Grailsでドメイン駆動設計を実践する時の勘所
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The document describes setting up a Grails application with domain classes, controllers, and MyBatis integration for database access. It includes: 1) Creating a Grails application, domain class, and scaffolding controller. 2) Configuring plugins and dependencies for Spring Boot and MyBatis. 3) Defining domain classes for Book and ISBN with constraints and mappings. 4) Implementing mappers and XML mapping files for MyBatis. 5) Creating repository interfaces and services to abstract data access.
![class IsbnUserType implements UserType {
@Override
int[] sqlTypes() {
return [StringType.INSTANCE.sqlType()]
}
@Override
Class returnedClass() {
return Isbn.class
}
}](https://image.slidesharecdn.com/pointofpracticingdddwithgrailsspringday2016-161119105328/75/Grails-50-2048.jpg)
Grailsでドメイン駆動設計を実践する時の勘所
- 9. $ grails create-app helloworld $ cd helloworld $ grails create-domain-class hello $ vi ./grails-app/domain/helloworld/ Hello.groovy
- 10. package helloworld class Hello { String message static constraints = { } }
- 11. $ grails create-controller hello $ vi ./grails-app/controllers/ helloworld/HelloController.groovy
- 12. package helloworld class HelloController { static scaffold = Hello }
- 13. $ grails run-app
- 41. grails { exploded = true plugins { compile project(':core-domain-plugin') compile project(':sub-domain-plugin') } } includeFlat 'core-domain-plugin' includeFlat 'sub-domain-plugin'
- 50. class IsbnUserType implements UserType { @Override int[] sqlTypes() { return [StringType.INSTANCE.sqlType()] } @Override Class returnedClass() { return Isbn.class } }
- 51. package com.example.domain class Isbn { private String isbnCode }
- 52. class Book { String title Isbn isbn BigDecimal standardUnitPrice static mapping = { isbn type: IsbnUserType } String toString() { title } }
- 54. dependencies { compile "org.springframework.boot:spring-boot-starter-logging" compile "org.springframework.boot:spring-boot-autoconfigure" compile "org.grails:grails-core" compile "org.springframework.boot:spring-boot-starter-actuator" compile "org.springframework.boot:spring-boot-starter-tomcat" compile "org.mybatis.spring.boot:mybatis-spring-boot-starter:1.1.1" : }
- 55. package com.example.domain class Isbn { private String isbnCode }
- 56. package com.example.domain import grails.validation.Validateable class Book implements Validateable { Long id String title Isbn isbn BigDecimal standardUnitPrice Long version static constraints = { } }
- 57. package com.example.infrastructure import com.example.domain.Book import org.apache.ibatis.annotations.Mapper import org.apache.ibatis.annotations.Param @Mapper interface BookMapper { void register(@Param("book") Book book) List<Book> list() }
- 58. <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > <mapper namespace="com.example.infrastructure.BookMapper"> <resultMap id="product" type="com.example.domain.Book"> <id property="id" column="id"/> <result property=“isbn.isbnCode" column="isbn_code"/> <result property="title" column=“title"/> <result property="standardUnitPrice" column=“standard_unit_price”/> <result property="version" column="version"/> </resultMap> : </mapper>
- 62. package com.example class BookRepositoryService { List<Book> list() { Book.findAll() } : }
- 63. package com.example.domain interface BookRepository { List<Book> list() Book get(Long id) }
- 64. package com.example.infrastructure import com.example.domain.Book import com.example.domain.BookRepository import org.springframework.stereotype.Repository @Repository class BookDatasource implements BookRepository { @Override List<Book> list() { Book.findAll() } : }