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module Counter
class PlainGenerator
attr_reader :count
def initialize(options)
@options = options
@count = 0
end
def around
Retryable.retryable(@options) do |*arguments|
increment
yield(*arguments)
end
end
private
def increment
@count += 1
end
end
class GeneratorWithContext
attr_reader :count
def initialize(context_key, options)
@context_key = context_key
@count = 0
@options = options
end
def around
Retryable.with_context(@context_key, @options) do |*arguments|
increment
yield(*arguments)
end
end
private
def increment
@count += 1
end
end
def counter(options = {}, &block)
@counter ||= PlainGenerator.new(options)
@counter.around(&block) if block_given?
@counter
end
def counter_with_context(context_key, options = {}, &block)
@counter_with_context ||= GeneratorWithContext.new(context_key, options)
@counter_with_context.around(&block) if block_given?
@counter_with_context
end
end
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