Class: Metacrunch::Redis::QueueDestination

Inherits:
Object
  • Object
show all
Defined in:
lib/metacrunch/redis/queue_destination.rb

Instance Method Summary collapse

Constructor Details

#initialize(redis_connection_or_url, queue_name, options = {}) ⇒ QueueDestination

Returns a new instance of QueueDestination.

Raises:

  • (ArgumentError) 


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# File 'lib/metacrunch/redis/queue_destination.rb', line 6

def initialize(redis_connection_or_url, queue_name, options = {})
  @queue_name = queue_name
  raise ArgumentError, "queue_name must be a string" unless queue_name.is_a?(String)

  @save_on_close = options.delete(:save_on_close) || true

  @redis = if redis_connection_or_url.is_a?(String)
    ::Redis.new(url: redis_connection_or_url)
  else
    redis_connection_or_url
  end
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/metacrunch/redis/queue_destination.rb', line 31

def close
  if @redis
    @redis.bgsave if @save_on_close
    @redis.close
  end
end

#write(data) ⇒ Object 



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# File 'lib/metacrunch/redis/queue_destination.rb', line 19

def write(data)
  @redis.rpush(@queue_name, data)
rescue RuntimeError => e
  if e.message =~ /maxmemory/
    puts "Redis has reached maxmemory. Waiting 10 seconds and trying again..."
    sleep(10)
    retry
  else
    raise e
  end
end