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module Shell
  module Commands
    class ClearCompactionQueues < Command
      def help
        <<~EOF
          Clear compacting queues on a regionserver.
          The queue_name contains short and long.
          short is shortCompactions's queue,long is longCompactions's queue.

          Examples:
          hbase> clear_compaction_queues 'host187.example.com,60020'
          hbase> clear_compaction_queues 'host187.example.com,60020','long'
          hbase> clear_compaction_queues 'host187.example.com,60020', ['long','short']
        EOF
      end

      def command(server_name, queue_name = nil)
        admin.clear_compaction_queues(server_name, queue_name)
      end
    end
  end
end
