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 com.aliyun.odps.account;
  
  /**
   * 用于认证的账号信息
   *
   * <p>
   * 使用ODPS服务需要提供认证信息, Account接口的实现提供了ODPS支持的认证账号类型。阿里云用户仅可以使用阿里云账号。 <br />
   * ODPS支持的账号包括:<br />
   * 阿里云账号: {@link AccountProvider}.ALIYUN
   * 淘宝帐号: {@link AccountProvider}.TAOBAO
   * 域帐号: {@link AccountProvider}.DOMAIN
   * </p>
   */
  public interface Account {
  
    /**
     * 淘宝账号,有两种认证方式（1）使用token认证（2）使用AccessId/AccessKey认证
     * 阿里云账号,使用AccessId/AccessKey认证
     * 域帐号使用token认证
     */
    public enum AccountProvider {
      // 淘宝帐号
      TAOBAO,
      // 阿里云账号
      ALIYUN,
      // STS
      STS,
      // logview token
      BEARER_TOKEN,
    }
  
    /**
     * 获取当前账号的类型
     *
     * @return {@link AccountProvider}对象
     */
    public AccountProvider getType();
  
    /**
     * 获得用于对API请求进行签名的{@link RequestSigner}对象
     *
     * @return {@link RequestSigner}对象
     */
    public RequestSigner getRequestSigner();
  }
  