2023-02-16 16:02:03 +08:00

228 lines
7.6 KiB
R

#' @docType class
#' @title Pig
#'
#' @description Pig Class
#'
#' @format An \code{R6Class} generator object
#'
#' @importFrom R6 R6Class
#' @importFrom jsonlite fromJSON toJSON
#' @export
Pig <- R6::R6Class(
"Pig",
public = list(
#' @field actual_instance the object stored in this instance.
actual_instance = NULL,
#' @field actual_type the type of the object stored in this instance.
actual_type = NULL,
#' @field one_of a list of types defined in the oneOf schema.
one_of = list("BasquePig", "DanishPig"),
#' Initialize a new Pig.
#'
#' @description
#' Initialize a new Pig.
#'
#' @param instance an instance of the object defined in the oneOf schemas: "BasquePig", "DanishPig"
#' @export
initialize = function(instance = NULL) {
if (is.null(instance)) {
# do nothing
} else if (get(class(instance)[[1]], pos = -1)$classname == "BasquePig") {
self$actual_instance <- instance
self$actual_type <- "BasquePig"
} else if (get(class(instance)[[1]], pos = -1)$classname == "DanishPig") {
self$actual_instance <- instance
self$actual_type <- "DanishPig"
} else {
stop(paste("Failed to initialize Pig with oneOf schemas BasquePig, DanishPig. Provided class name: ",
get(class(instance)[[1]], pos = -1)$classname))
}
},
#' Deserialize JSON string into an instance of Pig.
#'
#' @description
#' Deserialize JSON string into an instance of Pig.
#' An alias to the method `fromJSON` .
#'
#' @param input The input JSON.
#' @return An instance of Pig.
#' @export
fromJSONString = function(input) {
self$fromJSON(input)
},
#' Deserialize JSON string into an instance of Pig.
#'
#' @description
#' Deserialize JSON string into an instance of Pig.
#'
#' @param input The input JSON.
#' @return An instance of Pig.
#' @export
fromJSON = function(input) {
matched <- 0 # match counter
matched_schemas <- list() #names of matched schemas
error_messages <- list()
instance <- NULL
oneof_lookup_result <- tryCatch({
discriminatorValue <- (jsonlite::fromJSON(input, simplifyVector = FALSE))$`className`
if (is.null(discriminatorValue)) { # throw error if it's null
stop("Error! The value of the discriminator property `className`, which should be the class type, is null")
}
switch(discriminatorValue,
BasquePig={
BasquePig$public_methods$validateJSON(input)
BasquePig_instance <- BasquePig$new()
self$actual_instance <- BasquePig_instance$fromJSON(input)
self$actual_type <- "BasquePig"
return(self)
},
DanishPig={
DanishPig$public_methods$validateJSON(input)
DanishPig_instance <- DanishPig$new()
self$actual_instance <- DanishPig_instance$fromJSON(input)
self$actual_type <- "DanishPig"
return(self)
})},
error = function(err) err
)
if (!is.null(oneof_lookup_result["error"])) {
error_messages <- append(error_messages, sprintf("Failed to lookup discriminator value for Pig. Error message: %s. JSON input: %s", oneof_lookup_result["message"], input))
}
`BasquePig_result` <- tryCatch({
`BasquePig`$public_methods$validateJSON(input)
`BasquePig_instance` <- `BasquePig`$new()
instance <- `BasquePig_instance`$fromJSON(input)
instance_type <- "BasquePig"
matched_schemas <- append(matched_schemas, "BasquePig")
matched <- matched + 1
},
error = function(err) err
)
if (!is.null(`BasquePig_result`["error"])) {
error_messages <- append(error_messages, `BasquePig_result`["message"])
}
`DanishPig_result` <- tryCatch({
`DanishPig`$public_methods$validateJSON(input)
`DanishPig_instance` <- `DanishPig`$new()
instance <- `DanishPig_instance`$fromJSON(input)
instance_type <- "DanishPig"
matched_schemas <- append(matched_schemas, "DanishPig")
matched <- matched + 1
},
error = function(err) err
)
if (!is.null(`DanishPig_result`["error"])) {
error_messages <- append(error_messages, `DanishPig_result`["message"])
}
if (matched == 1) {
# successfully match exactly 1 schema specified in oneOf
self$actual_instance <- instance
self$actual_type <- instance_type
} else if (matched > 1) {
# more than 1 match
stop(paste("Multiple matches found when deserializing the input into Pig with oneOf schemas BasquePig, DanishPig. Matched schemas: ",
paste(matched_schemas, collapse = ", ")))
} else {
# no match
stop(paste("No match found when deserializing the input into Pig with oneOf schemas BasquePig, DanishPig. Details: >>",
paste(error_messages, collapse = " >> ")))
}
self
},
#' Serialize Pig to JSON string.
#'
#' @description
#' Serialize Pig to JSON string.
#'
#' @return JSON string representation of the Pig.
#' @export
toJSONString = function() {
if (!is.null(self$actual_instance)) {
as.character(jsonlite::minify(self$actual_instance$toJSONString()))
} else {
NULL
}
},
#' Serialize Pig to JSON.
#'
#' @description
#' Serialize Pig to JSON.
#'
#' @return JSON representation of the Pig.
#' @export
toJSON = function() {
if (!is.null(self$actual_instance)) {
self$actual_instance$toJSON()
} else {
NULL
}
},
#' Validate the input JSON with respect to Pig.
#'
#' @description
#' Validate the input JSON with respect to Pig and
#' throw exception if invalid.
#'
#' @param input The input JSON.
#' @export
validateJSON = function(input) {
# backup current values
actual_instance_bak <- self$actual_instance
actual_type_bak <- self$actual_type
# if it's not valid, an error will be thrown
self$fromJSON(input)
# no error thrown, restore old values
self$actual_instance <- actual_instance_bak
self$actual_type <- actual_type_bak
},
#' Returns the string representation of the instance.
#'
#' @description
#' Returns the string representation of the instance.
#'
#' @return The string representation of the instance.
#' @export
toString = function() {
jsoncontent <- c(
sprintf('"actual_instance": %s', if (is.null(self$actual_instance)) NULL else self$actual_instance$toJSONString()),
sprintf('"actual_type": "%s"', self$actual_type),
sprintf('"one_of": "%s"', paste(unlist(self$one_of), collapse = ", "))
)
jsoncontent <- paste(jsoncontent, collapse = ",")
as.character(jsonlite::prettify(paste("{", jsoncontent, "}", sep = "")))
},
#' Print the object
#'
#' @description
#' Print the object
#'
#' @export
print = function() {
print(jsonlite::prettify(self$toJSONString()))
invisible(self)
}
),
# Lock the class to prevent modifications to the method or field
lock_class = TRUE
)
## Uncomment below to unlock the class to allow modifications of the method or field
#Pig$unlock()
#
## Below is an example to define the print function
#Pig$set("public", "print", function(...) {
# print(jsonlite::prettify(self$toJSONString()))
# invisible(self)
#})
## Uncomment below to lock the class to prevent modifications to the method or field
#Pig$lock()