public Dictionary <String, String> GetRefStateAttrsDictRecursive(CDClassPool ExecutionSpace)
{
Dictionary <String, String> Result = new Dictionary <String, String>();
EXEScope CurrentScope = this;
while (CurrentScope != null)
{
foreach (EXEReferencingVariable Var in CurrentScope.ReferencingVariables)
{
CDClassInstance Inst = Var.RetrieveReferencedClassInstance(ExecutionSpace);
if (Inst == null)
{
continue;
}
foreach (var Attribute in Inst.GetStateWithoutID())
{
Result[Var.Name + "." + Attribute.Key] = Attribute.Value;
}
}
CurrentScope = CurrentScope.SuperScope;
}
return(Result);
}
public Dictionary <String, String> GetSetRefStateAttrsDictRecursive(CDClassPool ExecutionSpace, String VarName)
{
Dictionary <String, String> Result = new Dictionary <String, String>();
EXEReferencingSetVariable SetVar = this.FindSetReferencingVariableByName(VarName);
if (SetVar == null)
{
return(Result);
}
int i = 0;
Console.WriteLine(VarName + " has cardinality " + SetVar.GetReferencingVariables().Count());
foreach (EXEReferencingVariable Var in SetVar.GetReferencingVariables())
{
CDClassInstance Inst = Var.RetrieveReferencedClassInstance(ExecutionSpace);
if (Inst == null)
{
i++;
continue;
}
foreach (var Attribute in Inst.GetStateWithoutID())
{
Result[VarName + "[" + i + "]." + Attribute.Key] = Attribute.Value;
}
i++;
}
return(Result);
}
public String Evaluate(EXEScope Scope, CDClassPool ExecutionSpace)
{
String Result = null;
String ValueType = EXETypes.DetermineVariableType("", this.Value);
if (ValueType == null)
{
return(Result);
}
// If we have simple value, e.g. 5, 3.14, "hi Madelyn", we are good
if (!EXETypes.ReferenceTypeName.Equals(ValueType))
{
Result = this.Value;
}
// We got here because we have a variable name, the variable is of primitive value
else if (EXETypes.ReferenceTypeName.Equals(ValueType))
{
EXEPrimitiveVariable ThisVariable = Scope.FindPrimitiveVariableByName(this.Value);
if (ThisVariable != null)
{
Result = ThisVariable.Value;
}
}
/*Console.WriteLine("Operand: " + this.Value);
* Console.WriteLine("Result: " + Result);*/
return(Result);
}
public void AnimateDistributors()
{
CDClassPool cp = new CDClassPool();
CDRelationshipPool rp = new CDRelationshipPool();
cp.SpawnClass("Outer Control Class");
cp.SpawnClass("Order");
cp.SpawnClass("Careful Distributor");
cp.SpawnClass("Regular Distributor");
cp.SpawnClass("Messenger");
cp.SpawnClass("Line Item");
CDRelationship R1 = rp.SpawnRelationship("Outer Control Class", "Order");
CDRelationship R2 = rp.SpawnRelationship("Careful Distributor", "Order");
CDRelationship R3 = rp.SpawnRelationship("Regular Distributor", "Order");
CDRelationship R4 = rp.SpawnRelationship("Messenger", "Order");
EXEScope OALProgramSuperscope = new EXEScope();
EXECommandQueryCreate CreateQuery1 = new EXECommandQueryCreate("Outer Control Class", "ooc");
EXECommandQueryCreate CreateQuery2 = new EXECommandQueryCreate("Order", "order");
EXECommandQueryCreate CreateQuery3 = new EXECommandQueryCreate("Careful Distributor", "car_distrib");
EXECommandQueryCreate CreateQuery4 = new EXECommandQueryCreate("Regular Distributor", "reg_distrib");
EXECommandQueryCreate CreateQuery5 = new EXECommandQueryCreate("Messenger", "messenger");
OALProgramSuperscope.AddCommand(CreateQuery1);
OALProgramSuperscope.AddCommand(CreateQuery2);
OALProgramSuperscope.AddCommand(CreateQuery3);
OALProgramSuperscope.AddCommand(CreateQuery4);
OALProgramSuperscope.AddCommand(CreateQuery5);
for (int i = 0; i < 3; i++)
{
OALProgramSuperscope.AddCommand(new EXECommandQueryCreate("Line Item", "li" + i));
}
EXECommandQueryRelate RelQuery1 = new EXECommandQueryRelate("ooc", "order", R1.RelationshipName);
EXECommandQueryRelate RelQuery2 = new EXECommandQueryRelate("car_distrib", "order", R2.RelationshipName);
EXECommandQueryRelate RelQuery3 = new EXECommandQueryRelate("reg_distrib", "order", R3.RelationshipName);
EXECommandQueryRelate RelQuery4 = new EXECommandQueryRelate("messenger", "order", R4.RelationshipName);
OALProgramSuperscope.AddCommand(RelQuery1);
OALProgramSuperscope.AddCommand(RelQuery2);
OALProgramSuperscope.AddCommand(RelQuery3);
OALProgramSuperscope.AddCommand(RelQuery4);
EXECommandCall Call1 = new EXECommandCall("ooc", "InitiateDispatch", R1.RelationshipName, "order", "dispatch");
EXECommandQuerySelect SelectSetQuery = new EXECommandQuerySelect(EXECommandQuerySelect.CardinalityMany, "Line Item", "line_items");
OALProgramSuperscope.AddCommand(Call1);
OALProgramSuperscope.AddCommand(SelectSetQuery);
EXEScopeForEach ForEachCommand = new EXEScopeForEach("current_li", "line_items");
// EXEScopeCondition IfCommand = new EXEScopeCondition(new EXEASTNodeLeaf(EXETypes.BooleanTrue));
}
// SetUloh1
public CDClassInstance RetrieveReferencedClassInstance(CDClassPool ExecutionSpace)
{
CDClass Class = ExecutionSpace.getClassByName(this.ClassName);
if (Class == null)
{
return(null);
}
CDClassInstance Instance = Class.GetInstanceByID(this.ReferencedInstanceId);
return(Instance);
}
public bool VerifyReferences(EXEScope Scope, CDClassPool ExecutionSpace)
{
bool Result = false;
if (!EXETypes.ReferenceTypeName.Equals(EXETypes.DetermineVariableType("", this.Value)))
{
Result = true;
}
else
{
Result = Scope.VariableNameExists(this.Value);
}
return(Result);
}
public Dictionary <String, String> GetRefStateAttrsDictRecursive(CDClassPool ExecutionSpace, String VarName)
{
Dictionary <String, String> Result = new Dictionary <String, String>();
EXEReferencingVariable Var = this.FindReferencingVariableByName(VarName);
if (Var == null)
{
return(Result);
}
CDClassInstance Inst = Var.RetrieveReferencedClassInstance(ExecutionSpace);
if (Inst == null)
{
return(Result);
}
foreach (var Attribute in Inst.GetStateWithoutID())
{
Result[VarName + "." + Attribute.Key] = Attribute.Value;
}
return(Result);
}
public Dictionary <String, String> GetAllHandleStateAttrsDictRecursive(CDClassPool ExecutionSpace)
{
Dictionary <String, String> Result = new Dictionary <String, String>();
Dictionary <String, String> Temp;
foreach (EXEReferencingVariable Var in this.ReferencingVariables)
{
Temp = this.GetRefStateAttrsDictRecursive(ExecutionSpace, Var.Name);
Temp.ToList().ForEach(x => Result.Add(x.Key, x.Value));
}
foreach (EXEReferencingSetVariable Var in this.SetReferencingVariables)
{
Temp = this.GetSetRefStateAttrsDictRecursive(ExecutionSpace, Var.Name);
Temp.ToList().ForEach(x => Result.Add(x.Key, x.Value));
}
if (this.SuperScope != null)
{
Temp = this.SuperScope.GetAllHandleStateAttrsDictRecursive(ExecutionSpace);
Temp.ToList().ForEach(x => Result.Add(x.Key, x.Value));
}
return(Result);
}
public String Evaluate(EXEScope Scope, CDClassPool ExecutionSpace)
{
String Result = null;
EXEExpressionEvaluator Evaluator = new EXEExpressionEvaluator();
EXEEvaluatorHandleOperators HandleEvaluator = new EXEEvaluatorHandleOperators();
EXEReferenceEvaluator AccessEvaluator = new EXEReferenceEvaluator();
// If we just calculate with ints, reals, bools, strings
if (Evaluator.IsSimpleOperator(this.Operation))
{
List <String> EvaluatedOperands = new List <String>();
foreach (EXEASTNode Operand in this.Operands)
{
EvaluatedOperands.Add(Operand.Evaluate(Scope, ExecutionSpace));
}
if (EvaluatedOperands.Contains(null))
{
return(Result);
}
//If we are returning real number, let's format it so that we don't have trouble with precision
Result = Evaluator.Evaluate(this.Operation, EvaluatedOperands);
/*Console.Write("AST Composite operation " + this.Operation + " has result ");
* Console.Write(Result == null ? "null" : Result);
* Console.WriteLine();*/
if (Result == null)
{
return(Result);
}
/* Console.WriteLine("Operation: " + this.Operation);
* Console.WriteLine("Result of operation" + (Result == null ? "null" : Result));*/
if (EXETypes.RealTypeName.Equals(EXETypes.DetermineVariableType("", Result)))
{
//Console.WriteLine("is real and needs formatting");
if (!Result.Contains("."))
{
Result = FormatDouble(Result);
}
if (!Result.Contains("."))
{
Result += ".0";
}
}
}
// If we have handle operators
else if (HandleEvaluator.IsHandleOperator(this.Operation))
{
Console.WriteLine("We have handle operator");
Result = HandleEvaluator.Evaluate(this.Operation, this.Operands.Select(x => ((EXEASTNodeLeaf)x).GetNodeValue()).ToList(), Scope);
}
// If we have access operator - we either access attribute or have decimal number. There are always 2 operands
else if (".".Equals(this.Operation) && this.Operands.Count == 2)
{
if (EXETypes.IntegerTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[0].GetNodeValue())) &&
EXETypes.IntegerTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[1].GetNodeValue()))
)
{
Result = this.Operands[0].GetNodeValue() + "." + this.Operands[1].GetNodeValue();
}
else if (EXETypes.ReferenceTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[0].GetNodeValue())) &&
EXETypes.ReferenceTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[1].GetNodeValue()))
)
{
Result = AccessEvaluator.EvaluateAttributeValue(this.Operands[0].GetNodeValue(), this.Operands[1].GetNodeValue(), Scope, ExecutionSpace);
}
}
return(Result);
}
public bool VerifyReferences(EXEScope Scope, CDClassPool ExecutionSpace)
{
bool Result = false;
EXEExpressionEvaluator Evaluator = new EXEExpressionEvaluator();
EXEEvaluatorHandleOperators HandleEvaluator = new EXEEvaluatorHandleOperators();
EXEReferenceEvaluator AccessEvaluator = new EXEReferenceEvaluator();
// If we just calculate with ints, reals, bools, strings
if (Evaluator.IsSimpleOperator(this.Operation))
{
foreach (EXEASTNode Operand in this.Operands)
{
if (!Operand.VerifyReferences(Scope, ExecutionSpace))
{
return(false);
}
}
Result = true;
}
// If we have handle operators
else if (HandleEvaluator.IsHandleOperator(this.Operation))
{
if (this.Operands.Count() == 1 && Scope.FindReferenceHandleByName(((EXEASTNodeLeaf)this.Operands[0]).GetNodeValue()) != null)
{
Result = true;
}
}
// If we have access operator - we either access attribute or have decimal number. There are always 2 operands
else if (".".Equals(this.Operation) && this.Operands.Count == 2)
{
if (EXETypes.IntegerTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[0].GetNodeValue())) &&
EXETypes.IntegerTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[1].GetNodeValue()))
)
{
Result = true;
}
else if (EXETypes.ReferenceTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[0].GetNodeValue())) &&
EXETypes.ReferenceTypeName.Equals(EXETypes.DetermineVariableType("", this.Operands[1].GetNodeValue()))
)
{
EXEReferencingVariable Variable = Scope.FindReferencingVariableByName(this.Operands[0].GetNodeValue());
if (Variable == null)
{
return(false);
}
CDClass Class = ExecutionSpace.getClassByName(Variable.ClassName);
if (Class == null)
{
return(false);
}
CDAttribute Attribute = Class.GetAttributeByName(this.Operands[1].GetNodeValue());
if (Attribute == null)
{
return(false);
}
CDClassInstance Instance = Variable.RetrieveReferencedClassInstance(ExecutionSpace);
if (Instance == null)
{
return(false);
}
Result = true;
}
}
return(Result);
}
//SetUloh1
// Similar as task above, but this time we set the attribute value to "NewValue" parameter
// But it's not that easy, you need to check if attribute type and NewValue type are the same (e.g. both are integer)
// To do that, you need to find the referencing variable's class (via Scope) and then the attribute's type (vie ExecutionSpace)
// When you know the type of attribute, use EXETypes.IsValidValue to see if you can or cannot assign that value to that attribute
// You assign it in Scope
// Return if you could assign it or not
// EXETypes.determineVariableType()
public Boolean SetAttributeValue(String ReferencingVariableName, String AttributeName, EXEScope Scope, CDClassPool ExecutionSpace, String NewValue)
{
EXEReferencingVariable ReferencingVariable = Scope.FindReferencingVariableByName(ReferencingVariableName);
if (ReferencingVariable == null)
{
return(false);
}
CDClassInstance ClassInstance = ExecutionSpace.GetClassInstanceById(ReferencingVariable.ClassName, ReferencingVariable.ReferencedInstanceId);
if (ClassInstance == null)
{
return(false);
}
CDClass Class = ExecutionSpace.getClassByName(ReferencingVariable.ClassName);
if (Class == null)
{
return(false);
}
CDAttribute Attribute = Class.GetAttributeByName(AttributeName);
if (Attribute == null)
{
return(false);
}
String NewValueType = EXETypes.DetermineVariableType(null, NewValue);
if (!EXETypes.CanBeAssignedToAttribute(AttributeName, Attribute.Type, NewValueType))
{
return(false);
}
ClassInstance.SetAttribute(AttributeName, EXETypes.AdjustAssignedValue(Attribute.Type, NewValue));
return(true);
}
//SetUloh1
// We have variable name, attribute name and scope, in which to look for variable
// We need to get the value of given attribute of given variable
// If this does not exist, return null
// You will use EXEScope.FindReferencingVariableByName() method, but you need to implement it first
// user.name
public String EvaluateAttributeValue(String ReferencingVariableName, String AttributeName, EXEScope Scope, CDClassPool ExecutionSpace)
{
EXEReferencingVariable ReferencingVariable = Scope.FindReferencingVariableByName(ReferencingVariableName);
if (ReferencingVariable == null)
{
return(null);
}
CDClassInstance ClassInstance = ExecutionSpace.GetClassInstanceById(ReferencingVariable.ClassName, ReferencingVariable.ReferencedInstanceId);
if (ClassInstance == null)
{
return(null);
}
return(ClassInstance.GetAttributeValue(AttributeName));
}