public virtual void AddEquation(LogicDefine.Equation toAdd)
{
LogicDefine.Equation match = this.GetEquation(toAdd.Id);
if (match == null)
{
this.WorkFlow.Equations.Add(toAdd);
}
}
void IFluentExpressionBuilder <T> .And(Action <IFluentExpressionBuilder <T> > first, Action <IFluentExpressionBuilder <T> > second)
{
string equationId = string.Empty;
//we are in a sub equation
if (this.epxressionStack.Count > 0)
{
string lastEquationId = this.epxressionStack.Peek().Id;
//string suffix = (this.epxressionStack.Count % 2 == 0) ? "2" : "1";
string suffix = equationSide.ToString();
equationId = lastEquationId + this.config.Convention.Delimeter + suffix;
}
else //we are at the root
{
string lastActivityId = this.activityStack.Peek().Id;
equationId = ConventionHelper.ChangePrefix(NamePrefixOptions.Activity, NamePrefixOptions.Equation, lastActivityId, this.config.Convention);
}
LogicDefine.Equation toAdd = new LogicDefine.Equation()
{
Condition = Logic.Operand.And,
Id = equationId
};
this.epxressionStack.Push(toAdd);
this.workflowManager.AddEquation(toAdd);
string firstId, secondId = null;
equationSide = 1;
first(this);
firstId = this.epxressionStack.Pop().ShortHand;
equationSide = 2;
second(this);
secondId = this.epxressionStack.Pop().ShortHand;
toAdd.First = firstId;
toAdd.Second = secondId;
//return new ExpressionRef(toAdd.ShortHand);
}
void IFluentExpressionBuilder <T> .ExpIsFalse(Action <IFluentExpressionBuilder <T> > If)
{
string equationId = string.Empty;
//we are in a sub equation
if (this.epxressionStack.Count > 0)
{
string lastEquationId = this.epxressionStack.Peek().Id;
string suffix = (this.epxressionStack.Count % 2 == 0) ? "2" : "1";
equationId = lastEquationId + this.config.Convention.Delimeter + suffix;
}
else //we are at the root
{
string lastActivityId = this.activityStack.Peek().Id;
equationId = ConventionHelper.ChangePrefix(NamePrefixOptions.Activity, NamePrefixOptions.Equation, lastActivityId, this.config.Convention);
}
LogicDefine.Equation toAdd = new LogicDefine.Equation()
{
Condition = Logic.Operand.And,
Id = equationId
};
this.epxressionStack.Push(toAdd);
this.workflowManager.AddEquation(toAdd);
string firstId, secondId = null;
If(this);
LogicDefine.Rule firstRule = this.epxressionStack.Pop().ShortHand;
firstRule.TrueCondition = !firstRule.TrueCondition;
firstId = firstRule.ShortHand;
secondId = ConventionHelper.TrueEvaluator(this.config.Convention);
toAdd.First = firstId;
toAdd.Second = secondId;
}
private IRule <TModel> LoadLogic(string equationId)
{
StepTracer <LintTrace> trace = new StepTracer <LintTrace>();
StepTraceNode <LintTrace> root = trace.TraceFirst(new LintTrace(LintStatusOptions.Loading, "Loading Logic", equationId));
//Lint.... make sure we have everything we need first.
Func <LogicDefine.Rule, StepTraceNode <LintTrace>, bool, IRule <TModel> > LoadRule = null;
LoadRule = (rule, parentStep, inner) =>
{
StepTraceNode <LintTrace> step = trace.TraceNext(parentStep, new LintTrace(LintStatusOptions.Inspecting, "Inspecting Rule", rule.Id));
IRule <TModel> toReturn = null;
//if id is an equation, we are creating an expression
//since we've formalized convention, we can just check that
if (ConventionHelper.MatchesConvention(NamePrefixOptions.Equation, rule.Id, this.Configuration.Convention))
{
LogicDefine.Equation eq = this.WorkflowManager.GetEquation(rule.Id);
IRule <TModel> first = LoadRule(eq.First, step, true);
IRule <TModel> second = LoadRule(eq.Second, step, true);
toReturn = new Expression <TModel>(rule, eq.Condition, first, second, this, inner);
}
else
{
LogicDefine.Evaluator ev = this.WorkflowManager.GetEvaluator(rule.Id);
toReturn = new Rule <TModel>(rule, this, inner);
}
return(toReturn);
};
LogicDefine.Rule eqRule = equationId;
IRule <TModel> loaded = LoadRule(eqRule, root, false);
return(loaded);
}
//this needs to
// * ensure reaction rule is an equation
// * ensure that any evaluators exist in the evaluators list
private string LoadLogic(WorkDefine.Workflow workFlow, string equationId)
{
StepTraceNode <LintTrace> root = this.tracer.Root;
//load conventions
LogicDefine.Evaluator trueDef = workFlow.Evaluators.FirstOrDefault(z => z.Id == ConventionHelper.TrueEvaluator(this.config.Convention));
if (null == trueDef)
{
trueDef = new LogicDefine.Evaluator()
{
Id = ConventionHelper.TrueEvaluator(this.config.Convention), Description = "Always True"
};
workFlow.Evaluators.Add(trueDef);
}
LogicDefine.Equation trueEqDef = workFlow.Equations.FirstOrDefault(z => z.Id == ConventionHelper.TrueEquation(this.config.Convention));
if (null == trueEqDef)
{
trueEqDef = new LogicDefine.Equation()
{
Condition = Logic.Operand.Or, First = trueDef.Id, Second = trueDef.Id, Id = ConventionHelper.TrueEquation(this.config.Convention)
};
workFlow.Equations.Add(trueEqDef);
}
//Lint.... make sure we have everything we need first.
Action <LogicDefine.Rule, StepTraceNode <LintTrace>, bool> LoadRule = null;
LoadRule = (rule, parentStep, isRoot) =>
{
StepTraceNode <LintTrace> step = this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.Inspecting, "Inspecting Rule", rule.Id));
//if id is an equation, we are creating an expression
LogicDefine.Equation eq = workFlow.Equations.FirstOrDefault(g => g.Id.Equals(rule.Id));
if (null != eq)
{
if (null != eq.First)
{
LoadRule(eq.First, step, false);
}
else
{
eq.First = new LogicDefine.Rule()
{
Id = ConventionHelper.TrueEvaluator(this.config.Convention), Context = string.Empty, TrueCondition = true
};
}
if (null != eq.Second)
{
LoadRule(eq.Second.Id, step, false);
}
else
{
eq.Second = new LogicDefine.Rule()
{
Id = ConventionHelper.TrueEvaluator(this.config.Convention), Context = string.Empty, TrueCondition = true
};
}
if (!rule.TrueCondition)
{
//create a negation equation.
string negationId = ConventionHelper.NegateEquationName(rule.Id, this.config.Convention);
LogicDefine.Rule negated = (LogicDefine.Rule)rule.Clone();
//negated.TrueCondition = false;
if (workFlow.Equations.Count(g => g.Id == negationId) == 0)
{
this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.InferringEquation, string.Format("Inferring negation equation from {0}", rule.Id), negationId));
LogicDefine.Equation toAdd = new LogicDefine.Equation()
{
First = negated,
Id = negationId,
Condition = Logic.Operand.And,
Second = ConventionHelper.TrueEvaluator(this.config.Convention)
};
workFlow.Equations.Add(toAdd);
rule.TrueCondition = true;
rule.Id = negationId;
}
}
}
else
{
//if reaction ruleid is not an equation, create an equation and update reaction
LogicDefine.Evaluator ev = workFlow.Evaluators.FirstOrDefault(g => g.Id.Equals(rule.Id));
if (null == ev)
{
this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.LazyDefinition, "No definition found for evaluator", rule.Id));
ev = new LogicDefine.Evaluator()
{
Id = rule.Id,
Description = string.Empty
};
workFlow.Evaluators.Add(ev);
}
//if this is the rule referenced by the reaction, then create an equation also,
//and update the equation. This isn't necessary, but consistent.
if (isRoot)
{
LogicDefine.Rule cloned = (LogicDefine.Rule)rule.Clone();
string newId = string.Empty;
Logic.Operand condition = Logic.Operand.And;
if (rule.Id == ConventionHelper.TrueEquation(this.config.Convention))
{
newId = ConventionHelper.TrueEquation(this.config.Convention);
condition = Logic.Operand.Or;
}
else
{
newId = ConventionHelper.ChangePrefix(NamePrefixOptions.Evaluator, NamePrefixOptions.Equation, rule.Id, this.config.Convention);
}
if (!rule.TrueCondition)
{
newId = ConventionHelper.NegateEquationName(newId, this.config.Convention);
}
if (workFlow.Equations.Count(g => g.Id == newId) == 0)
{
this.tracer.TraceNext(parentStep, new LintTrace(LintStatusOptions.InferringEquation, string.Format("Inferring equation from {0}", rule.Id), newId));
workFlow.Equations.Add(new LogicDefine.Equation()
{
Condition = condition,
First = cloned,
Second = ConventionHelper.TrueEvaluator(this.config.Convention),
Id = newId
});
}
rule.Id = newId;
}
}
};
LogicDefine.Rule eqRule = equationId;
LoadRule(eqRule, root, true);
return(eqRule.Id);
}
public ArticulateActivity ArticulateFlow(bool removeConvention, bool verbose)
{
Func <WorkDefine.ActionRef, IArticulateActivity> createAction = (s) =>
{
var actionDef = this.workflow.Actions.FirstOrDefault(g => g.Id == s.Id);
ArticulateAction action = new ArticulateAction()
{
Id = s.Id, Literal = actionDef.Description
};
if (s.Id == "*placeHolder")
{
return(new NothingAction());
}
else
{
if (s.Input != null)
{
ArticulateContext articulateContext = new ArticulateContext()
{
Literal = "Input",
Value = s.Input
};
action.Context = articulateContext;
}
return(action);
}
};
ArticulateActivity toReturn = new ArticulateActivity();
string activityId = workflow.Id;
activityId = $"{ConventionHelper.EnsureConvention(NamePrefixOptions.Activity, activityId, this.configuration.Convention)}.Main";
WorkDefine.Activity toArticulate = this.workflow.Activities.FirstOrDefault(g => g.Id == activityId);
toReturn.Id = toArticulate.Id;
Func <LogicDefine.Rule, IArticulateExpression> traverseExpression = null;
traverseExpression = (x) =>
{
IArticulateExpression buildExpression = null;
if (ConventionHelper.MatchesConvention(NamePrefixOptions.Evaluator, x.Id, this.configuration.Convention))
{
buildExpression = this.ArticulateEvaluator(x);
}
else
{
ArticulateExpression toBuild = new ArticulateExpression()
{
Id = x.Id
};
LogicDefine.Equation eq = this.workflow.Equations.FirstOrDefault(g => g.Id == x.Id);
toBuild.Condition = (eq.Condition == Logic.Operand.And) ? "and": "or";
Rule asRule = x.ShortHand;
toBuild.TrueCondition = asRule.TrueCondition;
toBuild.First = traverseExpression(eq.First);
toBuild.Second = traverseExpression(eq.Second);
buildExpression = toBuild;
}
return(buildExpression);
};
Action <ArticulateActivity, WorkDefine.Activity> traverseActivity = null;
traverseActivity = (a, d) =>
{
if (d.Reactions != null && d.Reactions.Count() > 0)
{
a.Reactions = new List <ArticulateReaction>();
d.Reactions.ForEach(r =>
{
//all logic at this point should be equations
//if logic = true, then if = "Always".
ArticulateReaction toAdd = new ArticulateReaction();
if (r.Logic == ConventionHelper.TrueEquation(this.configuration.Convention))
{
toAdd.If = new TrueExpression();
}
else
{
toAdd.If = traverseExpression(r.Logic);
}
WorkDefine.ActionRef aref = r.Work;
if (ConventionHelper.MatchesConvention(NamePrefixOptions.Action, aref.Id, this.configuration.Convention))
{
toAdd.Then = createAction(aref);
}
else
{
WorkDefine.Activity toTraverse = this.workflow.Activities.FirstOrDefault(g => g.Id == aref.Id);
ArticulateActivity Then = new ArticulateActivity()
{
Id = aref.Id
};
traverseActivity(Then, toTraverse);
toAdd.Then = Then;
}
a.Reactions.Add(toAdd);
});
}
};
traverseActivity(toReturn, toArticulate);
return(toReturn);
}
public virtual LogicDefine.Equation GetEquation(string id)
{
LogicDefine.Equation eq = this.WorkFlow.Equations.FirstOrDefault(g => g.Id.Equals(id));
return(eq);
}
void IFluentExpressionBuilder <T> .Rule(Action <IRuleBuilder <T> > action)
{
RuleBuilder <T> builderRef = new RuleBuilder <T>(this);
action.Invoke(builderRef);
LogicDefine.Rule evaluatorId = builderRef.rule;
evaluatorId.Id = ConventionHelper.EnsureConvention(NamePrefixOptions.Evaluator, evaluatorId.Id, this.config.Convention);
string actionName = builderRef.evaluatorx.GetType().Name;
string description = ConventionHelper.ParseMethodName(actionName, this.config.Convention.ParseMethodNamesAs).Literal;
var descAttr = builderRef.evaluatorx.GetType().GetCustomAttributes(typeof(ArticulateOptionsAttribute), true)
.OfType <ArticulateOptionsAttribute>()
.FirstOrDefault();
if (descAttr != null)
{
description = descAttr.Description;
}
this.workflowManager.AddEvaluator(new LogicDefine.Evaluator()
{
Id = evaluatorId.Id, Description = description
});
bool isRoot = this.epxressionStack.Count == 0;
if (!this.evaluators.ContainsKey(evaluatorId.Id))
{
this.evaluators.Add(evaluatorId.Id, builderRef.evaluatorx);
} //if attmpeting to add another implementation with the same id, throw an exception
//we can't handle this
else if (this.evaluators[evaluatorId.Id].GetType() != builderRef.evaluatorx.GetType())
{
throw new BuilderException(evaluatorId.Id);
}
if (isRoot)
{
string equationId = ConventionHelper.ChangePrefix(NamePrefixOptions.Evaluator, NamePrefixOptions.Equation, evaluatorId.Id, this.config.Convention);
bool trueCond = true;;
if (!evaluatorId.TrueCondition)
{
equationId = ConventionHelper.NegateEquationName(equationId, this.config.Convention);
trueCond = false;
}
LogicDefine.Equation toAdd = new LogicDefine.Equation()
{
Condition = Logic.Operand.And,
First = evaluatorId,
Id = equationId,
Second = ConventionHelper.TrueEvaluator(this.config.Convention),
//TrueCondition = trueCond
};
this.epxressionStack.Push(toAdd);
this.workflowManager.AddEquation(toAdd);
}
else
{
this.epxressionStack.Push(evaluatorId);
}
//if root... then create euqations
//otherwise, just use as evaluator
}