jdeboer / DataCache

Package to maintain a data cache.

DataCache: R Package for Managing Data Caches

The latest development version can be installed using the devtools package:

devtools::install_github('jbryer/DataCache')

Example

This example will load weather data.

library('weatherData')
library('DataCache')

loadWeatherData <- function(station_id='ALB') {
	return(list(weather=getDetailedWeather(station_id, Sys.Date())))
}

cacheData(loadWeatherData)
cache.info()
cache.info(stale=c('2mins'=nMinutes(2)))

Wait two minutes so the cache becomes stale.

Sys.sleep(120)
cacheData(loadWeatherData, nMinutes(2))