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# frozen_string_literal: true
module Gitlab
module Usage
class Metric
attr_reader :definition
def initialize(definition)
@definition = definition
end
class << self
def all
@all ||= Gitlab::Usage::MetricDefinition.with_instrumentation_class.map do |definition|
self.new(definition)
end
end
end
def with_value
with_availability(proc { instrumentation_object.value })
end
def with_instrumentation
with_availability(proc { instrumentation_object.instrumentation })
end
private
def with_availability(value_proc)
return {} unless instrumentation_object.available?
unflatten_key_path(value_proc.call)
end
def unflatten_key_path(value)
::Gitlab::Usage::Metrics::KeyPathProcessor.process(definition.key_path, value)
end
def instrumentation_class
"Gitlab::Usage::Metrics::Instrumentations::#{definition.instrumentation_class}"
end
def instrumentation_object
@instrumentation_object ||= instrumentation_class.constantize.new(definition.attributes)
end
end
end
end
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