Class: BlockObserver

Inherits:

Object

Object
BlockObserver

show all

Includes:: Observer

Defined in:: lib/command_handlers/models/block_observer.rb

Overview

Observer that takes an updater block to process updates

Instance Method Summary collapse

#initialize(&updater) ⇒ BlockObserver constructor

A new instance of BlockObserver.
#update(changed_value = nil) ⇒ Object

Methods included from Observer

#add_dependent, #dependents, #dependents_for, #register, #registrations, #registrations_for, #remove_dependent, #unregister, #unregister_all_observables, #unregister_dependents_with_observable

Constructor Details

#initialize(&updater) ⇒ `BlockObserver`

Returns a new instance of BlockObserver.



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# File 'lib/command_handlers/models/block_observer.rb', line 7

def initialize(&updater)
  @updater = updater
end

Instance Method Details

#update(changed_value = nil) ⇒ `Object`



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# File 'lib/command_handlers/models/block_observer.rb', line 11

def update(changed_value=nil)
  @updater.call(changed_value)
end