///// <summary>
///// If a type is nullable of we must
///// </summary>
///// <param name="type"></param>
///// <returns></returns>
//private System.Type GetTypeCheckForNullable(System.Type type) {
//if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>)) {…}
//w.FinalType.GetGenericArguments()
//}
/// <summary>
/// Ok we have a sql function, the inner token already created a criterion we
/// only needs to configureIt
/// </summary>
/// <param name="left"></param>
/// <param name="right"></param>
/// <returns></returns>
private WalkedToken WalkSqlFunction(WalkedToken left, WalkedToken right)
{
CustomCriterion.SqlFunctionCriterion crit = (CustomCriterion.SqlFunctionCriterion)left.Criterion;
//configureSqlCustomCriterion(crit);
NHibernate.Expressions.ICriterion outCriterion = expCreator("", null);
crit.StrOperator = outCriterion.GetType().GetProperty(
"Op", BindingFlags.NonPublic | BindingFlags.Instance)
.GetValue(outCriterion, null) as String;
crit.ValueToCompareTo = right.GetValue <Object>();
return(left);
}
/// <summary>
/// We need to pop from the stack all the parameters of the function to call.
/// </summary>
/// <param name="queue"></param>
/// <returns></returns>
internal override WalkedToken Walk(Stack<WalkedToken> stack)
{
//The parameter to pass to sql function except the first that is the method name
Object[] invokeArguments = new Object[mParameterNum - 1];
Int32 propertyParameterIndex = 0;
for (Int32 pi = invokeArguments.Length - 1; pi >= 0; --pi)
{
WalkedToken wt = stack.Pop();
invokeArguments[pi] = wt.GetValue<Object>();
if (wt.TokenType == TokenType.PropertyPath)
propertyParameterIndex = pi;
}
stack.Pop(); //Remove the last element that does not means nothing.
CustomCriterion.SqlFunctionCriterion crit =
new CustomCriterion.SqlFunctionCriterion(
propertyParameterIndex, null, null, mSqlFunction, invokeArguments);
return WalkedToken.FromSqlCriterion(crit);
}
/// <summary>
/// We need to pop from the stack all the parameters of the function to call.
/// </summary>
/// <param name="queue"></param>
/// <returns></returns>
internal override WalkedToken Walk(Stack <WalkedToken> stack)
{
//The parameter to pass to sql function except the first that is the method name
Object[] invokeArguments = new Object[mParameterNum - 1];
Int32 propertyParameterIndex = 0;
for (Int32 pi = invokeArguments.Length - 1; pi >= 0; --pi)
{
WalkedToken wt = stack.Pop();
invokeArguments[pi] = wt.GetValue <Object>();
if (wt.TokenType == TokenType.PropertyPath)
{
propertyParameterIndex = pi;
}
}
stack.Pop(); //Remove the last element that does not means nothing.
CustomCriterion.SqlFunctionCriterion crit =
new CustomCriterion.SqlFunctionCriterion(
propertyParameterIndex, null, null, mSqlFunction, invokeArguments);
return(WalkedToken.FromSqlCriterion(crit));
}
public static WalkedToken FromSqlCriterion(CustomCriterion.SqlFunctionCriterion criterion)
{
WalkedToken token = new WalkedToken(TokenType.SqlFunction, criterion, null);
return(token);
}
