class Geminabox::Geminabox::Geminabox::DiskCache
Attributes
root_path[R]
Public Class Methods
new(root_path)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 6 def initialize(root_path) @root_path = root_path ensure_dir_exists! end
Public Instance Methods
cache(key) { || ... }
click to toggle source
# File lib/geminabox/disk_cache.rb, line 21 def cache(key) key_hash = key_hash(key) read(key_hash) || write(key_hash, yield) end
flush()
click to toggle source
# File lib/geminabox/disk_cache.rb, line 16 def flush FileUtils.rm_rf(root_path) ensure_dir_exists! end
flush_key(key)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 11 def flush_key(key) path = path(key_hash(key)) FileUtils.rm_f(path) end
marshal_cache(key) { || ... }
click to toggle source
# File lib/geminabox/disk_cache.rb, line 26 def marshal_cache(key) key_hash = key_hash(key) marshal_read(key_hash) || marshal_write(key_hash, yield) end
Protected Instance Methods
ensure_dir_exists!()
click to toggle source
# File lib/geminabox/disk_cache.rb, line 33 def ensure_dir_exists! FileUtils.mkdir_p(root_path) end
key_hash(key)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 37 def key_hash(key) Digest::MD5.hexdigest(key) end
marshal_read(key_hash)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 49 def marshal_read(key_hash) read_int(key_hash) { |path| Marshal.load(File.open(path)) } end
marshal_write(key_hash, value)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 63 def marshal_write(key_hash, value) write_int(key_hash) { |f| Marshal.dump(value, f) } value end
path(key_hash)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 41 def path(key_hash) File.join(root_path, key_hash) end
read(key_hash)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 45 def read(key_hash) read_int(key_hash) { |path| File.read(path) } end
read_int(key_hash) { |path| ... }
click to toggle source
# File lib/geminabox/disk_cache.rb, line 53 def read_int(key_hash) path = path(key_hash) yield(path) if File.exists?(path) end
write(key_hash, value)
click to toggle source
# File lib/geminabox/disk_cache.rb, line 58 def write(key_hash, value) write_int(key_hash) { |f| f << value } value end
write_int(key_hash) { |f| ... }
click to toggle source
# File lib/geminabox/disk_cache.rb, line 68 def write_int(key_hash) File.open(path(key_hash), 'wb') { |f| yield(f) } end