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Versions: 40
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Contents
module Dynflow
class Director
class SequentialManager
attr_reader :execution_plan, :world
def initialize(world, execution_plan)
@world = world
@execution_plan = execution_plan
@done = false
end
def run
with_state_updates do
dispatch(execution_plan.run_flow)
finalize
end
return execution_plan
end
def finalize
reset_finalize_steps
unless execution_plan.error?
step_id = execution_plan.finalize_flow.all_step_ids.first
action_class = execution_plan.steps[step_id].action_class
world.middleware.execute(:finalize_phase, action_class, execution_plan) do
dispatch(execution_plan.finalize_flow)
end
end
@done = true
end
def reset_finalize_steps
execution_plan.finalize_flow.all_step_ids.each do |step_id|
step = execution_plan.steps[step_id]
step.state = :pending if [:success, :error].include? step.state
end
end
def done?
@done
end
private
def dispatch(flow)
case flow
when Flows::Sequence
run_in_sequence(flow.flows)
when Flows::Concurrence
run_in_concurrence(flow.flows)
when Flows::Atom
run_step(execution_plan.steps[flow.step_id])
else
raise ArgumentError, "Don't know how to run #{flow}"
end
end
def run_in_sequence(steps)
steps.all? { |s| dispatch(s) }
end
def run_in_concurrence(steps)
run_in_sequence(steps)
end
def run_step(step)
step.execute
return step.state != :error
end
def with_state_updates(&block)
execution_plan.update_state(:running)
block.call
execution_plan.update_state(execution_plan.error? ? :paused : :stopped)
end
end
end
end
Version data entries
40 entries across 40 versions & 1 rubygems