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Versions: 9
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Contents
module Chronicle
module ETL
module Registry
# Records details about a connector such as its provider and a description
class ConnectorRegistration
# FIXME: refactor custom accessor methods later in file
attr_accessor :identifier, :provider, :klass, :description
def initialize(klass)
@klass = klass
end
def phase
if klass.ancestors.include? Chronicle::ETL::Extractor
:extractor
elsif klass.ancestors.include? Chronicle::ETL::Transformer
:transformer
elsif klass.ancestors.include? Chronicle::ETL::Loader
:loader
end
end
def to_s
"#{phase}-#{identifier}"
end
def built_in?
@klass.to_s.include? 'Chronicle::ETL'
end
def klass_name
@klass.to_s
end
def identifier
@identifier || @klass.to_s.split('::').last.gsub!(/(Extractor$|Loader$|Transformer$)/, '').downcase
end
def description
@description || @klass.to_s.split('::').last
end
def provider
@provider || (built_in? ? 'chronicle' : '')
end
# TODO: allow overriding here. Maybe through self-registration process
def plugin
@provider
end
def descriptive_phrase
prefix = case phase
when :extractor
"Extracts from"
when :transformer
"Transforms"
when :loader
"Loads to"
end
"#{prefix} #{description}"
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems