Class: Observer (ActiveRecord)

Class: Observer (ActiveRecord)
Prev	Chapter 3. User Defined Modules and Classes	Next

Class: Observer (ActiveRecord)

Module Structure
Class Hierarchy

is a submodule of

module: ActiveRecord

has modular siblings

class:	`Base`
class:	`Migrator`
class:	`ActiveRecordError`
class:	`Rollback`

inherits from

Object ( Builtin-Module )

is inherited by

UserActionObserver

is defined at

#35 in __dummy__.rb

Overview

Module Structure
Class Hierarchy

Module Structure

module: <Toplevel Module>

module: <Built-in Module>

module: ActiveRecord

	class:	`Base`
	class:	`Migrator`
✗	class:	`Observer`
	class:	`ActiveRecordError`
	class:	`Rollback`

class: UserActionObserver

Class Hierarchy

Object ( Builtin-Module )

has properties

class method:	`descendants`
method:	`presence`

Exception ( Builtin-Module )

StandardError ( Builtin-Module )

ActiveRecordError ( ActiveRecord )

Rollback

Base ( ActiveRecord )

Migrator ( ActiveRecord )

✗ Observer ( ActiveRecord )

UserActionObserver

Prev	Up	Next
Class: Migrator (ActiveRecord)	Home	Class: ActiveRecordError (ActiveRecord)