internal bool HasTypeConstraint(string typeName)
{
if (_operator == ExpressionType.And)
{
return(_left.HasTypeConstraint(typeName) || _right.HasTypeConstraint(typeName));
}
else if (this.Function != null && this.Function.FunctionName == ODataLiteral.IsOf)
{
return(this.Function.Arguments.Last().HasTypeConstraint(typeName));
}
else if (this.Value != null)
{
return(this.Value is Type && (this.Value as Type).Name == typeName);
}
else
{
return(false);
}
}
