protected override Expression VisitPropertyAccess(PropertyAccessExpression expr)
{
string name = MemberNameVisitor.GetMemberName(_rootCriteria, expr);
_projections.Add(NHProjections.GroupProperty(name));
return(expr);
}
protected override NewExpression VisitNew(NewExpression expr)
{
NewExpression newExpr = base.VisitNew(expr);
_transformer = new TypeSafeConstructorMemberInitResultTransformer(expr);
var aggregators = expr.Arguments.Where(arg => arg is MethodCallExpression && SupportsMethod(((MethodCallExpression)arg).Method.Name));
if (aggregators.Any())
{
foreach (var exp in expr.Arguments.Except(aggregators))
{
string propertyName = MemberNameVisitor.GetMemberName(_rootCriteria, exp);
if (!String.IsNullOrEmpty(propertyName))
{
_projections.Add(NHProjections.GroupProperty(propertyName));
}
}
}
return(newExpr);
}
public PropertyProjection Group()
{
return(Projections.GroupProperty(PropertyName));
}
/// <summary>
/// A grouping property value
/// </summary>
public static PropertyProjection Group(Expression <Func <object> > expression)
{
return(Projections.GroupProperty(ExpressionProcessor.FindMemberExpression(expression.Body)));
}
