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- # Copyright (C) 2012-2022 Zammad Foundation, https://zammad-foundation.org/
- # Base class for background services
- class BackgroundServices::Service
- include Mixin::RequiredSubPaths
- def self.service_name
- name.demodulize
- end
- # Override this method in service classes that support more than one worker process.
- def self.max_workers
- 1
- end
- # Use this method to prepare for a service task.
- # This would be called only once regardless of how many workers would start.
- def self.pre_run
- run_in_service_context do
- pre_launch
- end
- end
- # Use this method to run a background service.
- def run
- self.class.run_in_service_context do
- launch
- end
- end
- def self.run_in_service_context(&block)
- Rails.application.executor.wrap do
- ApplicationHandleInfo.use('scheduler', &block)
- end
- end
- protected
- # Override this method in service classes.
- def launch; end
- class << self
- protected
- # Override this method in service classes that need to perform tasks once
- # before threads/workers are started.
- def pre_launch; end
- end
- end
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