/// <summary>
/// Builds the specified filter node.
/// </summary>
/// <param name="filterNode">The filter node.</param>
/// <param name="appendWhere">if set to <c>true</c> [append where].</param>
public void Build(DbFilterGroup filterNode, bool appendWhere)
{
if (filterNode.Nodes.Count > 0)
{
if (appendWhere)
{
sb.Append(" WHERE ");
}
build(filterNode);
}
}
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);
* }*/
}