method

cache_key

v4.0.2 - Show latest stable - Class: ActiveRecord::Integration

cache_key()

public

Returns a cache key that can be used to identify this record.

Product.new.cache_key     # => "products/new"
Product.find(5).cache_key # => "products/5" (updated_at not available)
Person.find(5).cache_key  # => "people/5-20071224150000" (updated_at available)

# File activerecord/lib/active_record/integration.rb, line 48
    def cache_key
      case
      when new_record?
        "#{self.class.model_name.cache_key}/new"
      when timestamp = max_updated_column_timestamp
        timestamp = timestamp.utc.to_s(cache_timestamp_format)
        "#{self.class.model_name.cache_key}/#{id}-#{timestamp}"
      else
        "#{self.class.model_name.cache_key}/#{id}"
      end
    end

cache_key

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