require 'resque-meta'

class MyJob
  extend Resque::Plugins::Meta

  def self.perform(meta_id, *args)
    heavy_lifting
  end
end

meta0 = MyJob.enqueue('stuff')
meta0.enqueued_at # => 'Wed May 19 13:42:41 -0600 2010'
meta0.meta_id # => '03c9e1a045ad012dd20500264a19273c'
meta0['foo'] = 'bar' # => 'bar'
meta0.save

# later
meta1 = MyJob.get_meta('03c9e1a045ad012dd20500264a19273c')
meta1.job_class # => MyJob
meta1.enqueued_at # => 'Wed May 19 13:42:41 -0600 2010'
meta1['foo'] # => 'bar'