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Versions: 4
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Contents
# A steady walker that tries 3 times each step
module Restfulie
module Client
module Mikyung
class SteadyStateWalker
def move(goal, current, mikyung)
step = goal.next_step(current, mikyung)
raise UnableToAchieveGoalError, "No step was found for #{current}" unless step
Common::Logger.logger.debug "Mikyung > next step will be #{step}"
step = step.new if step.kind_of? Class
try_to_execute(step, current, 3, mikyung)
end
private
def try_to_execute(step, current, max_attempts, mikyung)
raise "Unable to proceed when trying to #{step}" if max_attempts == 0
resource = step
raise "Step returned 'give up'" if resource.nil?
if step.respond_to?(:execute)
resource = step.execute(current, mikyung)
end
# TODO: should it really retry if it is not 200? Or only if it is on the 50x family?
# for instance the result could be a 302 redirection
unless resource.response.code == 200
try_to_execute(step, current, max_attempts-1, mikyung)
else
Common::Logger.logger.debug resource.response.body
resource
end
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems