Module: Garant

Defined in:
lib/garant.rb,
lib/garant/config.rb,
lib/garant/errors.rb,
lib/garant/version.rb

Defined Under Namespace

Classes: Config, MaxRetriesExceeded, MissingHashValue

Constant Summary collapse

VERSION = 
"0.1.0"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.config ⇒ Object

Returns the value of attribute config.



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# File 'lib/garant/config.rb', line 3

def config
  @config
end

Class Method Details

.safe(&block) ⇒ Object 



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# File 'lib/garant.rb', line 9

def safe(&block)
  retries = 0
  hashed_value = nil

  while true do
    hashed_value = block.call
    raise MissingHashedValue.new if hashed_value.nil?
    raise MaxRetriesExceeded.new if config.max_retries <= retries
    if config.storage.include?(hashed_value)
      retries += 1
    else
      config.storage.add(hashed_value)
      return hashed_value
    end
  end

end

.setup {|config| ... } ⇒ Object

Yields:



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# File 'lib/garant/config.rb', line 6

def self.setup
  self.config ||= Config.new
  yield config
end