/// <summary>
/// Creates a REMOVE operation for the specified node.
/// </summary>
/// <param name="node">The node to be removed.</param>
/// <returns>An operation pair for the node and the REMOVE operation.
/// </returns>
private OperationPair CreateRemoveOperation(ProductPartitionNode node)
{
PreconditionUtilities.CheckArgument(node.ProductPartitionId >= NEW_ROOT_ID,
string.Format(ShoppingMessages.NodeForRemoveCannotHaveNegativeId,
node.ProductPartitionId));
AdGroupCriterionOperation removeOp = new AdGroupCriterionOperation();
removeOp.@operator = Operator.REMOVE;
removeOp.operand = ProductPartitionNodeAdapter.CreateCriterionForRemove(node, adGroupId);
return(new OperationPair(node, removeOp));
}
