public static QueryNode MapQValue(QueryNode qNode, Func <IQueryValue, IQueryValue> mapFunc)
{
if (qNode is QueryGroupNode)
{
var group = new QueryGroupNode((QueryGroupNode)qNode);
for (int i = 0; i < group.Nodes.Count; i++)
{
group.Nodes[i] = MapQValue(group.Nodes[i], mapFunc);
}
return(group);
}
if (qNode is QueryConditionNode)
{
var origCndNode = (QueryConditionNode)qNode;
var cndNode = new QueryConditionNode(origCndNode.Name,
mapFunc(origCndNode.LValue),
origCndNode.Condition,
mapFunc(origCndNode.RValue));
return(cndNode);
}
if (qNode is QueryNegationNode)
{
var negNode = new QueryNegationNode((QueryNegationNode)qNode);
for (int i = 0; i < negNode.Nodes.Count; i++)
{
negNode.Nodes[i] = MapQValue(negNode.Nodes[i], mapFunc);
}
return(negNode);
}
return(qNode);
}
protected virtual string BuildNegation(QueryNegationNode node)
{
if (node.Nodes.Count == 0)
{
return(null);
}
string expression = BuildExpression(node.Nodes[0]);
if (expression == null)
{
return(null);
}
return(String.Format("NOT({0})", expression));
}
public QueryNegationNode(QueryNegationNode copyNode)
{
SingleNodeList = new QueryNode[] { copyNode.Nodes[0] };
Name = copyNode.Name;
}
