private void build(DbFilterNode filterNode)
{
DbFilterGroup filterGroup = filterNode as DbFilterGroup;
if (filterGroup != null)
{
string expression = (filterNode is DbAndFilterGroup) ? " AND " : " OR ";
sb.Append('(');
int count = filterGroup.Nodes.Count;
for (int i = 0; i < count; i++)
{
var node = filterGroup.Nodes[i];
build(node);
if (i < count - 1)
{
sb.Append(expression);
}
}
sb.Append(')');
}
else
{
DbFilterExpression exp = (DbFilterExpression)filterNode;
sb.Append(exp.ToString(accessor, args.Count));
exp.AddParameters(args);
}
/*sb.Append(filterNode[0].ToString(gateway.Accessor, 0));
* filterNode[0].AddParameters(args);
*
* for (int i = 1; i < count; i++)
* {
* sb.Append(" AND ");
* sb.Append(filterNode[i].ToString(gateway.Accessor, i));
* filterNode[i].AddParameters(args);
* }*/
}
/// <summary>
/// Adds Expression
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
public DbQuery Add(DbFilterNode expression)
{
FilterGroup.Add(expression);
return(this);
}
/// <summary>
/// Adds the specified node.
/// </summary>
/// <param name="node">The node.</param>
public void Add(DbFilterNode node)
{
Nodes.Add(node);
}