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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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require_relative "flight-info-generator"

module Helper
  class FlightServer < ArrowFlight::Server
    type_register

    private
    def virtual_do_list_flights(context, criteria)
      generator = FlightInfoGenerator.new
      [generator.page_view]
    end

    def virtual_do_do_get(context, ticket)
      generator = FlightInfoGenerator.new
      unless ticket == generator.page_view_ticket
        raise Arrow::Error::Invalid.new("invalid ticket")
      end
      table = generator.page_view_table
      reader = Arrow::TableBatchReader.new(table)
      ArrowFlight::RecordBatchStream.new(reader)
    end
  end
end
