Class: Statesman::Adapters::ActiveRecord
- Inherits:
-
Object
- Object
- Statesman::Adapters::ActiveRecord
- Defined in:
- lib/statesman/adapters/active_record.rb
Constant Summary collapse
- JSON_COLUMN_TYPES =
%w[json jsonb].freeze
Instance Attribute Summary collapse
-
#parent_model ⇒ Object
readonly
Returns the value of attribute parent_model.
-
#transition_class ⇒ Object
readonly
Returns the value of attribute transition_class.
Class Method Summary collapse
Instance Method Summary collapse
- #create(from, to, metadata = {}) ⇒ Object
- #history(force_reload: false) ⇒ Object
-
#initialize(transition_class, parent_model, observer, options = {}) ⇒ ActiveRecord
constructor
A new instance of ActiveRecord.
- #last(force_reload: false) ⇒ Object
Constructor Details
#initialize(transition_class, parent_model, observer, options = {}) ⇒ ActiveRecord
Returns a new instance of ActiveRecord.
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 |
# File 'lib/statesman/adapters/active_record.rb', line 20 def initialize(transition_class, parent_model, observer, = {}) serialized = serialized?(transition_class) column_type = transition_class.columns_hash["metadata"].sql_type if !serialized && !JSON_COLUMN_TYPES.include?(column_type) raise UnserializedMetadataError, transition_class.name elsif serialized && JSON_COLUMN_TYPES.include?(column_type) raise IncompatibleSerializationError, transition_class.name end @transition_class = transition_class @parent_model = parent_model @observer = observer @association_name = [:association_name] || @transition_class.table_name end |
Instance Attribute Details
#parent_model ⇒ Object (readonly)
Returns the value of attribute parent_model.
7 8 9 |
# File 'lib/statesman/adapters/active_record.rb', line 7 def parent_model @parent_model end |
#transition_class ⇒ Object (readonly)
Returns the value of attribute transition_class.
6 7 8 |
# File 'lib/statesman/adapters/active_record.rb', line 6 def transition_class @transition_class end |
Class Method Details
.database_supports_partial_indexes? ⇒ Boolean
11 12 13 14 15 16 17 18 |
# File 'lib/statesman/adapters/active_record.rb', line 11 def self.database_supports_partial_indexes? # Rails 3 doesn't implement `supports_partial_index?` if ::ActiveRecord::Base.connection.respond_to?(:supports_partial_index?) ::ActiveRecord::Base.connection.supports_partial_index? else ::ActiveRecord::Base.connection.adapter_name == "PostgreSQL" end end |
Instance Method Details
#create(from, to, metadata = {}) ⇒ Object
36 37 38 39 40 41 42 43 44 |
# File 'lib/statesman/adapters/active_record.rb', line 36 def create(from, to, = {}) create_transition(from.to_s, to.to_s, ) rescue ::ActiveRecord::RecordNotUnique => e raise TransitionConflictError, e. if transition_conflict_error? e raise ensure @last_transition = nil end |
#history(force_reload: false) ⇒ Object
46 47 48 49 50 51 52 53 54 |
# File 'lib/statesman/adapters/active_record.rb', line 46 def history(force_reload: false) if transitions_for_parent.loaded? && !force_reload # Workaround for Rails bug which causes infinite loop when sorting # already loaded result set. Introduced in rails/rails@b097ebe transitions_for_parent.to_a.sort_by(&:sort_key) else transitions_for_parent.order(:sort_key) end end |
#last(force_reload: false) ⇒ Object
56 57 58 59 60 61 62 |
# File 'lib/statesman/adapters/active_record.rb', line 56 def last(force_reload: false) if force_reload @last_transition = history(force_reload: true).last else @last_transition ||= history.last end end |