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.kafka.server.share;
  
  import org.apache.kafka.common.Uuid;
  
  /**
   * The ShareGroupListener is used to notify when there is a change in the share group members.
   */
  public interface ShareGroupListener {
  
      /**
       * Called when member leaves the group.
       *
       * @param groupId  The id of the group.
       * @param memberId The id of the member.
       */
      void onMemberLeave(String groupId, Uuid memberId);
  
      /**
       * Called when the group is empty.
       *
       * @param groupId The id of the group.
       */
      void onGroupEmpty(String groupId);
  }
  