Nothing
#' ISOBaseBoolean
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords ISO boolean
#' @return Object of \code{\link{R6Class}} for modelling an ISO Boolean
#' @format \code{\link{R6Class}} object.
#'
#' @note Class used by geometa internal XML decoder/encoder
#'
#' @references
#' ISO/TS 19103:2005 Geographic information -- Conceptual schema language
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
ISOBaseBoolean <- R6Class("ISOBaseBoolean",
inherit = ISOAbstractObject,
private = list(
xmlElement = "Boolean",
xmlNamespacePrefix = "GCO"
),
public = list(
#'@field value value
value = NA,
#'@description Initializes a base boolean object
#'@param xml object of class \link{XMLInternalNode-class}
#'@param value value
initialize = function(xml = NULL, value){
super$initialize(xml = xml)
if(is.null(xml)){
newValue <- value
if(!is(value, "logical")){
newValue <- as.logical(value)
if(is.na(newValue)){
stop(sprintf("Value '%s' cannot be coerced to 'logical'", value))
}
}
self$value = tolower(as.character(newValue))
}
}
)
)
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