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# frozen_string_literal: true
module BulkImports
module Pipeline
extend ActiveSupport::Concern
include Gitlab::ClassAttributes
included do
include Runner
private
def extractors
@extractors ||= self.class.extractors.map(&method(:instantiate))
end
def transformers
@transformers ||= self.class.transformers.map(&method(:instantiate))
end
def loaders
@loaders ||= self.class.loaders.map(&method(:instantiate))
end
def after_run
@after_run ||= self.class.after_run_callback
end
def pipeline_name
@pipeline ||= self.class.name
end
def instantiate(class_config)
class_config[:klass].new(class_config[:options])
end
end
class_methods do
def extractor(klass, options = nil)
add_attribute(:extractors, klass, options)
end
def transformer(klass, options = nil)
add_attribute(:transformers, klass, options)
end
def loader(klass, options = nil)
add_attribute(:loaders, klass, options)
end
def after_run(&block)
class_attributes[:after_run] = block
end
def extractors
class_attributes[:extractors]
end
def transformers
class_attributes[:transformers]
end
def loaders
class_attributes[:loaders]
end
def after_run_callback
class_attributes[:after_run]
end
private
def add_attribute(sym, klass, options)
class_attributes[sym] ||= []
class_attributes[sym] << { klass: klass, options: options }
end
end
end
end
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