/*
    *    Copyright 2009-2024 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
    *
    *       https://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.primitive_result_type;
  
  import java.io.Reader;
  
  import org.apache.ibatis.io.Resources;
  import org.apache.ibatis.session.SqlSession;
  import org.apache.ibatis.session.SqlSessionFactory;
  import org.apache.ibatis.session.SqlSessionFactoryBuilder;
  
  public class IbatisConfig {
  
    private static SqlSessionFactory sqlSessionFactory;
  
    private IbatisConfig() {
    }
  
    private static synchronized void init() {
      if (sqlSessionFactory == null) {
        try {
          final String resource = "org/apache/ibatis/submitted/primitive_result_type/ibatis.xml";
          Reader reader = Resources.getResourceAsReader(resource);
          sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
        } catch (Exception e) {
          throw new RuntimeException(e);
        }
      }
    }
  
    public static SqlSession getSession() {
      if (sqlSessionFactory == null) {
        init();
      }
      return sqlSessionFactory.openSession();
    }
  
    public static SqlSessionFactory getSqlSessionFactory() {
      init();
      return sqlSessionFactory;
    }
  
  }