content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * Licensed 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
   *
   * https://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 io.aeron.command;
  
  import org.agrona.MutableDirectBuffer;
  
  import static org.agrona.BitUtil.SIZE_OF_LONG;
  
  /**
   * Indicate a client has timed out by the driver.
   *
   * @see ControlProtocolEvents
   * <pre>
   * 0                   1                   2                   3
   * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
   * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   * |                         Client Id                             |
   * |                                                               |
   * +---------------------------------------------------------------+
   * </pre>
   */
  public class ClientTimeoutFlyweight
  {
      /**
       * Length of the header.
       */
      public static final int LENGTH = SIZE_OF_LONG;
      private static final int CLIENT_ID_FIELD_OFFSET = 0;
  
      private MutableDirectBuffer buffer;
      private int offset;
  
      /**
       * Wrap the buffer at a given offset for updates.
       *
       * @param buffer to wrap
       * @param offset at which the message begins.
       * @return this for a fluent API.
       */
      public final ClientTimeoutFlyweight wrap(final MutableDirectBuffer buffer, final int offset)
      {
          this.buffer = buffer;
          this.offset = offset;
  
          return this;
      }
  
      /**
       * Get client id field.
       *
       * @return client id field.
       */
      public long clientId()
      {
          return buffer.getLong(offset + CLIENT_ID_FIELD_OFFSET);
      }
  
      /**
       * Set client id field.
       *
       * @param clientId field value.
       * @return this for a fluent API.
       */
      public ClientTimeoutFlyweight clientId(final long clientId)
      {
          buffer.putLong(offset + CLIENT_ID_FIELD_OFFSET, clientId);
  
          return this;
      }
  }
  