Class: ActionSubscriber::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/action_subscriber/configuration.rb

Constant Summary collapse

CONFIGURATION_MUTEX = 
::Mutex.new
DEFAULTS = 
{
  :allow_low_priority_methods => false,
  :default_exchange => 'events',
  :heartbeat => 5,
  :host => 'localhost',
  :hosts => [],
  :port => 5672,
  :prefetch => 2,
  :seconds_to_wait_for_graceful_shutdown => 30,
  :threadpool_size => 8,
  :timeout => 1,
  :username => "guest",
  :password => "guest",
  :virtual_host => "/"
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Instance Methods



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# File 'lib/action_subscriber/configuration.rb', line 68

def initialize
  self.decoder = {
    'application/json' => lambda { |payload| JSON.parse(payload) },
    'text/plain' => lambda { |payload| payload.dup }
  }

  self.error_handler = lambda { |error, env_hash| raise }

  DEFAULTS.each_pair do |key, value|
    self.__send__("#{key}=", value)
  end
end

Instance Attribute Details

#allow_low_priority_methods ⇒ Object

Returns the value of attribute allow_low_priority_methods.



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# File 'lib/action_subscriber/configuration.rb', line 6

def allow_low_priority_methods
  @allow_low_priority_methods
end

#decoder ⇒ Object

Returns the value of attribute decoder.



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# File 'lib/action_subscriber/configuration.rb', line 6

def decoder
  @decoder
end

#default_exchange ⇒ Object

Returns the value of attribute default_exchange.



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# File 'lib/action_subscriber/configuration.rb', line 6

def default_exchange
  @default_exchange
end

#error_handler ⇒ Object

Returns the value of attribute error_handler.



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# File 'lib/action_subscriber/configuration.rb', line 6

def error_handler
  @error_handler
end

#heartbeat ⇒ Object

Returns the value of attribute heartbeat.



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# File 'lib/action_subscriber/configuration.rb', line 6

def heartbeat
  @heartbeat
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/action_subscriber/configuration.rb', line 6

def host
  @host
end

#hosts ⇒ Object

Returns the value of attribute hosts.



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# File 'lib/action_subscriber/configuration.rb', line 6

def hosts
  @hosts
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/action_subscriber/configuration.rb', line 6

def password
  @password
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/action_subscriber/configuration.rb', line 6

def port
  @port
end

#prefetch ⇒ Object

Returns the value of attribute prefetch.



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# File 'lib/action_subscriber/configuration.rb', line 6

def prefetch
  @prefetch
end

#seconds_to_wait_for_graceful_shutdown ⇒ Object

Returns the value of attribute seconds_to_wait_for_graceful_shutdown.



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# File 'lib/action_subscriber/configuration.rb', line 6

def seconds_to_wait_for_graceful_shutdown
  @seconds_to_wait_for_graceful_shutdown
end

#threadpool_size ⇒ Object

Returns the value of attribute threadpool_size.



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# File 'lib/action_subscriber/configuration.rb', line 6

def threadpool_size
  @threadpool_size
end

#timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/action_subscriber/configuration.rb', line 6

def timeout
  @timeout
end

#username ⇒ Object

Returns the value of attribute username.



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# File 'lib/action_subscriber/configuration.rb', line 6

def username
  @username
end

#virtual_host ⇒ Object

Returns the value of attribute virtual_host.



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# File 'lib/action_subscriber/configuration.rb', line 6

def virtual_host
  @virtual_host
end

Class Method Details

.configure_from_yaml_and_cli(cli_options = {}, reload = false) ⇒ Object

Class Methods



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# File 'lib/action_subscriber/configuration.rb', line 43

def self.configure_from_yaml_and_cli(cli_options = {}, reload = false)
  CONFIGURATION_MUTEX.synchronize do
    @configure_from_yaml_and_cli = nil if reload
    @configure_from_yaml_and_cli ||= begin
      env = ENV["RAILS_ENV"] || ENV["RACK_ENV"] || ENV["APP_ENV"] || "development"

      yaml_config = {}
      absolute_config_path = ::File.expand_path(::File.join("config", "action_subscriber.yml"))
      if ::File.exists?(absolute_config_path)
        yaml_config = ::YAML.load_file(absolute_config_path)[env]
      end

      ::ActionSubscriber::Configuration::DEFAULTS.each_pair do |key, value|
        setting = cli_options[key] || yaml_config[key.to_s]
        ::ActionSubscriber.config.__send__("#{key}=", setting) if setting
      end

      true
    end
  end
end

Instance Method Details

#add_decoder(decoders) ⇒ Object

Instance Methods



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# File 'lib/action_subscriber/configuration.rb', line 84

def add_decoder(decoders)
  decoders.each_pair do |content_type, decoder|
    unless decoder.arity == 1
      raise "ActionSubscriber decoders must have an arity of 1. The #{content_type} decoder was given with arity of #{decoder.arity}."
    end
  end

  self.decoder.merge!(decoders)
end

#connection_string=(url) ⇒ Object 



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# File 'lib/action_subscriber/configuration.rb', line 94

def connection_string=(url)
  settings = ::ActionSubscriber::URI.parse_amqp_url(url)
  settings.each do |key, value|
    send("#{key}=", value)
  end
end

#inspect ⇒ Object 



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# File 'lib/action_subscriber/configuration.rb', line 110

def inspect
  inspection_string  = "    Rabbit Hosts: \#{hosts}\n    Rabbit Port: \#{port}\n    Threadpool Size: \#{threadpool_size}\n    Low Priority Subscriber: \#{allow_low_priority_methods}\n    Decoders:\n  INSPECT\n  decoder.each_key { |key| inspection_string << \"  --\#{key}\\n\" }\n  return inspection_string\nend\n".strip_heredoc

#middleware ⇒ Object 



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# File 'lib/action_subscriber/configuration.rb', line 106

def middleware
  @middleware ||= Middleware.initialize_stack
end