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#' ISOScope
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords ISO scope
#' @return Object of \code{\link[R6]{R6Class}} for modelling a scope
#' @format \code{\link[R6]{R6Class}} object.
#'
#' @references
#' - ISO 19115-3 \url{https://schemas.isotc211.org/19115/-3/mco/1.0/mco/#element_MD_Scope}
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
ISOScope <- R6Class("ISOScope",
inherit = ISOAbstractObject,
private = list(
xmlElement = "MD_Scope",
xmlNamespacePrefix = list(
"19115-3" = "MCC"
)
),
public = list(
#'@field level level [0..1]: ISOScope
level = NULL,
#'@field extent extent [0..*]: ISOAbstractExtent
extent = NULL,
#'@field levelDescription levelDescription [0..*]: ISOScopeDescription
levelDescription = list(),
#'@description Initializes object
#'@param xml object of class \link[XML]{XMLInternalNode-class}
initialize = function(xml = NULL){
super$initialize(xml = xml)
},
#'@description Set level
#'@param level scope code, object of class \link{ISOScopeCode} or \link{character} among values
#' listed by \code{ISOScopeCode$values()}
setLevel = function(level){
if(!is(level, "ISOScopeCode")){
if(is(level, "character")){
level <- ISOScopeCode$new(value = level)
}else{
stop("The 'level' argument should be an object of class 'character' or 'ISOScopeCode'")
}
}
self$level = level
},
#'@description Adds extent
#'@param extent extent of class \link{ISOAbstractExtent}
#'@return \code{TRUE} if added, \code{FALSE} otherwise
addExtent = function(extent){
if(!is(extent, "ISOAbstractExtent")){
stop("The argument should be an object inheriting class 'ISOAbstractExtent'")
}
return(self$addListElement("extent", extent))
},
#'@description Deletes extent
#'@param extent extent of class \link{ISOAbstractExtent}
#'@return \code{TRUE} if deleted, \code{FALSE} otherwise
delExtent = function(extent){
if(!is(extent, "ISOAbstractExtent")){
stop("The argument should be an object inheriting class 'ISOAbstractExtent'")
}
return(self$delListElement("extent", extent))
},
#'@description Adds level description
#'@param levelDescription levelDescription of class \link{ISOScopeDescription}
#'@return \code{TRUE} if added, \code{FALSE} otherwise
addLevelDescription = function(levelDescription){
if(!is(levelDescription, "ISOScopeDescription")){
stop("The argument should be an object of class 'ISOScopeDescription'")
}
return(self$addListElement("levelDescription", levelDescription))
},
#'@description Deletes level description
#'@param levelDescription levelDescription of class \link{ISOScopeDescription}
#'@return \code{TRUE} if deleted, \code{FALSE} otherwise
delLevelDescription = function(levelDescription){
if(!is(levelDescription, "ISOScopeDescription")){
stop("The argument should be an object of class 'ISOScopeDescription'")
}
return(self$delListElement("levelDescription", levelDescription))
}
)
)
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