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.clients.admin;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Set;
  
  /**
   * Options for {@link AdminClient#removeMembersFromConsumerGroup(String, RemoveMembersFromConsumerGroupOptions)}.
   * It carries the members to be removed from the consumer group.
   */
  public class RemoveMembersFromConsumerGroupOptions extends AbstractOptions<RemoveMembersFromConsumerGroupOptions> {
  
      private final Set<MemberToRemove> members;
      private String reason;
  
      public RemoveMembersFromConsumerGroupOptions(Collection<MemberToRemove> members) {
          if (members.isEmpty()) {
              throw new IllegalArgumentException("Invalid empty members has been provided");
          }
          this.members = new HashSet<>(members);
      }
  
      public RemoveMembersFromConsumerGroupOptions() {
          this.members = Collections.emptySet();
      }
  
      /**
       * Sets an optional reason.
       */
      public void reason(final String reason) {
          this.reason = reason;
      }
  
      public Set<MemberToRemove> members() {
          return members;
      }
  
      public String reason() {
          return reason;
      }
  
      public boolean removeAll() {
          return members.isEmpty();
      }
  }
  