public Condition <T> Or()
{
CheckRoot();
OrCondition <T> or = new OrCondition <T>();
AddCondition(or);
return(or);
}
private void AddCondition(Condition <T> condition)
{
Condition <T> parent = stack.Peek();
if (parent.GetType() == typeof(ConditionGroup <T>))
{
ConditionGroup <T> group = (ConditionGroup <T>)parent;
if (group.IsClosed())
{
throw new QueryException(String.Format("Invalid Stack State: Group condition is already closed. [type={0}]", group.GetType().FullName));
}
group.Add(condition);
}
else if (parent.GetType() == typeof(AndCondition <T>))
{
AndCondition <T> and = (AndCondition <T>)parent;
if (and.IsClosed())
{
throw new QueryException(String.Format("Invalid Stack State: And condition is already closed. [type={0}]", and.GetType().FullName));
}
and.Add(condition);
}
else if (parent.GetType() == typeof(AndCondition <T>))
{
AndCondition <T> and = (AndCondition <T>)parent;
if (and.IsClosed())
{
throw new QueryException(String.Format("Invalid Stack State: And condition is already closed. [type={0}]", and.GetType().FullName));
}
and.Add(condition);
}
else if (parent.GetType() == typeof(OrCondition <T>))
{
OrCondition <T> or = (OrCondition <T>)parent;
if (or.IsClosed())
{
throw new QueryException(String.Format("Invalid Stack State: Or condition is already closed. [type={0}]", or.GetType().FullName));
}
or.Add(condition);
}
stack.Push(condition);
}