class AASM::StateMachineStore

Public Class Methods

[](klass, fallback = nil)
Alias for: fetch
[]=(klass, overwrite = false, state_machine = nil)
Alias for: register
fetch(klass, fallback = nil) click to toggle source
# File lib/aasm/state_machine_store.rb, line 27
def fetch(klass, fallback = nil)
  stores[klass.to_s] || fallback && begin
    match = klass.ancestors.find do |ancestor|
      ancestor.include? AASM and stores[ancestor.to_s]
    end

    stores[match.to_s]
  end
end
Also aliased as: []
new() click to toggle source
# File lib/aasm/state_machine_store.rb, line 43
def initialize
  @machines = Concurrent::Map.new
end
register(klass, overwrite = false, state_machine = nil) click to toggle source

do not overwrite existing state machines, which could have been created by inheritance, see AASM::ClassMethods method inherited

# File lib/aasm/state_machine_store.rb, line 13
def register(klass, overwrite = false, state_machine = nil)
  raise "Cannot register #{klass}" unless klass.is_a?(Class)

  case name = template = overwrite
    when FalseClass then stores[klass.to_s] ||= new
    when TrueClass then stores[klass.to_s] = new
    when Class then stores[klass.to_s] = stores[template.to_s].clone
    when Symbol then stores[klass.to_s].register(name, state_machine)
    when String then stores[klass.to_s].register(name, state_machine)
    else raise "Don't know what to do with #{overwrite}"
  end
end
Also aliased as: []=
stores() click to toggle source
# File lib/aasm/state_machine_store.rb, line 7
def stores
  @stores
end
unregister(klass) click to toggle source
# File lib/aasm/state_machine_store.rb, line 38
def unregister(klass)
  stores.delete(klass.to_s)
end

Public Instance Methods

[](name)
Alias for: machine
clone() click to toggle source
# File lib/aasm/state_machine_store.rb, line 47
def clone
  StateMachineStore.new.tap do |store|
    @machines.each_pair do |name, machine|
      store.register(name, machine.clone)
    end
  end
end
keys()
Alias for: machine_names
machine(name) click to toggle source
# File lib/aasm/state_machine_store.rb, line 55
def machine(name)
  @machines[name.to_s]
end
Also aliased as: []
machine_names() click to toggle source
# File lib/aasm/state_machine_store.rb, line 60
def machine_names
  @machines.keys
end
Also aliased as: keys
register(name, machine, force = false) click to toggle source
# File lib/aasm/state_machine_store.rb, line 65
def register(name, machine, force = false)
  raise "Cannot use #{name.inspect} for machine name" unless name.is_a?(Symbol) or name.is_a?(String)
  raise "Cannot use #{machine.inspect} as a machine" unless machine.is_a?(AASM::StateMachine)

  if force
    @machines[name.to_s] = machine
  else
    @machines[name.to_s] ||= machine
  end
end