content: /*
   * Copyright 1999-2022 Alibaba Group Holding Ltd.
   *
   * 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
   *
   *      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 com.alibaba.nacos.api.model.v2;
  
  import java.io.Serializable;
  
  /**
   * Response Result.
   *
   * @author dongyafei
   * @date 2022/7/12
   */
  public class Result<T> implements Serializable {
      
      private static final long serialVersionUID = 6258345442767540526L;
      
      private final Integer code;
      
      private final String message;
      
      private final T data;
      
      public Result(Integer code, String message, T data) {
          this.code = code;
          this.message = message;
          this.data = data;
      }
      
      public Result() {
          this(null);
      }
      
      public Result(T data) {
          this(ErrorCode.SUCCESS.getCode(), ErrorCode.SUCCESS.getMsg(), data);
      }
      
      public Result(Integer code, String message) {
          this(code, message, null);
      }
      
      /**
       * Success return with nothing.
       * @param <T> data type
       * @return Result
       */
      public static <T> Result<T> success() {
          return new Result<>();
      }
      
      /**
       * Success return with data.
       * @param <T> data type
       * @return Result
       */
      public static <T> Result<T> success(T data) {
          return new Result<>(data);
      }
      
      /**
       * Failed return with message and detail error information.
       * @return Result
       */
      public static Result<String> failure(String message) {
          return new Result<>(ErrorCode.SERVER_ERROR.getCode(), message);
      }
      
      /**
       * Failed return with errorCode and message.
       * @param <T> data type
       * @return Result
       */
      public static <T> Result<T> failure(ErrorCode errorCode) {
          return new Result<>(errorCode.getCode(), errorCode.getMsg());
      }
      
      /**
       * Failed return with errorCode, message and data.
       * @param <T> data type
       * @return Result
       */
      public static <T> Result<T> failure(ErrorCode errorCode, T data) {
          return new Result<>(errorCode.getCode(), errorCode.getMsg(), data);
      }
      
      /**
       * Failed return with code, message and data.
       * @param <T>  data type
       * @param code error code
       * @param msg  error message
       * @return Result
       */
      public static <T> Result<T> failure(Integer code, String msg, T data) {
          return new Result<>(code, msg, data);
      }
      
      @Override
      public String toString() {
          return "Result{" + "errorCode=" + code + ", message='" + message + '\'' + ", data=" + data + '}';
      }
      
      public Integer getCode() {
          return code;
      }
      
      public String getMessage() {
          return message;
      }
      
      public T getData() {
          return data;
      }
  }
  