Class: ActiveMatrix::EventHandlerArray

Inherits:
Hash
  • Object
show all
Includes:
Logging
Defined in:
lib/active_matrix/events.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

included, #logger, #logger=

Constructor Details

#initialize ⇒ EventHandlerArray

Returns a new instance of EventHandlerArray.



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# File 'lib/active_matrix/events.rb', line 8

def initialize(*)
  @reraise_exceptions = false

  super
end

Instance Attribute Details

#reraise_exceptions ⇒ Object

Returns the value of attribute reraise_exceptions.



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# File 'lib/active_matrix/events.rb', line 6

def reraise_exceptions
  @reraise_exceptions
end

Instance Method Details

#add_handler(filter = nil, id = nil, &block) ⇒ Object 



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# File 'lib/active_matrix/events.rb', line 14

def add_handler(filter = nil, id = nil, &block)
  id ||= block.hash
  self[id] = { filter: filter, id: id, block: block }
end

#fire(event, filter = nil) ⇒ Object 



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# File 'lib/active_matrix/events.rb', line 23

def fire(event, filter = nil)
  reverse_each do |_k, h|
    h[:block].call(event) if !h[:filter] || event.matches?(h[:filter], filter)
  rescue StandardError => e
    logger.error "#{e.class.name} occurred when firing event (#{event})\n#{e}"

    raise e if @reraise_exceptions
  end
end

#remove_handler(id) ⇒ Object 



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# File 'lib/active_matrix/events.rb', line 19

def remove_handler(id)
  delete id
end