Mapper.java

/**
 *    Copyright 2009-2017 the original author or authors.
 *
 *    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 org.apache.ibatis.submitted.usesjava8.default_method;

import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

public interface Mapper {

  @Select("select * from users where id = #{id}")
  User getUserById(Integer id);

  @Select("select * from users where id = #{id} and name = #{name}")
  User getUserByIdAndName(@Param("name") String name, @Param("id") Integer id);

  default User defaultGetUser(Object... args) {
    return getUserById((Integer) args[0]);
  }

  static interface SubMapper extends Mapper {
    default User defaultGetUser(Object... args) {
      return getUserByIdAndName((String) args[0], (Integer) args[1]);
    }
  }

}