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#' @name SDMXConcepts
#' @docType class
#' @aliases SDMXConcepts-class
#'
#' @title Class "SDMXConcepts"
#' @description A basic class to handle SDMX Concepts
#'
#' @slot concepts Object of class "list" giving the list of "SDMXConcept". This
#' slot is available to ensure backward compatibility with SDMX 1.0 in SDMX
#' 2.0 or 2.1 documents
#' @slot conceptSchemes Object of class "list" giving the list of "SDMXConceptScheme",
#' which will encapsulate the list of "SDMXConcept" (defined from SDMX 2.0)
#'
#' @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("SDMXConcepts",
contains = "SDMX",
representation(
concepts = "list", #required for backward compatibility with SDMX 1.0
conceptSchemes = "list" #SDMX > 1.0
),
prototype = list(
concepts = list(),
conceptSchemes = list()
),
validity = function(object){
#eventual validation rules
return(TRUE);
}
)
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