[Spring Batch] ItemWriter

JdbcBatchItemWriter

ORM을 사용하지 않는 경우 Writer는 대부분 JdbcBatchItemWriter를 사용

출처 : https://jojoldu.tistory.com/339?category=635883

@Bean
public JdbcBatchItemWriter<User> jdbcBatchItemWriter() {
    String sql = "INSERT INTO User(name, address) values (:name, :address)";
    
    return new JdbcBatchItemWriterBuilder<User>()
                  .dataSource(dataSource)  //DataSource DI
                  .sql(sql)
                  .beanMapped()
                  .build();
}

RepositoryItemWriter

@Bean
public RepositoryItemWriter<User> repositoryItemWriter() {
    return new RepositoryItemWriterBuilder<User>()
                    .repository(userRepository)  //UserRepository DI
                    .methodName("save")
                    .build();
}

MongoItemWriter

@Bean
public MongoItemWriter<User> mongoItemWriter() {
    MongoItemWriter<User> mongoItemWriter = new MongoItemWriter<>();
    mongoItemWriter.setTemplate(mongoTemplate);  //MongoTemplate DI
    mongoItemWriter.setCollection("User");
    
    return mongoItemWriter;
}

MongoBulkWriter 가 필요하다면 https://tjsdud4634.tistory.com/17?category=368184 참조!

 

 

 

참고

https://jojoldu.tistory.com/339?category=635883