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################################################################################
#
# GeoFIS R package
#
# Copyright (C) 2021 INRAE
#
# Authors:
# Jean-luc Lablée - INRAE
# Serge Guillaume - INRAE
#
# License: CeCILL v2.1
# https://cecill.info/licences/Licence_CeCILL_V2.1-en.html
# https://cecill.info/licences/Licence_CeCILL_V2.1-fr.html
#
# This software is governed by the CeCILL license under French law and
# abiding by the rules of distribution of free software. You can use,
# modify and/ or redistribute the software under the terms of the CeCILL
# license as circulated by CEA, CNRS and INRIA at the following URL
# "https://cecill.info".
#
# As a counterpart to the access to the source code and rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty and the software's author, the holder of the
# economic rights, and the successive licensors have only limited liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading, using, modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean that it is complicated to manipulate, and that also
# therefore means that it is reserved for developers and experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or
# data to be ensured and, more generally, to use and operate it in the
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL license and that you accept its terms.
#
################################################################################
#' @title Class "AggregFis"
#' @name AggregFis
#' @docType class
#' @description The Fis aggregation operator to be used in [Fusion]
#'
#' @slot fis [FisPro::Fis] object, The Fis to be used in the aggregation operator
#' @slot output_index [integer] value, The index (1-based index) of the output in the Fis to be used in the aggregation
#'
#' @importFrom utils packageVersion
#'
#' @seealso {
#' [NewAggregFis]
#'
#' [Aggregation using linguistic rules](https://www.geofis.org/en/documentation-en/data-fusion/#linguistic-rules)
#' }
#'
if (packageVersion("FisPro") == "1.0") {
# fis slot class should be "Rcpp_fis", but that crashes crash the jvm 32bits, I don't know why.
# envRefClass is the base class of Rcpp_fis
# see getClass("Rcpp_fis") or http://finzi.psych.upenn.edu/R/library/Rcpp/html/CppConstructor-class.html
# envRefClass do not crash the jvm 32bits
setClass("AggregFis", slots = c(fis = "envRefClass", output_index = "numeric"))
} else {
setClass("AggregFis", slots = c(fis = "Rcpp_Fis", output_index = "numeric"))
}
.CheckAggregFisRange <- function(type, name, range) {
if ((range["min"] < 0) || (range["max"] > 1)) {
stop(sprintf("%s '%s' must be in range [0, 1]", type, name))
}
}
.CheckAggregFisInput <- function(input) {
.CheckAggregFisRange("input", input$name, input$range())
}
.CheckAggregFisOutput <- function(output) {
.CheckAggregFisRange("output", output$name, output$range())
}
setGeneric(name = ".CheckAggregFisConclusion", def = function(output, conclusion) {
standardGeneric(".CheckAggregFisConclusion")
})
setMethod(f = ".CheckAggregFisConclusion", signature = c("Rcpp_FisOutCrisp", "numeric"), definition = function(output, conclusion) {
if ((conclusion < 0) || (conclusion > 1)) {
stop(sprintf("crisp output '%s' conclusion must be in range [0, 1]", output$name))
}
})
setMethod(f = ".CheckAggregFisConclusion", signature = c("Rcpp_FisOutFuzzy", "numeric"), definition = function(output, conclusion) {})
#' @importFrom foreach foreach
#' @importFrom foreach %do%
.CheckAggregFisRule <- function(rule, outputs) {
output <- conclusion <- NULL # for devtools::check() "no visible binding for global variable"
foreach(output = outputs, conclusion = rule$conclusions) %do% {
.CheckAggregFisConclusion(output, conclusion)
}
}
.CheckAggregFis <- function(fis, output_index) {
for (input in fis$get_inputs()) {
.CheckAggregFisInput(input)
}
if (fis$output_size() < output_index) {
stop(sprintf("output '%d' not found", output_index))
}
for (output in fis$get_outputs()) {
.CheckAggregFisOutput(output)
}
for (rule in fis$get_rules()) {
.CheckAggregFisRule(rule, fis$get_outputs())
}
}
#' @importFrom methods callNextMethod
setMethod("initialize", "AggregFis", function(.Object, ...) {
.Object <- callNextMethod()
if (packageVersion("FisPro") != "1.0") {
.CheckAggregFis(.Object@fis, .Object@output_index)
}
return(.Object)
})
#' @title Create object of class "AggregFis"
#' @name NewAggregFis
#' @description Function to create an aggregation operator of class [AggregFis] to be used in [Fusion]
#'
#' @param fis [FisPro::Fis] object, The Fis to be used in the aggregation operator
#' @param output_index [integer] value, The index (1-based index) of the output in the Fis to be used in the aggregation (the default is 1)
#'
#' @return [AggregFis] object
#'
#' @seealso [Aggregation using linguistic rules](https://www.geofis.org/en/documentation-en/data-fusion/#linguistic-rules)
#'
#' @export
NewAggregFis <- function(fis, output_index = 1) {
return(new("AggregFis", fis = fis, output_index = output_index))
}
setMethod(f = ".CheckAggreg", signature = c("AggregFis", "integer"), definition = function(aggreg, aggregate_length) {
if (aggreg@fis$input_size() != aggregate_length) {
stop("the Fis must have the same number of inputs as the aggregate nodes")
}
})
#' @importFrom data.tree Aggregate
setMethod(f = "Aggreg", signature = "AggregFis", definition = function(object, node, attribute) {
return(Aggregate(node, attribute, aggFun = function(x) object@fis$infer_output(x, object@output_index)))
})
#' @export
toString.AggregFis <- function(x, ...) {
return(sprintf("fis(\"%s\", %d)", x@fis$name, x@output_index))
}
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