Module: SuperModel::Marshal

Extended by:
Marshal
Included in:
Marshal
Defined in:
lib/supermodel/marshal.rb

Defined Under Namespace

Modules: Model

Instance Method Summary collapse

Instance Method Details

#dumpObject


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# File 'lib/supermodel/marshal.rb', line 40

def dump
  return unless path
  tmp_file = Tempfile.new("rbdump")
  tmp_file.binmode
  data = klasses.inject({}) {|hash, klass|
    hash[klass] = klass.marshal_records
    hash
  }
  ::Marshal.dump(data, tmp_file)
 tmp_file.close
  # Atomic serialization - so we never corrupt the db
  FileUtils.mv(tmp_file.path, path)
  true
end

#klassesObject


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# File 'lib/supermodel/marshal.rb', line 14

def klasses
  @klasses ||= []
end

#loadObject


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# File 'lib/supermodel/marshal.rb', line 18

def load
  return unless path
  return unless File.exist?(path)
  data = []
  File.open(path, "rb") do |file|
    begin
      data = ::Marshal.load(file)
    rescue => e
      if defined?(Bowline)
        Bowline::Logging.log_error(e)
      end
      # Lots of errors can occur during
      # marshaling - such as EOF etc
      return false
    end
  end
  data.each do |klass, records| 
    klass.marshal_records = records
  end
  true
end

#pathObject


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# File 'lib/supermodel/marshal.rb', line 6

def path
  @path || raise("Provide a path")
end

#path=(p) ⇒ Object


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# File 'lib/supermodel/marshal.rb', line 10

def path=(p)
  @path = p
end