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;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.stream.Collectors;
  import org.apache.arrow.flight.impl.Flight;
  
  /** A request to set option(s) in an existing or implicitly-created server session. */
  public class SetSessionOptionsRequest {
    private final Map<String, SessionOptionValue> sessionOptions;
  
    public SetSessionOptionsRequest(Map<String, SessionOptionValue> sessionOptions) {
      this.sessionOptions =
          Collections.unmodifiableMap(new HashMap<String, SessionOptionValue>(sessionOptions));
    }
  
    SetSessionOptionsRequest(Flight.SetSessionOptionsRequest proto) {
      sessionOptions =
          Collections.unmodifiableMap(
              proto.getSessionOptionsMap().entrySet().stream()
                  .collect(
                      Collectors.toMap(
                          Map.Entry::getKey,
                          (e) -> SessionOptionValueFactory.makeSessionOptionValue(e.getValue()))));
    }
  
    /**
     * Get the session option map from the request.
     *
     * @return An immutable view of the session options map.
     */
    public Map<String, SessionOptionValue> getSessionOptions() {
      return Collections.unmodifiableMap(sessionOptions);
    }
  
    Flight.SetSessionOptionsRequest toProtocol() {
      Flight.SetSessionOptionsRequest.Builder b = Flight.SetSessionOptionsRequest.newBuilder();
      b.putAllSessionOptions(
          sessionOptions.entrySet().stream()
              .collect(Collectors.toMap(Map.Entry::getKey, (e) -> e.getValue().toProtocol())));
      return b.build();
    }
  
    /**
     * Get the serialized form of this protocol message.
     *
     * <p>Intended to help interoperability by allowing non-Flight services to still return Flight
     * types.
     */
    public ByteBuffer serialize() {
      return ByteBuffer.wrap(toProtocol().toByteArray());
    }
  
    /**
     * Parse the serialized form of this protocol message.
     *
     * <p>Intended to help interoperability by allowing Flight clients to obtain stream info from
     * non-Flight services.
     *
     * @param serialized The serialized form of the message, as returned by {@link #serialize()}.
     * @return The deserialized message.
     * @throws IOException if the serialized form is invalid.
     */
    public static SetSessionOptionsRequest deserialize(ByteBuffer serialized) throws IOException {
      return new SetSessionOptionsRequest(Flight.SetSessionOptionsRequest.parseFrom(serialized));
    }
  }
  