Class: Configatron

Inherits:
ConfigatronBlankSlate show all
Includes:
Singleton
Defined in:
lib/configatron/store.rb,
lib/configatron/errors.rb,
lib/configatron/configatron.rb

Defined Under Namespace

Classes: LockedNamespace, ProtectedParameter, Store

Constant Summary

Constants inherited from ConfigatronBlankSlate

ConfigatronBlankSlate::CONFIGATRON_WHITELIST

Instance Method Summary collapse

Methods inherited from ConfigatronBlankSlate

find_hidden_method, hide, reveal

Constructor Details

#initialize ⇒ Configatron

:nodoc:



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# File 'lib/configatron/configatron.rb', line 6

def initialize # :nodoc:
  @_namespace = [:default]
  reset!
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args) ⇒ Object

Forwards the method call onto the ‘namespaced’ Configatron::Store



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# File 'lib/configatron/configatron.rb', line 12

def method_missing(sym, *args)
  @_store[@_namespace.last].__send__(sym, *args)
end

Instance Method Details

#reset! ⇒ Object

Removes ALL configuration parameters



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# File 'lib/configatron/configatron.rb', line 17

def reset!
  @_store = {:default => Configatron::Store.new}
end

#temp(options = nil) ⇒ Object

Allows for the temporary overriding of parameters in a block. Takes an optional Hash of parameters that will be applied before the block gets called. At the end of the block, the temporary settings are deleted and the original settings are reinstated.



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# File 'lib/configatron/configatron.rb', line 25

def temp(options = nil)
  begin
    temp_start(options)
    yield
  rescue Exception => e
    raise e
  ensure
    temp_end
  end
end

#temp_end ⇒ Object 



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# File 'lib/configatron/configatron.rb', line 45

def temp_end
  @_store.delete(@_namespace.pop)
end

#temp_start(options = nil) ⇒ Object 



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# File 'lib/configatron/configatron.rb', line 36

def temp_start(options = nil)
  n_space = rand
  @_store[n_space] = @_store[@_namespace.last].deep_clone
  @_namespace << n_space
  if options
    self.method_missing(:configure_from_hash, options)
  end
end