Learn how to build a Spring Boot application using GORM.
- Spring Boot 3.3.7
- Grace Framework 2023.3.0-M1
plugins {
id 'groovy'
id 'org.springframework.boot'
id 'io.spring.dependency-management'
id 'org.graceframework.grace-core'
}
dependencies {
implementation 'org.apache.groovy:groovy'
implementation 'org.graceframework:grace-boot'
implementation 'org.graceframework:grace-plugin-core'
implementation 'org.graceframework:grace-plugin-datasource'
implementation 'org.graceframework.plugins:hibernate'
runtimeOnly 'com.h2database:h2'
}Update src/main/resources/application.yml,
hibernate:
show_sql: true
dialect: org.hibernate.dialect.H2Dialect
dataSource:
dbCreate: create-drop
pooled: true
jmxExport: true
driverClassName: org.h2.Driver
url: jdbc:h2:file:./build/boot_dev;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
username: sa
password:Creating Post.groovy and place it in app/domain,
class Post {
String title
static constraints = {
title(blank: false, nullable: false, maxSize: 255)
}
String toString() {
"#$id $title"
}
}Note
In Grace 2023.1.0, you can also place GORM Entity in the src/main/groovy.
Creating PostService.groovy and place it in app/services,
@grails.gorm.services.Service(Post)
interface PostService {
List<Post> findAll()
Post save(Post post)
}Now, GORM will generate $PostServiceImplementation for your application,
then you can use it in your Spring Boot application just like in Grace,
// Post methods
new Post(title: 'Grace 2022.2.8 is released').save()
Post.list()
Post.where()
// PostService methods
postService.findAll()In the src/main/groovy/grace/guides/GraceApplication, if you use Grace before 2023.1.0, remember that, exculding the AutoConfigurations, HibernateJpaAutoConfiguration, DataSourceAutoConfiguration, TransactionAutoConfiguration in GraceApplication, now in Grace 2023.1.0, there is no need to do this.
@SpringBootApplication
class GraceApplication implements CommandLineRunner {
@Autowired
BootStrap bootStrap
@Autowired
PostService postService
static void main(String[] args) {
SpringApplication.run(GraceApplication, args)
}
@Override
void run(String... args) throws Exception {
println 'Prepare Sample Data '.padRight(94, '>')
bootStrap.init()
println()
println 'Load All Posts '.padRight(94, '>')
postService.findAll().each {
println it
}
}
}Staring the App by execute the following Gradle task,
~/gs-spring-boot-gorm ./gradlew bootRun
> Task :bootRun
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v3.3.7)
2025-01-19T07:32:05.073+08:00 INFO 94169 --- [ restartedMain] grace.guides.GraceApplication : Starting GraceApplication using Java 17.0.12 with PID 94169 (/Users/rain/Development/github/grace/grace-guides/gs-spring-boot-gorm/build/classes/groovy/main started by rain in /Users/rain/Development/github/grace/grace-guides/gs-spring-boot-gorm)
2025-01-19T07:32:05.074+08:00 INFO 94169 --- [ restartedMain] grace.guides.GraceApplication : No active profile set, falling back to 1 default profile: "default"
2025-01-19T07:32:05.093+08:00 INFO 94169 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2025-01-19T07:32:05.093+08:00 INFO 94169 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2025-01-19T07:32:05.607+08:00 INFO 94169 --- [ restartedMain] g.plugins.DefaultGrailsPluginManager : Total 3 plugins loaded successfully, take in 32 ms
2025-01-19T07:32:05.830+08:00 INFO 94169 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port 8080 (http)
2025-01-19T07:32:05.837+08:00 INFO 94169 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2025-01-19T07:32:05.837+08:00 INFO 94169 --- [ restartedMain] o.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/10.1.34]
2025-01-19T07:32:05.856+08:00 INFO 94169 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2025-01-19T07:32:05.857+08:00 INFO 94169 --- [ restartedMain] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 763 ms
2025-01-19T07:32:06.031+08:00 INFO 94169 --- [ restartedMain] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.6.15.Final
2025-01-19T07:32:06.132+08:00 INFO 94169 --- [ restartedMain] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}
2025-01-19T07:32:06.264+08:00 INFO 94169 --- [ restartedMain] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
Hibernate: drop table if exists comment CASCADE
Hibernate: drop table if exists post CASCADE
Hibernate: create table comment (id bigint generated by default as identity, version bigint not null, text varchar(255) not null, primary key (id))
Hibernate: create table post (id bigint generated by default as identity, version bigint not null, title varchar(255) not null, primary key (id))
2025-01-19T07:32:06.665+08:00 WARN 94169 --- [ restartedMain] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
2025-01-19T07:32:06.857+08:00 WARN 94169 --- [ restartedMain] .b.a.g.t.GroovyTemplateAutoConfiguration : Cannot find template location: classpath:/templates/ (please add some templates, check your Groovy configuration, or set spring.groovy.template.check-template-location=false)
2025-01-19T07:32:06.898+08:00 INFO 94169 --- [ restartedMain] o.s.b.a.h2.H2ConsoleAutoConfiguration : H2 console available at '/h2-console'. Database available at 'jdbc:h2:file:./build/boot_dev'
2025-01-19T07:32:06.918+08:00 INFO 94169 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2025-01-19T07:32:06.925+08:00 INFO 94169 --- [ restartedMain] o.s.b.a.e.web.EndpointLinksResolver : Exposing 15 endpoints beneath base path '/actuator'
2025-01-19T07:32:06.966+08:00 INFO 94169 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port 8080 (http) with context path '/'
2025-01-19T07:32:06.976+08:00 INFO 94169 --- [ restartedMain] grace.guides.GraceApplication : Started GraceApplication in 2.067 seconds (process running for 2.408)
2025-01-19T07:32:06.985+08:00 DEBUG 94169 --- [ restartedMain] PluginsInfoApplicationContextInitializer :
----------------------------------------------------------------------------------------------
Order Plugin Name Plugin Version Enabled
----------------------------------------------------------------------------------------------
1 Core 2023.3.0-M1 Y
2 DataSource 2023.3.0-M1 Y
3 Hibernate 2023.2.0 Y
----------------------------------------------------------------------------------------------
Prepare Sample Data >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into post (id, version, title) values (default, ?, ?)
Hibernate: insert into comment (id, version, text) values (default, ?, ?)
Load All Posts >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Hibernate: select this_.id as id1_1_0_, this_.version as version2_1_0_, this_.title as title3_1_0_ from post this_
#1 Grace 2022.2.0 is released
#2 Grace 2022.2.1 is released
#3 Grace 2022.2.2 is released
#4 Grace 2022.2.3 is released
#5 Grace 2022.2.4 is released
#6 Grace 2022.2.5 is released
#7 Grace 2022.2.6 is released
#8 Grace 2022.2.7 is released
#9 Grace 2022.2.8 is released
#10 Grace 2022.2.9 is released
#11 What's new in Grace 2023.0.0?
#12 Grace 2023.1.0 is also available now!
Load All Comments >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Hibernate: select comment0_.id as id1_0_, comment0_.version as version2_0_, comment0_.text as text3_0_ from comment comment0_
Wow, Grace is awesome!