Update and cleanup for Grails 6/Java 11

examples/pubsub-demo/build.gradle

@@ -21,27 +21,18 @@ dependencies {
     implementation 'org.grails:grails-plugin-url-mappings'
     implementation 'org.grails:grails-web-boot'
 
-    implementation 'org.grails.plugins:cache', { exclude module: 'asset-pipeline-grails' }
     implementation 'org.grails.plugins:hibernate5'
     implementation 'org.grails.plugins:views-json'
-    implementation 'org.grails.plugins:views-json-templates'
 
     implementation 'org.springframework.boot:spring-boot-autoconfigure'
     implementation 'org.springframework.boot:spring-boot-starter'
     implementation 'org.springframework.boot:spring-boot-starter-logging'
     implementation 'org.springframework.boot:spring-boot-starter-tomcat'
 
-    implementation 'org.hibernate:hibernate-core'
-    implementation 'org.hibernate:hibernate-ehcache'
-
-    console 'org.grails:grails-console'
-
     runtimeOnly 'com.h2database:h2'
     runtimeOnly 'org.apache.tomcat:tomcat-jdbc'
 
     testImplementation 'io.micronaut:micronaut-http-client'
-    testImplementation 'io.micronaut:micronaut-inject-groovy'
-    testImplementation 'org.grails:grails-gorm-testing-support'
     testImplementation 'org.grails:grails-web-testing-support'
 
 }

examples/pubsub-demo/grails-app/conf/application.yml

@@ -1,39 +1,15 @@
----
-grails:
-    profile: rest-api
-    codegen:
-        defaultPackage: pubsub.demo
-    spring:
-        transactionManagement:
-            proxies: false
-    gorm:
-        # Whether to autowire entities. 
-        # Disabled by default for performance reasons.
-        autowire: false         
-        reactor:
-            # Whether to translate GORM events into Reactor events
-            # Disabled by default for performance reasons
-            events: false
 info:
     app:
         name: '@info.app.name@'
         version: '@info.app.version@'
         grailsVersion: '@info.app.grailsVersion@'
-spring:
-    main:
-        banner-mode: "off"
-    groovy:
-        template:
-            check-template-location: false
-
-# Spring Actuator Endpoints are Disabled by Default
-endpoints:
-    enabled: false
-    jmx:
-        enabled: true
-
----
 grails:
+    views:
+        default:
+            codec: html
+    gorm:
+        reactor:
+            events: false
     mime:
         disable:
             accept:
@@ -45,72 +21,32 @@ grails:
                         - Trident
         types:
             json:
-              - application/json
-              - text/json   
+                - application/json
+                - text/json
             hal:
-              - application/hal+json
-              - application/hal+xml  
+                - application/hal+json
+                - application/hal+xml
             xml:
-              - text/xml
-              - application/xml                                 
+                - text/xml
+                - application/xml
             atom: application/atom+xml
             css: text/css
             csv: text/csv
             js: text/javascript
             rss: application/rss+xml
             text: text/plain
-            all: '*/*'            
-    urlmapping:
-        cache:
-            maxsize: 1000
-    controllers:
-        defaultScope: singleton
-    converters:
-        encoding: UTF-8
-
----
-hibernate:
-    cache:
-        queries: false
-        use_second_level_cache: true
-        use_query_cache: false
-        region.factory_class: org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory
-
+            all: '*/*'
 dataSource:
-    pooled: true
-    jmxExport: true
+    url: jdbc:h2:mem:devDb;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
     driverClassName: org.h2.Driver
     username: sa
-    password:
-
-environments:
-    development:
-        dataSource:
-            dbCreate: create-drop
-            url: jdbc:h2:mem:devDb;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
-    test:
-        dataSource:
-            dbCreate: update
-            url: jdbc:h2:mem:testDb;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
-    production:
-        dataSource:
-            dbCreate: none
-            url: jdbc:h2:./prodDb;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
-            properties:
-                jmxEnabled: true
-                initialSize: 5
-                maxActive: 50
-                minIdle: 5
-                maxIdle: 25
-                maxWait: 10000
-                maxAge: 600000
-                timeBetweenEvictionRunsMillis: 5000
-                minEvictableIdleTimeMillis: 60000
-                validationQuery: SELECT 1
-                validationQueryTimeout: 3
-                validationInterval: 15000
-                testOnBorrow: true
-                testWhileIdle: true
-                testOnReturn: false
-                jdbcInterceptors: ConnectionState
-                defaultTransactionIsolation: 2 # TRANSACTION_READ_COMMITTED
+    password: ''
+    pooled: true
+    jmxExport: true
+hibernate:
+    hbm2ddl:
+        auto: update
+    cache:
+        queries: false
+        use_second_level_cache: false
+        use_query_cache: false

examples/pubsub-demo/grails-app/controllers/pubsub/demo/ApplicationController.groovy

@@ -1,9 +1,11 @@
 package pubsub.demo
 
 import grails.core.GrailsApplication
-import grails.util.Environment
-import grails.plugins.*
+import grails.plugins.GrailsPluginManager
+import grails.plugins.PluginManagerAware
+import groovy.transform.CompileStatic
 
+@CompileStatic
 class ApplicationController implements PluginManagerAware {
 
     GrailsApplication grailsApplication

examples/pubsub-demo/grails-app/controllers/pubsub/demo/SumController.groovy

@@ -1,15 +1,19 @@
 package pubsub.demo
 
+import groovy.transform.CompileStatic
 
+@CompileStatic
 class SumController {
-	static responseFormats = ['json', 'xml']
+
+	@SuppressWarnings('unused')
+    static responseFormats = ['json', 'xml']
 
     SumService sumService
     TotalService totalService
 
     def index() {
-        int sum = sumService.sum(1, 2)
+        int sum = sumService.sum 1, 2
         int total = totalService.accumulatedTotal
-        render "sum: $sum, total: $total"
+        render"sum: $sum, total: $total"
     }
 }

examples/pubsub-demo/grails-app/controllers/pubsub/demo/TaskController.groovy

@@ -1,24 +1,28 @@
 package pubsub.demo
 
+import groovy.transform.CompileStatic
 
 import static grails.async.web.WebPromises.*
 
+@CompileStatic
 class TaskController {
+
+    @SuppressWarnings('unused')
 	static responseFormats = ['json', 'xml']
 
     def index() {
         task {
             sleep 1000
-            render "good"
+            render 'good'
         }
     }
 
     def error() {
         task {
-            sleep(1000)
-            throw new RuntimeException("bad")
+            sleep 1000
+            throw new RuntimeException('bad')
         }.onError {
-            render text:"error occured",status: 500
+            render text: 'error occurred', status: 500
         }
     }
 }

examples/pubsub-demo/grails-app/domain/pubsub/demo/Author.groovy

@@ -1,8 +1,13 @@
 package pubsub.demo
 
+import grails.compiler.GrailsCompileStatic
+
 /**
  * Created by graemerocher on 18/05/2017.
  */
+@GrailsCompileStatic
 class Author {
+
     String name
+
 }

examples/pubsub-demo/grails-app/domain/pubsub/demo/Book.groovy

@@ -1,5 +1,10 @@
 package pubsub.demo
 
+import grails.compiler.GrailsCompileStatic
+
+@GrailsCompileStatic
 class Book {
+
     String title
+
 }

examples/pubsub-demo/grails-app/init/pubsub/demo/Application.groovy

@@ -2,9 +2,11 @@ package pubsub.demo
 
 import grails.boot.GrailsApp
 import grails.boot.config.GrailsAutoConfiguration
+import groovy.transform.CompileStatic
 import org.springframework.context.annotation.ComponentScan
 
 @ComponentScan
+@CompileStatic
 class Application extends GrailsAutoConfiguration {
     static void main(String[] args) {
         GrailsApp.run(Application, args)

examples/pubsub-demo/grails-app/services/pubsub/demo/SumService.groovy

@@ -2,7 +2,9 @@ package pubsub.demo
 
 import grails.events.annotation.Publisher
 import grails.gorm.transactions.Transactional
+import groovy.transform.CompileStatic
 
+@CompileStatic
 class SumService {
 
     @Publisher

examples/pubsub-demo/grails-app/services/pubsub/demo/TotalService.groovy

@@ -2,24 +2,29 @@ package pubsub.demo
 
 import grails.events.Event
 import grails.events.annotation.Subscriber
+import groovy.transform.CompileStatic
 
+@CompileStatic
 class TotalService {
 
     int accumulatedTotal = 0
 
     @Subscriber
+    @SuppressWarnings('unused')
     void onSum(int total) {
         accumulatedTotal += total
     }
 
     @Subscriber
+    @SuppressWarnings('unused')
     void onSum(Event<Integer> event) {
         println "Event $event.id"
         println "Data $event.data"
         println "Parameters $event.parameters"
     }
 
     @Subscriber
+    @SuppressWarnings('unused')
     void onSum(Throwable error) {
         println "Oh NO!!! $error.message"
     }