to {2} on its closure.", replacementToken.Name,
replacementToken.AlternatePathsOpen, closureTransition.Name);
}
}
internal void ResolveUnknowns()
{
if (m_hasUnknowns)
{
List <ExpressionElement> temp = m_elements;
m_elements = new List <ExpressionElement>();
foreach (ExpressionElement ee in temp)
{
if (ee is UnknownReferenceElement)
{
Guid guid = ee.Guid;
if (m_participantDirectory.Contains(guid))
{
m_elements.Add(m_participantDirectory[guid]);
}
else
{
IPfcTransitionNode trans = m_owner as IPfcTransitionNode;
string msg;
if (trans != null)
{
msg = string.Format("Failed to map Guid {0} into an object on behalf of {1} in Pfc {2}.", guid, trans.Name, trans.Parent.Name);
}
else
{
msg = string.Format("Failed to map Guid {0} into an object on behalf of {1}.", guid, m_owner);
}
throw new ApplicationException(msg);
}
}
else
{
m_elements.Add(ee);
}
}
m_hasUnknowns = false;
}
}
public void Test_SynchronizerConstruct_Transitions()
{
Model model = new Model("SFC Test 1");
ProcedureFunctionChart pfc = new ProcedureFunctionChart(model, "SFC 1", "", Guid.NewGuid());
IPfcTransitionNode t0 = pfc.CreateTransition("T_Alice", "", Guid.Empty);
IPfcTransitionNode t1 = pfc.CreateTransition("T_Bob", "", Guid.Empty);
IPfcTransitionNode t2 = pfc.CreateTransition("T_Charley", "", Guid.Empty);
IPfcTransitionNode t3 = pfc.CreateTransition("T_David", "", Guid.Empty);
IPfcTransitionNode t4 = pfc.CreateTransition("T_Edna", "", Guid.Empty);
IPfcTransitionNode t5 = pfc.CreateTransition("T_Frank", "", Guid.Empty);
IPfcTransitionNode t6 = pfc.CreateTransition("T_Gary", "", Guid.Empty);
IPfcTransitionNode t7 = pfc.CreateTransition("T_Hailey", "", Guid.Empty);
pfc.Synchronize(new IPfcTransitionNode[] { t0, t1, t2, t3 }, new IPfcTransitionNode[] { t4, t5, t6, t7 });
string structureString = PfcDiagnostics.GetStructure(pfc);
string shouldBe = "{T_Alice-->[L_000(SFC 1.Root)]-->S_000}\r\n{S_000-->[L_001(SFC 1.Root)]-->T_000}\r\n{T_Bob-->[L_002(SFC 1.Root)]-->S_001}\r\n{S_001-->[L_003(SFC 1.Root)]-->T_000}\r\n{T_Charley-->[L_004(SFC 1.Root)]-->S_002}\r\n{S_002-->[L_005(SFC 1.Root)]-->T_000}\r\n{T_David-->[L_006(SFC 1.Root)]-->S_003}\r\n{S_003-->[L_007(SFC 1.Root)]-->T_000}\r\n{T_000-->[L_008(SFC 1.Root)]-->S_004}\r\n{S_004-->[L_009(SFC 1.Root)]-->T_Edna}\r\n{T_000-->[L_010(SFC 1.Root)]-->S_005}\r\n{S_005-->[L_011(SFC 1.Root)]-->T_Frank}\r\n{T_000-->[L_012(SFC 1.Root)]-->S_006}\r\n{S_006-->[L_013(SFC 1.Root)]-->T_Gary}\r\n{T_000-->[L_014(SFC 1.Root)]-->S_007}\r\n{S_007-->[L_015(SFC 1.Root)]-->T_Hailey}\r\n";
Console.WriteLine("After a synchronization of transitions, structure is \r\n" + structureString);
Assert.AreEqual(structureString, shouldBe, "Structure should have been\r\n" + shouldBe + "\r\nbut it was\r\n" + structureString + "\r\ninstead.");
if (m_runSFCs)
{
TestEvaluator testEvaluator = new TestEvaluator(new IPfcTransitionNode[] { t0, t1, t2, t3, t4, t5, t6, t7 });
testEvaluator.NextExpectedActivations = new IPfcTransitionNode[] { t0, t1, t2, t3, t4, t5, t6, t7 };
foreach (IPfcNode ilinkable in new IPfcTransitionNode[] { t0, t1, t2, t3 })
{
Console.WriteLine("Incrementing " + ilinkable.Name + ".");
//ilinkable.Increment();
throw new ApplicationException("PFCs are not currently executable.");
}
testEvaluator.NextExpectedActivations = new IPfcTransitionNode[] { }; // Ensure it's empty and all have fired.
}
}
public void Test_RemoveStep()
{
string testName = "PFC With Simultaneous Branch";
IModel model = new Model(testName);
/*
* START
* + {T1}
* STEP1
* + (T2)
* STEP2 STEP3
* | + (T3)
* | STEP4
* + (T4)
* STEP5
* + (T5)
* FINISH
*/
ProcedureFunctionChart pfc = new ProcedureFunctionChart(model, testName);
IPfcNode startStep = pfc.CreateStep("START", string.Empty, Guid.NewGuid());
IPfcNode step1 = pfc.CreateStep("STEP1", string.Empty, Guid.NewGuid());
IPfcNode step2 = pfc.CreateStep("STEP2", string.Empty, Guid.NewGuid());
IPfcNode step3 = pfc.CreateStep("STEP3", string.Empty, Guid.NewGuid());
IPfcNode step4 = pfc.CreateStep("STEP4", string.Empty, Guid.NewGuid());
IPfcNode step5 = pfc.CreateStep("STEP5", string.Empty, Guid.NewGuid());
IPfcNode finishStep = pfc.CreateStep("FINISH", string.Empty, Guid.NewGuid());
IPfcNode t1 = pfc.CreateTransition("T1", string.Empty, Guid.NewGuid());
IPfcNode t2 = pfc.CreateTransition("T2", string.Empty, Guid.NewGuid());
IPfcNode t3 = pfc.CreateTransition("T3", string.Empty, Guid.NewGuid());
IPfcNode t4 = pfc.CreateTransition("T4", string.Empty, Guid.NewGuid());
IPfcNode t5 = pfc.CreateTransition("T4", string.Empty, Guid.NewGuid());
pfc.Bind(startStep, t1);
pfc.Bind(t1, step1);
pfc.Bind(step1, t2);
pfc.Bind(t2, step2);
pfc.Bind(t2, step3);
pfc.Bind(step2, t4);
pfc.Bind(step3, t3);
pfc.Bind(t3, step4);
pfc.Bind(step4, t4);
pfc.Bind(t4, step5);
pfc.Bind(step5, t5);
pfc.Bind(t5, finishStep);
/* Delete Step4 and T3*/
// Need to delete the predecessor transition
IPfcTransitionNode predecessorTrans = (IPfcTransitionNode)step4.PredecessorNodes[0];
Assert.IsTrue(predecessorTrans.Name == t3.Name, "The predecessor trans should be T3");
IPfcStepNode predecessorStep = (IPfcStepNode)predecessorTrans.PredecessorNodes[0];
Assert.IsTrue(predecessorStep.Name == step3.Name, "The predecessor step should be STEP3");
IPfcTransitionNode successorTrans = (IPfcTransitionNode)step4.SuccessorNodes[0];
Assert.IsTrue(successorTrans.Name == t4.Name, "The successor trans should be T4");
// Connect the predecessor step to the successor transition
pfc.Bind(predecessorStep, successorTrans);
// Unbind the existing path from the predecessor step to the successor transition
pfc.Unbind(predecessorStep, predecessorTrans);
pfc.Unbind(predecessorTrans, step4);
pfc.Unbind(step4, successorTrans);
// Delete the predecessor transition
pfc.Delete(predecessorTrans);
// Delete step
pfc.Delete(step4);
Assert.IsTrue(pfc.Transitions[t3.Name] == null, "T3 Should be Deleted");
Assert.IsTrue(pfc.Steps[step4.Name] == null, "Step4 Should be Deleted");
}
public TransitionStateMachine StateMachineForTransition(IPfcTransitionNode trans)
{
return(m_transitionStateMachines[trans]);
}
public void TestSequencers()
{
Model model = new Model("MyTestModel");
ProcedureFunctionChart pfc = new ProcedureFunctionChart(model, "RootPfc");
pfc.ExecutionEngineConfiguration = new ExecutionEngineConfiguration();
// Start
// |
// + T_Start
// |
// =====================================
// | | | | |
// Step0 Step1 Step2 Step3 Step4
// | | | | |
// =====================================
// |
// + Finis
//
// (We want to run these in order "Step3", "Step1", "Step4", "Step2", "Step0")
#region Create PFC
IPfcStepNode start = pfc.CreateStep("Start", null, Guid.NewGuid());
IPfcTransitionNode startTrans = pfc.CreateTransition("T_Start", null, Guid.NewGuid());
pfc.Bind(start, startTrans);
IPfcTransitionNode finis = pfc.CreateTransition("Finish", null, Guid.NewGuid());
for (int i = 0; i < 5; i++)
{
IPfcStepNode step = pfc.CreateStep("Step" + i, null, Guid.NewGuid());
pfc.Bind(startTrans, step);
pfc.Bind(step, finis);
}
#endregion Create PFC
Guid sequencerKey = Guid.NewGuid();
string[] stepSeq = new string[] { "Step4", "Step3", "Step2", "Step1", "Step0" };
for (int n = 0; n < 10; n++)
{
Console.WriteLine("\r\n\r\n========================================================\r\nStarting test iteration # " + n + ":\r\n");
stepSeq = Shuffle(stepSeq);
Console.WriteLine("Expecting sequence " + StringOperations.ToCommasAndAndedList(new List <string>(stepSeq)));
int j = 0;
StringBuilder sb = new StringBuilder();
foreach (string stepNodeName in stepSeq)
{
IPfcStepNode step = pfc.Steps[stepNodeName];
step.Precondition = new Sequencer(sequencerKey, j++).Precondition;
step.LeafLevelAction = new PfcAction(delegate(PfcExecutionContext pfcec, StepStateMachine ssm) { sb.Append("Running " + ssm.MyStep.Name + " "); });
}
model.Executive.RequestEvent(
new ExecEventReceiver(pfc.Run),
DateTime.MinValue,
0.0,
new PfcExecutionContext(pfc, "PFCEC", null, Guid.NewGuid(), null), ExecEventType.Detachable);
pfc.Model.Start();
Console.Out.Flush();
string tgtString = string.Format(@"Running {0} Running {1} Running {2} Running {3} Running {4} ",
stepSeq[0], stepSeq[1], stepSeq[2], stepSeq[3], stepSeq[4]);
System.Diagnostics.Debug.Assert(sb.ToString().Equals(tgtString));
pfc.Model.Executive.Reset();
Console.WriteLine("========================================================");
}
}
public static ProcedureFunctionChart CreateRandomPFC(int nSteps, int seed)
{
Guid mask = GuidOps.FromString(string.Format("{0}, {1}", nSteps, seed));
Guid seedGuid = GuidOps.FromString(string.Format("{0}, {1}", seed, nSteps));
int rotate = 3;
GuidGenerator guidGen = new GuidGenerator(seedGuid, mask, rotate);
PfcElementFactory pfcef = new PfcElementFactory(guidGen);
ProcedureFunctionChart pfc = new ProcedureFunctionChart(new Highpoint.Sage.SimCore.Model("Test model", Guid.NewGuid()), "Name", "", guidGen.Next(), pfcef);
IPfcStepNode start = pfc.CreateStep("Start", "", Guid.Empty);
IPfcStepNode step1 = pfc.CreateStep("Step1", "", Guid.Empty);
IPfcStepNode finish = pfc.CreateStep("Finish", "", Guid.Empty);
pfc.Bind(start, step1);
pfc.Bind(step1, finish);
Console.WriteLine("Seed = {0}.", seed);
Random r = new Random(seed);
while (pfc.Steps.Count < nSteps)
{
double steeringValue = r.NextDouble();
if (steeringValue < .5)
{
// Insert a step in series.
IPfcLinkElement link = pfc.Links[r.Next(0, pfc.Links.Count - 1)];
IPfcStepNode stepNode = pfc.CreateStep();
pfc.Bind(link.Predecessor, stepNode);
pfc.Bind(stepNode, link.Successor);
//Console.WriteLine("Inserted {0} between {1} and {2}.", stepNode.Name, link.Predecessor.Name, link.Successor.Name);
link.Detach();
}
else if (steeringValue < .666)
{
// Insert a step in parallel.
for (int i = 0; i < 50; i++) // Try, but give up if don't find suitable step.
{
IPfcStepNode target = pfc.Steps[r.Next(0, pfc.Steps.Count - 1)];
if (target.PredecessorNodes.Count == 1 && target.SuccessorNodes.Count == 1)
{
IPfcStepNode stepNode = pfc.CreateStep();
pfc.Bind(target.PredecessorNodes[0], stepNode);
pfc.Bind(stepNode, target.SuccessorNodes[0]);
//Console.WriteLine("Inserted {0} parallel to {1}.", stepNode.Name, target.Name);
break;
}
}
}
else if (steeringValue < .833)
{
// Insert a branch
for (int i = 0; i < 50; i++) // Try, but give up if don't find suitable step.
{
IPfcStepNode step = pfc.Steps[r.Next(0, pfc.Steps.Count - 1)];
if (step.PredecessorNodes.Count == 1 && step.SuccessorNodes.Count == 1)
{
IPfcStepNode entryStep = pfc.CreateStep(step.Name + "_IN", null, Guid.Empty);
IPfcStepNode exitStep = pfc.CreateStep(step.Name + "_OUT", null, Guid.Empty);
IPfcStepNode leftStep = pfc.CreateStep(step.Name + "_LFT", null, Guid.Empty);
IPfcStepNode rightStep = pfc.CreateStep(step.Name + "_RGT", null, Guid.Empty);
pfc.Bind(step.PredecessorNodes[0], entryStep);
pfc.Bind(entryStep, leftStep);
pfc.Bind(entryStep, rightStep);
pfc.Bind(leftStep, exitStep);
pfc.Bind(rightStep, exitStep);
pfc.Bind(exitStep, step.SuccessorNodes[0]);
pfc.Unbind(step.PredecessorNodes[0], step);
pfc.Unbind(step, step.SuccessorNodes[0]);
//Console.WriteLine("Inserted a branch in place of {0}.", step.Name);
break;
}
}
}
else
{
for (int i = 0; i < 50; i++) // Try, but give up if don't find suitable step.
{
IPfcTransitionNode trans = pfc.Transitions[r.Next(0, pfc.Transitions.Count - 1)];
if (trans.PredecessorNodes.Count == 1 && trans.SuccessorNodes.Count == 1)
{
IPfcStepNode successor = (IPfcStepNode)trans.SuccessorNodes[0];
IPfcStepNode subject = pfc.CreateStep();
pfc.Bind(trans, subject);
pfc.Bind(subject, successor);
pfc.Unbind(trans, successor);
IPfcStepNode loopback = pfc.CreateStep();
pfc.Bind(subject, loopback);
pfc.Bind(loopback, subject);
//Console.WriteLine("Inserted {0} between {1} and {2}, and created a branchback around it using {3}.",
// subject.Name, trans.PredecessorNodes[0].Name, successor.Name, loopback.Name);
break;
}
}
//// insert a loopback
//IPfcStepNode step;
//do { step = pfc.Steps[r.Next(0, pfc.Steps.Count - 1)]; } while (step == start || step == finish);
//IPfcStepNode newNode = pfc.CreateStep();
//pfc.Bind(step, newNode);
//pfc.Bind(newNode, step);
//Console.WriteLine("Inserted a loopback around {0} using new step, {1}.", step.Name, newNode.Name);
}
//IPfcStepNode origin = pfc.Steps[r.Next(0, pfc.Steps.Count - 1)];
//if (origin.Equals(finish)) continue;
//if (r.NextDouble() < .2) {
// IPfcStepNode stepNode = pfc.CreateStep();
// IPfcNode target = origin.SuccessorNodes[r.Next(0, origin.SuccessorNodes.Count - 1)];
// // Insert a step in series.
// pfc.Bind(origin, stepNode);
// pfc.Bind(stepNode, target);
// pfc.Unbind(origin, target);
// Console.WriteLine("Inserting {0} between {1} and {2}.",
// stepNode.Name, origin.Name, target.Name);
//} else if (r.NextDouble() < .55) {
// // Insert a step in parallel
// if (origin.PredecessorNodes.Count == 1 && origin.SuccessorNodes.Count == 1) {
// origin = origin.PredecessorNodes[0];
// target = origin.SuccessorNodes[0];
// pfc.Bind(origin, stepNode);
// pfc.Bind(stepNode, target);
// Console.WriteLine("Inserting {0} parallel to {1} - between {2} and {3}.",
// stepNode.Name, parallelTo.Name, origin.Name, target.Name);
// }
//} else {
// // Insert a loopback or branchforward.
// IPfcNode target = null;
// string parallelType = null;
// if (!origin.PredecessorNodes.Contains(start) && r.NextDouble() < .5) {
// target = origin;
// parallelType = "loopback";
// } else if (origin.SuccessorNodes.Count==1 && origin.PredecessorNodes==1) {
// target = origin.SuccessorNodes[r.Next(0, origin.SuccessorNodes.Count - 1)];
// parallelType = "branch forward";
// }
// if (target != null) {
// IPfcStepNode stepNode = pfc.CreateStep();
// pfc.Bind(origin, stepNode);
// pfc.Bind(stepNode, target);
// Console.WriteLine("Inserting {0} around {1} to {2}, with {3} on the new alternate path.",
// parallelType, origin.Name, target.Name, stepNode.Name);
// }
//}
}
return(pfc);
}
public TransitionStateMachine(IPfcTransitionNode myTransition)
{
m_myTransition = myTransition;
m_predecessors = new List <StepStateMachine>();
m_successors = new List <StepStateMachine>();
}
