Class: LB::Project::Registry

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/lb/project/registry.rb,
lib/lb/project/registry/registration.rb

Overview

Basic key value store

Defined Under Namespace

Modules: Registration Classes: KeyNotFoundError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(keys = {}) ⇒ Registry

Returns a new instance of Registry.



19
20
21
 
# File 'lib/lb/project/registry.rb', line 19

def initialize(keys = {})
  @keys = keys
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(key) ⇒ Object (private) 



53
54
55
 
# File 'lib/lb/project/registry.rb', line 53

def method_missing(key, *)
  keys.fetch(key) { super }
end

Instance Attribute Details

#keys ⇒ Object (readonly)

Returns the value of attribute keys.



10
11
12
 
# File 'lib/lb/project/registry.rb', line 10

def keys
  @keys
end

Instance Method Details

#each(&block) ⇒ Object 



23
24
25
26
 
# File 'lib/lb/project/registry.rb', line 23

def each(&block)
  return to_enum unless block
  keys.each_pair { |key, value| yield(key, value) }
end

#fetch(key) ⇒ Object Also known as: []

Raises:

  • (ArgumentError) 


32
33
34
35
36
37
38
39
40
 
# File 'lib/lb/project/registry.rb', line 32

def fetch(key)
  raise ArgumentError, 'key cannot be nil' if key.nil?

  keys.fetch(key.to_sym) do
    return yield if block_given?

    raise KeyNotFoundError, key
  end
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


28
29
30
 
# File 'lib/lb/project/registry.rb', line 28

def key?(key)
  !key.nil? && keys.key?(key.to_sym)
end

#register(key, value) ⇒ Object 



47
48
49
 
# File 'lib/lb/project/registry.rb', line 47

def register(key, value)
  keys[key] = value
end

#respond_to_missing?(key, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


43
44
45
 
# File 'lib/lb/project/registry.rb', line 43

def respond_to_missing?(key, include_private = false)
  keys.key?(key) || super
end