Method: Moneta::Defaults#fetch

Defined in:

lib/moneta/mixins.rb

#fetch(key, options = {}, &block) ⇒ Object #fetch(key, default, options = {}) ⇒ Object

Fetch a value with a key

Overloads:

• #fetch(key, options = {}, &block) ⇒ Object

  retrieve a key. if the key is not available, execute the block and return its return value.

  Parameters:

  • key (Object)
  • options (Hash) (defaults to: {})

  Options Hash (options):

  • :expires (Integer) —

    Update expiration time (See Expires)

  • :raw (Boolean) —

    Raw access without value transformation (See Transformer)

  • :prefix (String) —

    Prefix key (See Transformer)

  Returns:

  • (Object) —

    value from store

• #fetch(key, default, options = {}) ⇒ Object

  retrieve a key. if the key is not available, return the default value.

  Parameters:

  • key (Object)
  • default (Object) —

    Default value

  • options (Hash) (defaults to: {})

  Options Hash (options):

  • :expires (Integer) —

    Update expiration time (See Expires)

  • :raw (Boolean) —

    Raw access without value transformation (See Transformer)

  • :prefix (String) —

    Prefix key (See Transformer)

  Returns:

  • (Object) —

    value from store

# File 'lib/moneta/mixins.rb', line 179

def fetch(key, default = nil, options = nil)
  if block_given?
    raise ArgumentError, 'Only one argument accepted if block is given' if options
    result = load(key, default || {})
    result == nil ? yield(key) : result
  else
    result = load(key, options || {})
    result == nil ? default : result
  end
end