Class: ADSL::DS::DSDeleteTup

Inherits:

DSNode

• Object
• DSNode
• ADSL::DS::DSDeleteTup

Includes:

FOL

Defined in:

lib/adsl/ds/data_store_spec.rb,
lib/adsl/spass/spass_ds_extensions.rb

Instance Method Summary

• #migrate_state_spass(translation) ⇒ Object
• #prepare(translation) ⇒ Object

Methods inherited from DSNode

#list_entity_classes_read, #list_entity_classes_written_to, #replace, #replace_var

Instance Method Details

#migrate_state_spass(translation) ⇒ Object

# File 'lib/adsl/spass/spass_ds_extensions.rb', line 354

def migrate_state_spass(translation)
  return if @objset1.type.nil? or @objset2.type.nil?

  state = translation.create_state "post_deleteref_#{@relation.from_class.name}_#{@relation.name}"
  prev_state = translation.prev_state
  context = translation.context

  translation.reserve_names context.p_names, :r, :o1, :o2 do |ps, r, o1, o2|
    objset1 = @objset1.resolve_action_objset(translation, ps, o1)
    objset2 = @objset2.resolve_action_objset(translation, ps, o2)
    translation.create_formula FOL::ForAll.new(ps, r, FOL::Equiv.new(
      state[ps, r],
      FOL::And.new(
        prev_state[ps, r],
        FOL::ForAll.new(o1, o2, FOL::Not.new(FOL::And.new(
          objset1, objset2,
          prev_state[ps, o1], prev_state[ps, o2],
          @relation.left_link[r, o1], @relation.right_link[r, o2]
        )))
      )
    ))
  end

  translation.prev_state = state
end

#prepare(translation) ⇒ Object

# File 'lib/adsl/spass/spass_ds_extensions.rb', line 349

def prepare(translation)
  @objset1.prepare_action translation
  @objset2.prepare_action translation
end