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#' ISODate
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords ISO date
#' @return Object of \code{\link{R6Class}} for modelling an ISO Date
#' @format \code{\link{R6Class}} object.
#'
#' @examples
#' md <- ISODate$new()
#' md$setDate(ISOdate(2015, 1, 1, 1))
#' md$setDateType("publication")
#' xml <- md$encode()
#'
#' @references
#' ISO 19115:2003 - Geographic information -- Metadata
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
ISODate <- R6Class("ISODate",
inherit = ISOAbstractObject,
private = list(
xmlElement = "CI_Date",
xmlNamespacePrefix = "GMD"
),
public = list(
#'@field date date
date = NULL,
#'@field dateType date type
dateType = NULL,
#'@description Initializes object
#'@param xml object of class \link{XMLInternalNode-class}
initialize = function(xml = NULL){
super$initialize(xml = xml)
},
#'@description Set date
#'@param date object of class \link{Date} or \link{POSIXct}
setDate = function(date){
if(!(is(date, "Date") | is(date, "POSIXt"))){
stop("The date should be either a 'Date' or 'POSIXt' object")
}
self$date = date
},
#'@description Set date type
#'@param dateType object of class \link{ISODateType}
#' or any \link{character} values returned by \code{ISODateType$values()}
setDateType = function(dateType){
if(!is(dateType, "ISODateType")){
dateType <- ISODateType$new(value = dateType)
}
self$dateType = dateType
}
)
)
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