public MemberAccessFilterExpression(FilterExpression instance, string member)
{
Instance = instance;
Member = member;
}
public static MemberAccessFilterExpression MemberAccess(FilterExpression instance, string memberName)
{
return(new MemberAccessFilterExpression(instance, memberName));
}
public static BinaryFilterExpression Binary(FilterExpression left, FilterExpressionOperator op, FilterExpression right)
{
return(new BinaryFilterExpression(left, op, right));
}
public static UnaryFilterExpression Unary(FilterExpressionOperator op, FilterExpression operand)
{
return(new UnaryFilterExpression(op, operand));
}
public BinaryFilterExpression(FilterExpression left, FilterExpressionOperator op, FilterExpression right)
{
if (left == null)
{
throw new ArgumentNullException("left", "Left operand of a binary expression cannot be null.");
}
if (right == null)
{
throw new ArgumentNullException("right", "Right operand of a binary expression cannot be null.");
}
if (op == FilterExpressionOperator.Unknown)
{
throw new ArgumentException("Cannot create binary expression with the 'Unknown' operator.", "op");
}
Left = left;
Operator = op;
Right = right;
}