/// <summary>
/// Retrieve SingleValueNode operand from given token.
/// </summary>
/// <param name="unaryOperatorToken">The token</param>
/// <returns>the SingleValueNode operand</returns>
private SingleValueNode GetOperandFromToken(UnaryOperatorToken unaryOperatorToken)
{
SingleValueNode operand = this.bindMethod(unaryOperatorToken.Operand) as SingleValueNode;
if (operand == null)
{
throw new ODataException(ODataErrorStrings.MetadataBinder_UnaryOperatorOperandNotSingleValue(unaryOperatorToken.OperatorKind.ToString()));
}
return(operand);
}
/// <summary>
/// Binds a unary operator token.
/// </summary>
/// <param name="unaryOperatorToken">The unary operator token to bind.</param>
/// <returns>The bound unary operator token.</returns>
internal QueryNode BindUnaryOperator(UnaryOperatorToken unaryOperatorToken)
{
ExceptionUtils.CheckArgumentNotNull(unaryOperatorToken, "unaryOperatorToken");
SingleValueNode operand = this.GetOperandFromToken(unaryOperatorToken);
IEdmTypeReference typeReference = UnaryOperatorBinder.PromoteOperandType(operand, unaryOperatorToken.OperatorKind);
Debug.Assert(typeReference == null || typeReference.IsODataPrimitiveTypeKind(), "Only primitive types should be able to get here.");
operand = MetadataBindingUtils.ConvertToTypeIfNeeded(operand, typeReference);
return(new UnaryOperatorNode(unaryOperatorToken.OperatorKind, operand));
}
/// <summary>
/// Binds a unary operator token.
/// </summary>
/// <param name="unaryOperatorToken">The unary operator token to bind.</param>
/// <returns>The bound unary operator token.</returns>
protected virtual QueryNode BindUnaryOperator(UnaryOperatorToken unaryOperatorToken)
{
UnaryOperatorBinder unaryOperatorBinder = new UnaryOperatorBinder(this.Bind);
return(unaryOperatorBinder.BindUnaryOperator(unaryOperatorToken));
}
/// <summary>
/// Visits a UnaryOperatorToken
/// </summary>
/// <param name="tokenIn">The UnaryOperatorToken to bind</param>
/// <returns>A UnaryOperatorNode bound to this UnaryOperatorToken</returns>
public virtual T Visit(UnaryOperatorToken tokenIn)
{
throw new NotImplementedException();
}