add realtime option, slightly refactor data acquisition
[talweg.git] / pkg / R / F_Persistence.R
index 19cf2e4..79cfe3c 100644 (file)
@@ -1,29 +1,27 @@
 #' @include Forecaster.R
 #'
-#' @title Persistence Forecaster
+#' Persistence Forecaster
 #'
-#' @description Return the last centered (similar) day curve.
-#'   Inherits \code{\link{Forecaster}}
-PersistenceForecaster = setRefClass(
-       Class = "PersistenceForecaster",
-       contains = "Forecaster",
+#' Return the last centered (similar) day curve.
+#' Inherits \code{\link{Forecaster}}
+#'
+PersistenceForecaster = R6::R6Class("PersistenceForecaster",
+       inherit = Forecaster,
 
-       methods = list(
-               initialize = function(...)
-               {
-                       callSuper(...)
-               },
-               predictShape = function(today, memory, horizon, ...)
+       public = list(
+               predictShape = function(data, today, memory, horizon, ...)
                {
                        # Return centered last (similar) day curve, avoiding NAs until memory is run
                        first_day = max(1, today-memory)
                        same_day = ifelse(hasArg("same_day"), list(...)$same_day, TRUE)
+                       realtime = ifelse(hasArg("realtime"), list(...)$realtime, FALSE)
                        # If 'same_day', get the last known future of similar day: -7 + 1 == -6
                        index = today - ifelse(same_day,6,0)
                        repeat
                        {
                                {
-                                       last_serie = data$getCenteredSerie(index)[1:horizon]
+                                       last_serie =
+                                               data$getCenteredSerie(index,hat=(index==today && realtime))[1:horizon]
                                        index = index - ifelse(same_day,7,1)
                                };
                                if (!any(is.na(last_serie)))