public Expression CreateMapExpression(Type sourceType, Type destinationType, System.Collections.Generic.IDictionary <string, object> parameters = null, params MemberInfo[] membersToExpand)
{
parameters = parameters ?? new Dictionary <string, object>();
var cachedExpression =
_expressionCache.GetOrAdd(new ExpressionRequest(sourceType, destinationType, membersToExpand),
tp => CreateMapExpression(tp, new ConcurrentDictionary <ExpressionRequest, int>()));
if (!parameters.Any())
{
return(cachedExpression);
}
var visitor = new ConstantExpressionReplacementVisitor(parameters);
return(visitor.Visit(cachedExpression));
}
public Expression CreateMapExpression(Type sourceType, Type destinationType, ObjectDictionary parameters = null, params MemberInfo[] membersToExpand)
{
//TODO: this appears to be very definitely new
parameters = parameters ?? new Dictionary<string, object>();
var cachedExpression =
ExpressionCache.GetOrAdd(new ExpressionRequest(sourceType, destinationType, membersToExpand),
tp => CreateMapExpression(tp, DictionaryFactory.CreateDictionary<ExpressionRequest, int>()));
if (!parameters.Any())
return cachedExpression;
var visitor = new ConstantExpressionReplacementVisitor(parameters);
return visitor.Visit(cachedExpression);
}