Module: HeuristicCache

Defined in:
lib/heuristic_cache/cache_helper.rb,
lib/heuristic_cache/heuristic_cache.rb

Defined Under Namespace

Modules: Helpers Classes: Coefficient, TTL

Constant Summary collapse

CACHEABLE_STATUSES = 
Array.new

Class Method Summary collapse

Class Method Details

.cacheable?(object) ⇒ Boolean

Returns:

  • (Boolean) 


32
33
34
 
# File 'lib/heuristic_cache/heuristic_cache.rb', line 32

def self.cacheable?(object)
  CACHEABLE_STATUSES.empty? ? true : object.respond_to?(:status) && CACHEABLE_STATUSES.include?(object.status)
end

.init(file, env = 'development') ⇒ Object

Raises:

  • (ArgumentError) 


6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/heuristic_cache/heuristic_cache.rb', line 6

def self.init(file, env = 'development')

  raise ArgumentError, '[HEURISTIC_CACHE] Param env is required' if env == nil

  raise ArgumentError, '[HEURISTIC_CACHE] Param file (path config file) is required' if file == nil

  raise ArgumentError, '[HEURISTIC_CACHE] Param file (path config file) is invalid' unless File.exists?(file)

  yml = ::Commons::Yml.read(file)

  raise ArgumentError, "[HEURISTIC_CACHE] Config for ENV (#{env}) not found" unless yml[env]

  config = yml[env]['cache_config']

  STDOUT.puts '[HEURISTIC_CACHE] WARNING: attr time_to_live is required' if config["time_to_live"] == nil
  TTL.init(config["time_to_live"])

  STDOUT.puts '[HEURISTIC_CACHE] WARNING: attr coefficient is required' if config["coefficient"] == nil
  Coefficient.init(config["coefficient"])

  CACHEABLE_STATUSES.concat(config["cacheable_statuses"])

  nil

end