content: /*
   * 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.
   */
  package org.apache.arrow.flight.integration.tests;
  
  import java.nio.charset.StandardCharsets;
  import java.util.Collections;
  import java.util.List;
  import org.apache.arrow.flight.FlightClient;
  import org.apache.arrow.flight.FlightDescriptor;
  import org.apache.arrow.flight.FlightEndpoint;
  import org.apache.arrow.flight.FlightInfo;
  import org.apache.arrow.flight.FlightProducer;
  import org.apache.arrow.flight.FlightServer;
  import org.apache.arrow.flight.Location;
  import org.apache.arrow.flight.NoOpFlightProducer;
  import org.apache.arrow.flight.Ticket;
  import org.apache.arrow.memory.BufferAllocator;
  import org.apache.arrow.vector.types.pojo.Schema;
  
  /** Test the 'arrow-flight-reuse-connection' scheme. */
  public class LocationReuseConnectionScenario implements Scenario {
    @Override
    public FlightProducer producer(BufferAllocator allocator, Location location) throws Exception {
      return new ReuseConnectionProducer();
    }
  
    @Override
    public void buildServer(FlightServer.Builder builder) throws Exception {}
  
    @Override
    public void client(BufferAllocator allocator, Location location, FlightClient client)
        throws Exception {
      final FlightInfo info =
          client.getInfo(FlightDescriptor.command("reuse".getBytes(StandardCharsets.UTF_8)));
      IntegrationAssertions.assertEquals(1, info.getEndpoints().size());
      IntegrationAssertions.assertEquals(1, info.getEndpoints().get(0).getLocations().size());
      Location actual = info.getEndpoints().get(0).getLocations().get(0);
      IntegrationAssertions.assertEquals(Location.reuseConnection().getUri(), actual.getUri());
    }
  
    private static class ReuseConnectionProducer extends NoOpFlightProducer {
      @Override
      public FlightInfo getFlightInfo(CallContext context, FlightDescriptor descriptor) {
        List<FlightEndpoint> endpoints =
            Collections.singletonList(
                new FlightEndpoint(new Ticket(new byte[0]), Location.reuseConnection()));
        return new FlightInfo(
            new Schema(Collections.emptyList()), descriptor, endpoints, /*bytes*/ -1, /*records*/ -1);
      }
    }
  }
  