Class: ActiveSupport::Notifications::Fanout

### Home Classes Methods

### In Files

- lib/active_support/notifications/fanout.rb

### Parent

Object

### Methods

- ::new
- #listeners_for
- #listening?
- #publish
- #subscribe
- #unsubscribe
- #wait

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No matching classes.

# ActiveSupport::Notifications::Fanout

This is a default queue implementation that ships with Notifications. It just pushes events to all registered log subscribers.

### Public Class Methods

new() click to toggle source

    # File lib/active_support/notifications/fanout.rb, line 6
    def initialize
      @subscribers = []
      @listeners_for = {}
    end

### Public Instance Methods

listeners_for(name) click to toggle source

    # File lib/active_support/notifications/fanout.rb, line 28
    def listeners_for(name)
      @listeners_for[name] ||= @subscribers.select { |s| s.subscribed_to?(name) }
    end

listening?(name) click to toggle source

    # File lib/active_support/notifications/fanout.rb, line 32
    def listening?(name)
      listeners_for(name).any?
    end

publish(name, *args) click to toggle source

    # File lib/active_support/notifications/fanout.rb, line 24
    def publish(name, *args)
      listeners_for(name).each { |s| s.publish(name, *args) }
    end

subscribe(pattern = nil, block = Proc.new) click to toggle source

    # File lib/active_support/notifications/fanout.rb, line 11
    def subscribe(pattern = nil, block = Proc.new)
      subscriber = Subscriber.new(pattern, block).tap do |s|
        @subscribers << s
      end
      @listeners_for.clear
      subscriber
    end

unsubscribe(subscriber) click to toggle source

    # File lib/active_support/notifications/fanout.rb, line 19
    def unsubscribe(subscriber)
      @subscribers.reject! {|s| s.matches?(subscriber)}
      @listeners_for.clear
    end

wait() click to toggle source

This is a sync queue, so there is no waiting.

    # File lib/active_support/notifications/fanout.rb, line 37
    def wait
    end

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