private AggregationBase GetParentContainer(IQueryNode node, IQueryVisitorContext context)
{
AggregationBase container = null;
var currentNode = node;
while (container == null && currentNode != null)
{
IQueryNode n = currentNode;
container = n.GetAggregation(() => {
var result = n.GetDefaultAggregation(context);
if (result != null)
{
n.SetAggregation(result);
}
return(result);
}) as AggregationBase;
if (currentNode.Parent != null)
{
currentNode = currentNode.Parent;
}
else
{
break;
}
}
if (container == null)
{
container = new ChildrenAggregation(null, null);
currentNode.SetAggregation(container);
}
return(container);
}