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.controller;
  
  import org.apache.kafka.server.common.ApiMessageAndVersion;
  
  import java.util.List;
  import java.util.Objects;
  import java.util.stream.Collectors;
  
  
  class ControllerResult<T> {
      private final List<ApiMessageAndVersion> records;
      private final T response;
      private final boolean isAtomic;
  
      protected ControllerResult(List<ApiMessageAndVersion> records, T response, boolean isAtomic) {
          Objects.requireNonNull(records);
          this.records = records;
          this.response = response;
          this.isAtomic = isAtomic;
      }
  
      public List<ApiMessageAndVersion> records() {
          return records;
      }
  
      public T response() {
          return response;
      }
  
      public boolean isAtomic() {
          return isAtomic;
      }
  
      @Override
      public boolean equals(Object o) {
          if (o == null || (!o.getClass().equals(getClass()))) {
              return false;
          }
          ControllerResult<?> other = (ControllerResult<?>) o;
          return records.equals(other.records) &&
              Objects.equals(response, other.response) &&
              Objects.equals(isAtomic, other.isAtomic);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(records, response, isAtomic);
      }
  
      @Override
      public String toString() {
          return String.format(
              "ControllerResult(records=%s, response=%s, isAtomic=%s)",
              records.stream().map(ApiMessageAndVersion::toString).collect(Collectors.joining(",")),
              response,
              isAtomic
          );
      }
  
      public ControllerResult<T> withoutRecords() {
          return new ControllerResult<>(List.of(), response, false);
      }
  
      public static <T> ControllerResult<T> atomicOf(List<ApiMessageAndVersion> records, T response) {
          return new ControllerResult<>(records, response, true);
      }
  
      public static <T> ControllerResult<T> of(List<ApiMessageAndVersion> records, T response) {
          return new ControllerResult<>(records, response, false);
      }
  }
  