Class: Onfire::EventTable

Inherits:
Object
  • Object
show all
Defined in:
lib/onfire/event_table.rb

Overview

Keeps all event handlers attached to one object.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EventTable

Returns a new instance of EventTable.



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# File 'lib/onfire/event_table.rb', line 6

def initialize
  @source2evt = {}
end

Instance Attribute Details

#source2evt ⇒ Object

Returns the value of attribute source2evt.



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# File 'lib/onfire/event_table.rb', line 4

def source2evt
  @source2evt
end

Instance Method Details

#add_handler(handler, opts) ⇒ Object 



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# File 'lib/onfire/event_table.rb', line 10

def add_handler(handler, opts)
  event_type    = opts[:event_type]
  source_name   = opts[:from] || nil
  
  handlers_for(event_type, source_name) << handler
end

#all_handlers_for(event_type, source_name) ⇒ Object

Returns all handlers, with :from first, then catch-all.



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# File 'lib/onfire/event_table.rb', line 23

def all_handlers_for(event_type, source_name)
  handlers_for(event_type, source_name) + handlers_for(event_type, nil)
end

#handlers_for(event_type, source_name = nil) ⇒ Object 



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# File 'lib/onfire/event_table.rb', line 17

def handlers_for(event_type, source_name=nil)
  evt_types = source2evt[source_name] ||= {}
  evt_types[event_type] ||= []
end