Class: AWS::Flow::SingleDecisionIterator
- Inherits:
-
Object
- Object
- AWS::Flow::SingleDecisionIterator
- Defined in:
- lib/aws/decider/history_helper.rb
Class Attribute Summary collapse
-
.decision_events ⇒ Object
Returns the value of attribute decision_events.
Instance Method Summary collapse
- #fill_next ⇒ Object
- #get_decision_task ⇒ Object
-
#initialize(decision_tasks) ⇒ SingleDecisionIterator
constructor
A new instance of SingleDecisionIterator.
- #is_decision_event?(event) ⇒ Boolean
- #next ⇒ Object
- #reorder_events(start_to_completion, completion_to_start, last_decision_index) ⇒ Object
Constructor Details
#initialize(decision_tasks) ⇒ SingleDecisionIterator
Returns a new instance of SingleDecisionIterator.
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# File 'lib/aws/decider/history_helper.rb', line 105 def initialize(decision_tasks) @events = EventsIterator.new(decision_tasks) fill_next @current = @next fill_next end |
Class Attribute Details
.decision_events ⇒ Object
Returns the value of attribute decision_events.
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# File 'lib/aws/decider/history_helper.rb', line 69 def decision_events @decision_events end |
Instance Method Details
#fill_next ⇒ Object
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# File 'lib/aws/decider/history_helper.rb', line 129 def fill_next decision_task_timed_out = false decision_start_to_completion_events, decision_completion_to_start_events = [], [] next_replay_current_time_milliseconds = -1 last_decision_index = -1 concurrent_to_decision = true while @events.events.length > 0 event = @events.events.shift event_type = event.event_type.to_sym case event_type when :DecisionTaskCompleted #TODO get execution context #TODO updateWorkflowContextDataAndComponentVersions concurrent_to_decision = false when :DecisionTaskStarted next_replay_current_time_milliseconds = event.created_at if decision_task_timed_out @current.decision_events.concat(decision_start_to_completion_events) decision_start_to_completion_events = [] decision_task_timed_out = false else break end when :DecisionTaskTimedOut decision_task_timed_out = true when :DecisionTaskScheduled # pass when :MarkerRecorded # pass else if concurrent_to_decision decision_start_to_completion_events << event else if is_decision_event? event_type last_decision_index = decision_completion_to_start_events.length end decision_completion_to_start_events << event end end end next_events = reorder_events(decision_start_to_completion_events, decision_completion_to_start_events, last_decision_index) @next = SingleDecisionData.new(next_events, next_replay_current_time_milliseconds, @workflow_context_data ) end |
#get_decision_task ⇒ Object
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# File 'lib/aws/decider/history_helper.rb', line 101 def get_decision_task @events.decision_task end |
#is_decision_event?(event) ⇒ Boolean
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# File 'lib/aws/decider/history_helper.rb', line 97 def is_decision_event?(event) SingleDecisionIterator.decision_events.member? event end |
#next ⇒ Object
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# File 'lib/aws/decider/history_helper.rb', line 112 def next result = @current @current = @next fill_next return result end |
#reorder_events(start_to_completion, completion_to_start, last_decision_index) ⇒ Object
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# File 'lib/aws/decider/history_helper.rb', line 119 def reorder_events(start_to_completion, completion_to_start, last_decision_index) reordered = [] reordered.concat(completion_to_start.slice(0, last_decision_index + 1)) if last_decision_index >= 0 reordered.concat(start_to_completion) if completion_to_start.length > last_decision_index + 1 reordered.concat(completion_to_start.slice((last_decision_index + 1)..-1)) end return reordered.flatten end |