#' @name SDMXConcept
#' @docType class
#' @aliases SDMXConcept-class
#'
#' @title Class "SDMXConcept"
#' @description A basic class to handle a SDMX Concept
#'
#' @slot id Object of class "character" giving the ID of the concept (required)
#' @slot agencyID Object of class "character" giving the AgencyID
#' @slot version Object of class "character" giving the concept version
#' @slot uri Object of class "character" giving the concept uri
#' @slot urn Object of class "character" giving the concept urn
#' @slot isExternalReference Object of class "logical" indicating if the concept is an external reference
#' @slot coreRepresentation Object of class "character" giving the core representation
#' @slot coreRepresentationAgency Object of class "character" giving the core representation agency
#' @slot parent Object of class "character" giving the concept parent
#' @slot parentAgency Object of class "character" giving the parentAgency
#' @slot Name Object of class "list" giving the concept name (by language) - required
#' @slot Description Object of class "list" giving the concept description (by language)
#'
#' @section Warning:
#' This class is not useful in itself, but all SDMX non-abstract classes will
#' encapsulate it as slot, when parsing an SDMX-ML document (Concepts, or
#' DataStructureDefinition)
#'
#' @author Emmanuel Blondel, \email{emmanuel.blondel1@@gmail.com}
#'
setClass("SDMXConcept",
representation(
#attributes
id = "character", #required
agencyID = "character", #optional
version = "character", #optional
uri = "character", #optional
urn = "character", #optional
isExternalReference = "logical", #optional
coreRepresentation = "character", #optional
coreRepresentationAgency = "character", #optional
parent = "character", #optional
parentAgency = "character", #optional
#elements
Name = "list", #at least one
Description = "list" #optional
),
prototype = list(
#attributes
id = "CONCEPT_ID",
agencyID = "AGENCY_ID",
version = "1.0",
uri = as.character(NA),
urn = as.character(NA),
isExternalReference = FALSE,
coreRepresentation = as.character(NA),
coreRepresentationAgency = as.character(NA),
parent = as.character(NA),
parentAgency = as.character(NA),
#elements
Name = list(
en = "concept name",
fr = "nom du concept"
),
Description = list(
en = "concept description",
fr = "description du concept"
)
),
validity = function(object){
#eventual validation rules
if(.rsdmx.options$validate){
if(is.na(object@id)) return(FALSE)
if(length(object@Name) == 0) return(FALSE)
}
return(TRUE);
}
)
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