Class: Celluloid::Supervision::Configuration::Instance

Inherits:
Object
  • Object
show all
Defined in:
lib/celluloid/supervision/configuration/instance.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration = {}) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 7

def initialize(configuration={})
  @state = :initializing # :ready
  resync_accessors
  @configuration = configuration
  define(configuration) if configuration.any?
end

Instance Attribute Details

#configuration ⇒ Object

Returns the value of attribute configuration.



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 5

def configuration
  @configuration
end

Instance Method Details

#define(instance, fail = false) ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 25

def define(instance, fail=false)
  fail Configuration::Error::AlreadyDefined if ready? fail
  invoke_injection(:before_configuration)
  @configuration = Configuration.options(instance)
  ready?
end

#delete(k) ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 101

def delete(k)
  @configuration.delete(k)
end

#export ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 14

def export
  @configuration.select { |k, v| !REMOVE_AT_EXPORT.include? k }
end

#get(key) ⇒ Object Also known as: [] 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 96

def get(key)
  @configuration[key]
end

#injection!(key, proc) ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 32

def injection!(key, proc)
  @configuration[:injections] ||= {}
  @configuration[:injections][key] = proc
end

#injections!(_procs) ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 37

def injections!(_procs)
  @configuration[:injections] = proces
end

#key?(k) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/celluloid/supervision/configuration/instance.rb', line 87

def key?(k)
  @configuration.key?(k)
end

#merge(values) ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 77

def merge(values)
  if values.is_a? Configuration
    @configuration.merge(values.configuration)
  elsif values.is_a? Hash
    @configuration.merge(values)
  else
    fail Error::Invalid
  end
end

#merge!(values) ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 73

def merge!(values)
  @configuration = @configuration.merge(values)
end

#ready?(fail = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/celluloid/supervision/configuration/instance.rb', line 18

def ready?(fail=false)
  unless @state == :ready
    @state = :ready if Configuration.valid? @configuration, fail
  end
  @state == :ready
end

#resync_accessors ⇒ Object 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 41

def resync_accessors
  # methods for setting and getting the usual defaults
  Configuration.parameters(:mandatory, :optional, :plugins, :meta).each do |key|
    self.class.instance_eval do
      remove_method :"#{key}!" rescue nil # avoid warnings in tests
      define_method(:"#{key}!") { |value| @configuration[key] = value }
    end
    self.class.instance_eval do
      remove_method :"#{key}=" rescue nil # avoid warnings in tests
      define_method(:"#{key}=") { |value| @configuration[key] = value }
    end
    self.class.instance_eval do
      remove_method :"#{key}?" rescue nil # avoid warnings in tests
      define_method(:"#{key}?") { !@configuration[key].nil? }
    end
    self.class.instance_eval do
      remove_method :"#{key}" rescue nil # avoid warnings in tests
      define_method(:"#{key}") { @configuration[key] }
    end
  end

  Configuration.aliases.each do |_alias, _original|
    ["!", :"=", :"?", :""]. each do |m|
      self.class.instance_eval do
        remove_method :"#{_alias}#{m}" rescue nil # avoid warnings in tests
        alias_method :"#{_alias}#{m}", :"#{_original}#{m}"
      end
    end
  end
  true
end

#set(key, value) ⇒ Object Also known as: []= 



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# File 'lib/celluloid/supervision/configuration/instance.rb', line 91

def set(key, value)
  @configuration[key] = value
end