| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # 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, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| require_relative "info-generator" |
| |
| module Helper |
| class Server < ArrowFlight::Server |
| type_register |
| |
| attr_reader :uploaded_table |
| |
| private |
| def virtual_do_list_flights(context, criteria) |
| generator = InfoGenerator.new |
| [generator.page_view] |
| end |
| |
| def virtual_do_do_get(context, ticket) |
| generator = InfoGenerator.new |
| if ticket.data.to_s != generator.page_view_ticket |
| raise Arrow::Error::Invalid.new("invalid ticket") |
| end |
| table = generator.page_view_table |
| ArrowFlight::RecordBatchStream.new(table) |
| end |
| |
| def virtual_do_do_put(context, reader, writer) |
| @uploaded_table = reader.read_all |
| writer.write(Arrow::Buffer.new("done")) |
| if @uploaded_table.n_rows.zero? |
| raise Arrow::Error::Invalid.new("empty table") |
| end |
| true |
| end |
| end |
| end |