Class: Firebolt::Config

Inherits:
Hash
  • Object
show all
Defined in:
lib/firebolt/config.rb

Constant Summary collapse

CACHE_FILENAME = 
"firebolt.cache.json".freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Config

Constructor!



8
9
10
11
12
13
 
# File 'lib/firebolt/config.rb', line 8

def initialize(options = {})
  merge!(options)

  self[:cache_file_path] ||= '/tmp'
  self[:namespace] ||= ::SecureRandom.hex
end

Class Method Details

.hash_accessor(*names) ⇒ Object

Creates an accessor that simply sets and reads a key in the hash:

class Config < Hash
  hash_accessor :app
end

config = Config.new
config.app = Foo
config[:app] #=> Foo

config[:app] = Bar
config.app #=> Bar



32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/firebolt/config.rb', line 32

def self.hash_accessor(*names) #:nodoc:
  names.each do |name|
    class_eval "      def \#{name}\n        self[:\#{name}]\n      end\n\n      def \#{name}=(value)\n        self[:\#{name}] = value\n      end\n    METHOD\n  end\nend\n", __FILE__, __LINE__ + 1

Instance Method Details

#cache_file ⇒ Object

Public instance methods



52
53
54
 
# File 'lib/firebolt/config.rb', line 52

def cache_file
  ::File.join(self[:cache_file_path], CACHE_FILENAME)
end

#cache_file_enabled? ⇒ Boolean

Returns:

  • (Boolean) 


56
57
58
 
# File 'lib/firebolt/config.rb', line 56

def cache_file_enabled?
  !! ::Firebolt.config.cache_file_enabled
end

#cache_file_path=(path) ⇒ Object

Raises:

  • (ArgumentError) 


60
61
62
63
64
65
 
# File 'lib/firebolt/config.rb', line 60

def cache_file_path=(path)
  raise ArgumentError, "Directory '#{path}' does not exist or is not writable." unless ::File.writable?(path)

  self[:cache_file_enabled] = true
  self[:cache_file_path] = path
end

#cache_file_readable? ⇒ Boolean

Returns:

  • (Boolean) 


67
68
69
 
# File 'lib/firebolt/config.rb', line 67

def cache_file_readable?
  ::File.readable?(cache_file)
end

#namespace ⇒ Object 



71
72
73
 
# File 'lib/firebolt/config.rb', line 71

def namespace
  @namespace ||= "firebolt.#{self[:namespace]}"
end

#use_file_warmer? ⇒ Boolean

Returns:

  • (Boolean) 


75
76
77
 
# File 'lib/firebolt/config.rb', line 75

def use_file_warmer?
  cache_file_enabled? && cache_file_readable?
end

#warmer=(value) ⇒ Object

Raises:

  • (ArgumentError) 


79
80
81
82
83
84
 
# File 'lib/firebolt/config.rb', line 79

def warmer=(value)
  raise ArgumentError, "Warmer must include the ::Firebolt::Warmer module." unless value.ancestors.include?(::Firebolt::Warmer)
  raise ArgumentError, "Warmer must respond to #perform." unless value.instance_methods.include?(:perform)

  self[:warmer] = value
end