public static Workflow AddUpdateExpressionToArgument(this Workflow wf, WfActivity activity, ActivityArgument arg, string expressionString, bool isTemplate)
{
if (isTemplate)
{
expressionString = ConvertTemplateToExpressionString(expressionString);
}
if (expressionString == null)
{
throw new ArgumentNullException("expressionString");
}
var exp = activity.ExpressionMap.FirstOrDefault(x => x.ArgumentToPopulate?.Id == arg.Id);
if (exp == null)
{
var newExp = new WfExpression()
{
ExpressionString = expressionString,
ArgumentToPopulate = arg,
ExpressionInActivity = activity,
IsTemplateString = false
};
activity.ExpressionMap.Add(newExp.As <WfExpression>());
}
else
{
var wrExp = exp.AsWritable <WfExpression>();
wrExp.ExpressionString = expressionString;
wrExp.Save();
}
return(wf);
}
public static Workflow AddExpressionToArgument(this Workflow wf, WfActivity activity, ActivityArgument destination, string expressionString, bool isTemplate)
{
if (isTemplate)
{
expressionString = ExpressionHelper.ConvertTemplateToExpressionString(expressionString);
}
if (expressionString == null)
{
throw new ArgumentNullException("expressionString");
}
var exp = new WfExpression()
{
ExpressionString = expressionString,
ArgumentToPopulate = destination,
ExpressionInActivity = activity,
IsTemplateString = false
};
activity.ExpressionMap.Add(exp.As <WfExpression>());
return(wf);
}
