49 lines
1.4 KiB
Ruby
49 lines
1.4 KiB
Ruby
|
class Sequencer
|
||
|
|
class Sequence
|
||
|
|
class Base
|
||
|
|
|
||
|
|
# Defines the default attributes that will get returned for the sequence.
|
||
|
|
# These can be overwritten by giving the :expecting key to a sequence process call.
|
||
|
|
#
|
||
|
|
# @example
|
||
|
|
# Sequencer::Sequence::Example.expecting
|
||
|
|
# # => [:result, :list]
|
||
|
|
#
|
||
|
|
# @return [Array<Symbol>] the list of expected result keys.
|
||
|
|
def self.expecting
|
||
|
|
[]
|
||
|
|
end
|
||
|
|
|
||
|
|
# Defines the list of Units that form the sequence. The units will get
|
||
|
|
# processed in the order they are defined in. The namespaces can be
|
||
|
|
# absolute or without the `Sequencer::Unit` prefix.
|
||
|
|
#
|
||
|
|
# @example
|
||
|
|
# Sequencer::Sequence::Example.sequence
|
||
|
|
# # => ['Import::Example::Resource', 'Sequencer::Unit::Import::Model::Create', ...]
|
||
|
|
#
|
||
|
|
# @return [Array<String>] the list of units forming the sequence.
|
||
|
|
def self.sequence
|
||
|
|
raise "Missing implementation of '#{__method__}' method for '#{name}'"
|
||
|
|
end
|
||
|
|
|
||
|
|
# This is an internally used method that converts the defined sequence to a
|
||
|
|
# Sequencer::Units instance which has special methods.
|
||
|
|
#
|
||
|
|
# @example
|
||
|
|
# Sequencer::Sequence::Example.units
|
||
|
|
# # => <Sequencer::Units @units=[....>
|
||
|
|
#
|
||
|
|
# @return [Object]
|
||
|
|
def self.units
|
||
|
|
Sequencer::Units.new(*sequence)
|
||
|
|
end
|
||
|
|
|
||
|
|
# @see .units
|
||
|
|
def units
|
||
|
|
self.class.units
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|