private static ICriterion ProcessSimpleNullExpression(ProjectionInfo property, ExpressionType expressionType)
{
if (expressionType == ExpressionType.Equal)
{
return(property.CreateCriterion(Restrictions.IsNull, Restrictions.IsNull));
}
if (expressionType == ExpressionType.NotEqual)
{
return(Restrictions.Not(
property.CreateCriterion(Restrictions.IsNull, Restrictions.IsNull)));
}
throw new ArgumentException("Cannot supply null value to operator " + expressionType, nameof(expressionType));
}
private static ICriterion Le(ProjectionInfo property, object value)
{
return(property.CreateCriterion(Restrictions.Le, Restrictions.Le, value));
}
private static ICriterion Ne(ProjectionInfo property, object value)
{
return
(Restrictions.Not(
property.CreateCriterion(Restrictions.Eq, Restrictions.Eq, value)));
}
