Class: TokenOfFire::Scope

Inherits:
Object
  • Object
show all
Defined in:
lib/token_of_fire/scope.rb

Instance Method Summary collapse

Constructor Details

#initialize(event_bus, filter = {}) ⇒ Scope

Returns a new instance of Scope.

Raises:

  • (RuntimeError) 


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# File 'lib/token_of_fire/scope.rb', line 3

def initialize(event_bus, filter={})
  @event_bus = event_bus
  raise RuntimeError, "Provide hash please" unless filter.is_a? Hash
  @filter = filter
  @subscriptions = []
end

Instance Method Details

#attach(event_name, handler, method_name) ⇒ Object 



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# File 'lib/token_of_fire/scope.rb', line 16

def attach(event_name, handler, method_name)
  @subscriptions.push({
    :event_name => event_name,
    :handler => handler,
    :method_name => method_name
  })
  @subscriptions
end

#attach_subscriptions(list) ⇒ Object 



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# File 'lib/token_of_fire/scope.rb', line 10

def attach_subscriptions(list)
  list.each do |t|
    attach(t[0], t[1], t[2])
  end
end

#filter ⇒ Object 



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# File 'lib/token_of_fire/scope.rb', line 46

def filter
  @filter
end

#scope(filter = {}) ⇒ Object 



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# File 'lib/token_of_fire/scope.rb', line 25

def scope(filter={})
  TokenOfFire::Scope.new(@event_bus, @filter.merge(filter))
end

#subscriptions ⇒ Object 



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# File 'lib/token_of_fire/scope.rb', line 29

def subscriptions
  @subscriptions
end

#token ⇒ Object

def dettach(:name_of_event) @scope_a.dettach(:name_of_event)



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# File 'lib/token_of_fire/scope.rb', line 37

def token
  TokenOfFire::Token.new(@event_bus, self)
  #  starts with all subscriptions previously attached to a scope
end

#unique_token ⇒ Object 



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# File 'lib/token_of_fire/scope.rb', line 42

def unique_token
  TokenOfFire::Token.new(@event_bus, self, true)
end