Class: Naf::Affinity

Inherits:
NafBase show all
Defined in:
app/models/naf/affinity.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from NafBase

full_table_name_prefix

Class Method Details

.names_list ⇒ Object 



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# File 'app/models/naf/affinity.rb', line 54

def self.names_list
  selectable.map do |a|
    classification = a.affinity_classification
    if classification.affinity_classification_name == 'machine'
      if a.affinity_short_name.present?
        [a.affinity_short_name, a.id]
      elsif ::Naf::Machine.find_by_id(Integer(a.affinity_name)).present?
        machine = ::Naf::Machine.find_by_id(Integer(a.affinity_name))
        [machine.hostname, a.id]
      else
        ['Bad affinity: ' + classification.affinity_classification_name + ', ' + a.affinity_name, a.id]
      end
    else
      [classification.affinity_classification_name + ', ' + a.affinity_name, a.id]
    end
  end
end

.pre_unpickle(unpickler) ⇒ Object 



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# File 'app/models/naf/affinity.rb', line 72

def self.pre_unpickle(unpickler)
  unpickler.references.merge!(Hash[::Naf::Affinity.all.map do |m|
                                [{ association_model_name: ::Naf::Affinity.name,
                                   association_classification_value: m.affinity_classification_id,
                                   association_affinity_value: m.affinity_name }, m]
                              end
                             ])
end

.selectable ⇒ Object

*** Class Methods *** ++++++++++++++++++++++



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# File 'app/models/naf/affinity.rb', line 50

def self.selectable
  where(selectable: true)
end

.unpickle(preserve, unpickler) ⇒ Object 



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# File 'app/models/naf/affinity.rb', line 81

def self.unpickle(preserve, unpickler)
  reference = unpickler.references[{ association_model_name: self.name,
                                     association_classification_value: preserve['affinity_classification_id']['association_value'],
                                     association_affinity_value: preserve['affinity_name'] }]
  if reference.present?
    return {}
  end

  attributes = {}
  reference_methods = []
  preserve.each do |method_name, value|
    unless method_name == 'id'
      if value.is_a?(Hash)
        # this is a reference
        reference_instance = unpickler.retrieve_reference(value)
        if reference_instance.nil?
          logger.error value.inspect
          logger.error { unpickler.references.map{ |r| r.inspect }.join("\n") }
          raise "couldn't find reference for #{value.inspect} in #{preserve.inspect}"
        end
        attributes[method_name.to_sym] = reference_instance.id
      else
        attributes[method_name.to_sym] = value
      end
    end
  end

  instance = self.new
  attributes.each do |method, value|
    instance.send("#{method}=".to_sym, value)
  end
  instance.save!
  logger.info "created #{instance.inspect}"

  return { { association_model_name: self.name,
             association_classification_value: preserve['affinity_classification_id']['association_value'],
             association_affinity_value: preserve['affinity_name'] } => instance }
end

Instance Method Details

#to_s ⇒ Object

*** Instance Methods *** +++++++++++++++++++++++++



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# File 'app/models/naf/affinity.rb', line 124

def to_s
  components = []
  components << "UNSELECTABLE" unless selectable
  components << "classification: \"#{affinity_classification_name}\""
  components << "name: \"#{affinity_name}\""

  return "::Naf::Affinity<#{components.join(', ')}>"
end

#validate_affinity_name ⇒ Object 



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# File 'app/models/naf/affinity.rb', line 133

def validate_affinity_name
  if affinity_classification.present? &&
    affinity_classification.affinity_classification_name == 'machine'

    machine = ::Naf::Machine.find_by_id(affinity_name)
    if machine.blank?
      return "There isn't a machine with that id!"
    end

    count = ::Naf::Affinity.
      where(affinity_classification_id: ::Naf::AffinityClassification.
              find_by_affinity_classification_name('machine').id,
            affinity_name: machine.id.to_s).count

    if count > 0
      return 'An affinity with the pair value (affinity_classification_id, affinity_name) already exists!'
    end
  end

  nil
end