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# File 'lib/worker/queue.rb', line 95
def run(number_to_run=nil)
begin
while true
logger.debug("Polling")
t1 = Time.now
failures = 0
successes = 0
dequeue.each do |item|
if number_to_run
number_to_run -= 1
end
logger.info("Performing #{item[:job_class]}.#{item[:id]} attempts=#{item[:attempts]} priority=#{item[:priority]} run_at=#{item[:run_at]}")
job = nil
begin
job = eval(item[:job_class]).deserialize(item[:handler])
Timeout::timeout(max_job_time) do
job.before
job.perform
job.on_success
end
remove(item[:id])
successes += 1
logger.info("Successful #{item[:job_class]}.#{item[:id]}")
rescue Exception => e
job.on_failure if job
if item[:attempts] + 1 > max_attempts
remove(item[:id])
else
set_error(item, e)
end
failures += 1
logger.info("Failed #{item[:job_class]}.#{item[:id]} err: #{e.class.name} #{e.message}")
if log_backtrace
puts e.backtrace
end
end
end
t2 = Time.now
if failures + successes > 0
logger.info("Performed #{failures + successes} jobs in #{t2 - t1} seconds")
end
return if number_to_run && number_to_run <= 0
sleep(poll_interval)
end
rescue StandardError => e
logger.warn("Exiting due to #{e}")
return
ensure
logger.info("Unlocking")
unlock_all
end
end
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