//TODO 基于Attribute中的id转换 dmnDecisions[decision.Id]
protected internal virtual void BuildDecisionRequirements(ICollection <IDecision> decisions,
IDictionary <string, DmnDecisionImpl> dmnDecisions)
{
foreach (var decision in decisions)
{
var requiredDmnDecisions = GetRequiredDmnDecisions(decision, dmnDecisions);
//var dmnDecision = dmnDecisions[decision.Id];
DmnDecisionImpl dmnDecision = null;
if ((decision.Id != null) && dmnDecisions.ContainsKey(decision.Id) && (decision != null))
{
dmnDecision = dmnDecisions[decision.Id];
}
if (requiredDmnDecisions.Count > 0)
{
dmnDecision.RequiredDecisions = requiredDmnDecisions;
}
}
}
//TODO Dmn获取Decision
protected internal virtual DmnDecisionImpl TransformDecision(IDecision decision)
{
//TODO Hander处理
var handler = handlerRegistry.getHandler <IDecision, DmnDecisionImpl>(typeof(IDecision));
var dmnDecision = handler.HandleElement(this, decision);
this.decision = dmnDecision;
// validate decision id
if (ReferenceEquals(dmnDecision.Key, null))
{
throw LOG.DecisionIdIsMissing(dmnDecision);
}
var expression = decision.Expression;
if (expression == null)
{
LOG.DecisionWithoutExpression(decision);
return(null);
}
//TODO expression异常
if (expression is IDecisionTable)
{
var dmnDecisionTable = TransformDecisionTable((IDecisionTable)expression);
dmnDecision.DecisionLogic = dmnDecisionTable;
}
else if (expression is ILiteralExpression)
{
var dmnDecisionLiteralExpression = TransformDecisionLiteralExpression(decision,
(ILiteralExpression)expression);
dmnDecision.DecisionLogic = dmnDecisionLiteralExpression;
}
else
{
LOG.DecisionTypeNotSupported(expression, decision);
return(null);
}
//return null;
return(dmnDecision);
}