drake (version 5.0.0)

this_cache: Get the cache at the exact file path specified.

Description

This function does not apply to in-memory caches such as storr_environment().

Usage

this_cache(path = drake::default_cache_path(), force = FALSE,
  verbose = TRUE, fetch_cache = NULL)

Arguments

path

file path of the cache

force

logical, whether to load the cache despite any back compatibility issues with the running version of drake.

verbose,

whether to print the file path of the cache.

fetch_cache

character vector containing lines of code. The purpose of this code is to fetch the storr cache with a command like storr_rds() or storr_dbi(), but customized. This feature is experimental.

Value

A drake/storr cache at the specified path, if it exists.

Examples

# NOT RUN {
test_with_dir("Quarantine side effects.", {
clean(destroy = TRUE)
try(x <- this_cache(), silent = FALSE) # The cache does not exist yet.
load_basic_example() # Get the code with drake_example("basic").
make(my_plan) # Run the project, build the targets.
y <- this_cache() # Now, there is a cache.
z <- this_cache(".drake") # Same as above.
manual <- new_cache("manual_cache") # Make a new cache.
manual2 <- get_cache("manual_cache") # Get the new cache.
})
# }