Class: Droonga::Plugins::Dump::Dumper

Inherits:
Object
  • Object
show all
Includes:
Loggable
Defined in:
lib/droonga/plugins/dump.rb

Instance Method Summary collapse

Constructor Details

#initialize(context, loop, messenger, request) ⇒ Dumper

Returns a new instance of Dumper.



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# File 'lib/droonga/plugins/dump.rb', line 85

def initialize(context, loop, messenger, request)
  @context = context
  @loop = loop
  @messenger = messenger
  @request = request
end

Instance Method Details

#start_dump ⇒ Object 



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# File 'lib/droonga/plugins/dump.rb', line 92

def start_dump
  setup_forward_data

  forward("dump.start")

  dumper = Fiber.new do
    dump_schema
    dump_records
    dump_indexes
    forward("dump.end")
  end

  on_error = lambda do |exception|
    message = "failed to dump"
    logger.exception(message, $!)
    error("DumpFailure", message)
  end

  timer = Coolio::TimerWatcher.new(0.1, true)
  timer.on_timer do
    begin
      dumper.resume
    rescue FiberError
      timer.detach
    rescue
      timer.detach
      on_error.call($!)
    end
  end

  @loop.attach(timer)
end