Module: Lumber::InheritanceRegistry

Extended by:
InheritanceRegistry, MonitorMixin
Included in:
InheritanceRegistry
Defined in:
lib/lumber/inheritance_registry.rb

Instance Method Summary collapse

Instance Method Details

#[](class_name) ⇒ Object 



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# File 'lib/lumber/inheritance_registry.rb', line 15

def [](class_name)
  synchronize do
    @mapping[class_name]
  end
end

#[]=(class_name, logger_fullname) ⇒ Object 



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# File 'lib/lumber/inheritance_registry.rb', line 9

def []=(class_name, logger_fullname)
  synchronize do
    @mapping[class_name] = logger_fullname
  end
end

#clear ⇒ Object 



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# File 'lib/lumber/inheritance_registry.rb', line 21

def clear
  synchronize do
    @mapping.clear
  end
end

#find_registered_logger(clazz) ⇒ Object 



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# File 'lib/lumber/inheritance_registry.rb', line 27

def find_registered_logger(clazz)
  synchronize do
    return nil unless clazz
    logger_name = self[clazz.name]
    logger_name || find_registered_logger(clazz.superclass)
  end
end

#register_inheritance_handler ⇒ Object

Adds a inheritance handler to Object so we can add loggers for registered classes



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# File 'lib/lumber/inheritance_registry.rb', line 52

def register_inheritance_handler
  synchronize do

    return if defined?(Object.inherited_with_lumber_registry)

    Object.class_eval do

      class << self

        def inherited_with_lumber_registry(subclass)
          inherited_without_lumber_registry(subclass)

          # Add a logger to 'subclass' if it is directly in the registry
          # No need to check full inheritance chain LoggerSupport handles it
          # Also prevent rails from subsequently overriding our logger when rails
          # is loaded after registering logger inheritance
          if Lumber::InheritanceRegistry[subclass.name]
            subclass.send(:include, Lumber.logger_concern)
          end
        end

        alias_method_chain :inherited, :lumber_registry

      end

    end

  end
end

#remove_inheritance_handler ⇒ Object 



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# File 'lib/lumber/inheritance_registry.rb', line 35

def remove_inheritance_handler
  synchronize do

    return unless defined?(Object.inherited_with_lumber_registry)

    Object.class_eval do
      class << self
        remove_method :inherited_with_lumber_registry
        remove_method :inherited
        alias_method :inherited, :inherited_without_lumber_registry
      end
    end

  end
end