public String EvaluateEmpty(String Operand, EXEScope Scope) { String Result = null; if (EXETypes.UnitializedName.Equals(Operand)) { Result = EXETypes.BooleanTrue; return(Result); } EXEReferencingVariable SingleInstanceVariable = Scope.FindReferencingVariableByName(Operand); if (SingleInstanceVariable != null) { if (SingleInstanceVariable.IsInitialized()) { Result = EXETypes.BooleanFalse; } else { Result = EXETypes.BooleanTrue; } return(Result); } EXEReferencingSetVariable MultiInstanceVariable = Scope.FindSetReferencingVariableByName(Operand); if (MultiInstanceVariable != null) { if (MultiInstanceVariable.GetReferencingVariables().Any()) { Result = EXETypes.BooleanFalse; } else { Result = EXETypes.BooleanTrue; } return(Result); } return(Result); }
public String EvaluateCardinality(String Operand, EXEScope Scope) { String Result = null; if (EXETypes.UnitializedName.Equals(Operand)) { Result = "0"; return(Result); } EXEReferencingVariable SingleInstanceVariable = Scope.FindReferencingVariableByName(Operand); if (SingleInstanceVariable != null) { if (SingleInstanceVariable.IsInitialized()) { Result = "1"; } else { Result = "0"; } return(Result); } EXEReferencingSetVariable MultiInstanceVariable = Scope.FindSetReferencingVariableByName(Operand); if (MultiInstanceVariable != null) { if (MultiInstanceVariable.GetReferencingVariables().Any()) { Result = MultiInstanceVariable.GetReferencingVariables().Count.ToString(); } else { Result = "0"; } return(Result); } return(Result); }