class ApplicationModel < ActiveRecord::Base
  self.abstract_class = true

  def cache_update(o)
#    puts 'u ' + self.class.to_s
    if self.respond_to?('cache_delete') then self.cache_delete end
#    puts 'g ' + group.class.to_s
    if o.respond_to?('cache_delete') then o.cache_delete end
  end
  def cache_delete
    key = self.class.to_s + '::' + self.id.to_s
    Cache.delete( key.to_s )
  end
  def self.cache_set(data_id, data)
    key = self.to_s + '::' + data_id.to_s
    Cache.write( key.to_s, data )
  end
  def self.cache_get(data_id)
    key = self.to_s + '::' + data_id.to_s
    Cache.get( key.to_s )
  end
end