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#' WPSStatus
#'
#' @docType class
#' @export
#' @keywords OGC WPS Status
#' @return Object of \code{\link[R6]{R6Class}} for modelling a WPS Status
#' @format \code{\link[R6]{R6Class}} object.
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
WPSStatus <- R6Class("WPSStatus",
inherit = OGCAbstractObject,
private = list(
xmlElement = "Status",
xmlNamespacePrefix = "WPS"
),
public = list(
#'@field value status value
value = NULL,
#'@field percentCompleted status percentage of completion
percentCompleted = 0L,
#'@description Initalizes a \link{WPSStatus} object
#'@param xml an object of class \link[XML]{XMLInternalNode-class} from \pkg{XML}
#'@param serviceVersion WPS service version. Default is "1.0.0"
initialize = function(xml = NULL, serviceVersion = "1.0.0") {
private$xmlNamespacePrefix = paste(private$xmlNamespacePrefix, gsub("\\.", "_", serviceVersion), sep="_")
super$initialize(xml = xml, element = private$xmlElement, namespacePrefix = private$xmlNamespacePrefix)
if(!is.null(xml)){
print(xml)
self$decode(xml)
}
},
#'@description Decodes WPS status from XML
#'@param xml an object of class \link[XML]{XMLInternalNode-class} from \pkg{XML}
decode = function(xml){
self$value <- xmlName(xmlChildren(xml)[[1]])
percentCompleted = xmlGetAttr(xmlChildren(xml)[[1]], "percentCompleted")
if(!is.null(percentCompleted)) self$percentCompleted = as(percentCompleted, "integer")
if(self$value == "ProcessSucceeded") self$percentCompleted <- 100L
self$attrs$creationTime <- as.POSIXct(xmlGetAttr(xml, "creationTime"), format= "%Y-%m-%dT%H:%M:%S")
},
#'@description Get status value, among accepted WPS status values defined in the WPS standard:
#' \code{ProcessAccepted}, \code{ProcessStarted}, \code{ProcessPaused}, \code{ProcessSucceeded},
#' \code{ProcessFailed}.
#'@return value, object of class \code{character}
getValue = function(){
return(self$value)
},
#'@description Get percentage of completion
#'@return the percentage of completion, object of class \code{integer}
getPercentCompleted = function(){
return(self$percentCompleted)
},
#'@description Get creation time
#'@return the creation time, object of class \code{POSIXct}
getCreationTime = function(){
return(self$attrs$creationTime)
}
)
)
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