| # 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 "buildable" |
| require_relative "data-type" |
| require_relative "writable" |
| |
| module Helper |
| class FlightInfoGenerator |
| include Buildable |
| include DataType |
| include Writable |
| |
| def page_view_table |
| build_table("count" => build_uint64_array([1, 2, 3]), |
| "private" => build_boolean_array([true, false, true])) |
| end |
| |
| def page_view_descriptor |
| ArrowFlight::PathDescriptor.new(["page-view"]) |
| end |
| |
| def page_view_ticket |
| ArrowFlight::Ticket.new("page-view") |
| end |
| |
| def page_view_endpoints(ticket=page_view_ticket) |
| locations = [ |
| ArrowFlight::Location.new("grpc+tcp://127.0.0.1:10000"), |
| ArrowFlight::Location.new("grpc+tcp://127.0.0.1:10001"), |
| ] |
| [ |
| ArrowFlight::Endpoint.new(ticket, locations), |
| ] |
| end |
| |
| def page_view(ticket=page_view_ticket) |
| table = page_view_table |
| descriptor = page_view_descriptor |
| endpoints = page_view_endpoints(ticket) |
| output = Arrow::ResizableBuffer.new(0) |
| write_table(table, output, type: :stream) |
| ArrowFlight::Info.new(table.schema, |
| descriptor, |
| endpoints, |
| table.n_rows, |
| output.size) |
| end |
| end |
| end |