Class: CronoTrigger::PollingThread
- Inherits:
-
Object
- Object
- CronoTrigger::PollingThread
- Defined in:
- lib/crono_trigger/polling_thread.rb
Instance Method Summary collapse
- #alive? ⇒ Boolean
-
#initialize(model_queue, stop_flag, logger, executor, execution_counter) ⇒ PollingThread
constructor
A new instance of PollingThread.
- #join ⇒ Object
- #poll(model) ⇒ Object
- #quiet ⇒ Object
- #quiet? ⇒ Boolean
- #run ⇒ Object
Constructor Details
#initialize(model_queue, stop_flag, logger, executor, execution_counter) ⇒ PollingThread
Returns a new instance of PollingThread.
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# File 'lib/crono_trigger/polling_thread.rb', line 3 def initialize(model_queue, stop_flag, logger, executor, execution_counter) @model_queue = model_queue @stop_flag = stop_flag @logger = logger @executor = executor @execution_counter = execution_counter @quiet = Concurrent::AtomicBoolean.new(false) end |
Instance Method Details
#alive? ⇒ Boolean
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# File 'lib/crono_trigger/polling_thread.rb', line 47 def alive? @thread.alive? end |
#join ⇒ Object
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# File 'lib/crono_trigger/polling_thread.rb', line 35 def join @thread.join end |
#poll(model) ⇒ Object
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# File 'lib/crono_trigger/polling_thread.rb', line 51 def poll(model) @logger.debug "(polling-thread-#{Thread.current.object_id}) Poll #{model}" records = [] overflowed_record_ids = [] begin model.connection_pool.with_connection do records = model.executables_with_lock end records.each do |record| begin @executor.post do @execution_counter.increment begin model.connection_pool.with_connection do @logger.info "(executor-thread-#{Thread.current.object_id}) Execute #{record.class}-#{record.id}" begin record.do_execute rescue Exception => e @logger.error(e) end end ensure @execution_counter.decrement end end rescue Concurrent::RejectedExecutionError overflowed_record_ids << record.id end end unlock_overflowed_records(model, overflowed_record_ids) end while overflowed_record_ids.empty? && records.any? end |
#quiet ⇒ Object
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# File 'lib/crono_trigger/polling_thread.rb', line 39 def quiet @quiet.make_true end |
#quiet? ⇒ Boolean
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# File 'lib/crono_trigger/polling_thread.rb', line 43 def quiet? @quiet.true? end |
#run ⇒ Object
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# File 'lib/crono_trigger/polling_thread.rb', line 12 def run @thread = Thread.start do @logger.info "(polling-thread-#{Thread.current.object_id}) Start polling thread" until @stop_flag.wait_for_set(CronoTrigger.config.polling_interval) next if quiet? CronoTrigger.reloader.call do begin model_name = @model_queue.pop(true) model = model_name.classify.constantize poll(model) rescue ThreadError => e @logger.error(e) unless e. == "queue empty" rescue => e @logger.error(e) ensure @model_queue << model_name if model_name end end end end end |