Class: Dandy::Chain

Inherits:
Object
  • Object
show all
Defined in:
lib/dandy/chain.rb

Instance Method Summary collapse

Constructor Details

#initialize(container, dandy_config) ⇒ Chain 



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# File 'lib/dandy/chain.rb', line 5

def initialize(container, dandy_config)
  @container = container
  @async_timeout = dandy_config[:action][:async_timeout]
end

Instance Method Details

#run_commands(commands, last_command) ⇒ Object 



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# File 'lib/dandy/chain.rb', line 10

def run_commands(commands, last_command)
  threads = []
  Thread.abort_on_exception = true

  result = nil
  commands.each_with_index do |command, index|
    if command.sequential?
      # all previous parallel commands should be done before the current sequential
      threads.each {|t| t.join}
      threads = []

      if last_command && (command.name == last_command.name)
        result = run_command(command)
      else
        run_command(command)
      end
    else
      thread = Thread.new {
        Timeout::timeout(@async_timeout) {
          if last_command && (command.name == last_command.name)
            result = run_command(command)
          else
            run_command(command)
          end
        }
      }
      threads << thread if command.parallel?
    end

    # if it's last item in chain then wait until parallel commands are done
    if index == commands.length - 1
      threads.each {|t| t.join}
    end
  end

  result
end