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.common;
  
  import java.util.Arrays;
  import java.util.Locale;
  import java.util.Map;
  import java.util.function.Function;
  import java.util.stream.Collectors;
  
  /**
   * The classic group state.
   */
  public enum ClassicGroupState {
      UNKNOWN("Unknown"),
      PREPARING_REBALANCE("PreparingRebalance"),
      COMPLETING_REBALANCE("CompletingRebalance"),
      STABLE("Stable"),
      DEAD("Dead"),
      EMPTY("Empty");
  
      private static final Map<String, ClassicGroupState> NAME_TO_ENUM = Arrays.stream(values())
          .collect(Collectors.toMap(state -> state.name.toUpperCase(Locale.ROOT), Function.identity()));
  
      private final String name;
  
      ClassicGroupState(String name) {
          this.name = name;
      }
  
      /**
       * Case-insensitive classic group state lookup by string name.
       */
      public static ClassicGroupState parse(String name) {
          ClassicGroupState state = NAME_TO_ENUM.get(name.toUpperCase(Locale.ROOT));
          return state == null ? UNKNOWN : state;
      }
  
      @Override
      public String toString() {
          return name;
      }
  }
  