Micronaut Data JDBC support (#18)

docs/guide/src/docs/asciidoc/index.adoc

@@ -153,6 +153,8 @@ include::{root-dir}/examples/micronaut-grails-example/src/test/groovy/micronaut/
 
 There is an experimental generator for the JPA entities from GORM domain classes. You can use either from integration test or using Grails Console plugin
 
+TIP: You can use `MicronautJdbcGenrator` instead of `MicronautJpaGenerator` to generate JDBC repositories instead of generic ones.
+
 [source,groovy,indent=0,options="nowrap"]
 .Integration Test Usage
 ----

examples/micronaut-grails-example/grails-app/domain/micronaut/grails/example/Vehicle.groovy

@@ -0,0 +1,33 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright 2020 Vladimir Orany.
+ *
+ * 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 micronaut.grails.example
+
+class Vehicle {
+
+    String name
+
+    String make
+    String model
+
+    static constraints = {
+        name maxSize: 255
+        make inList: ['Ford', 'Chevrolet', 'Nissan']
+        model nullable: true
+    }
+
+}

examples/micronaut-grails-example/src/test/groovy/micronaut/grails/example/GeneratorSpec.groovy

@@ -35,12 +35,10 @@ class GeneratorSpec extends Specification {
         given:
             File root = initRootDirectory()
         when:
-            int generated = generator.generate(root)
+            generator.generate(root)
         then:
             noExceptionThrown()
 
-            generated == 1
-
         when:
             File entityFile = new File(root, 'micronaut/grails/example/User.groovy')
             File repositoryFile = new File(root, 'micronaut/grails/example/UserRepository.groovy')

examples/micronaut-grails-example/src/test/groovy/micronaut/grails/example/MicronautJdbcGeneratorSpec.groovy

@@ -0,0 +1,66 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright 2020 Vladimir Orany.
+ *
+ * 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 micronaut.grails.example
+
+// tag::body[]
+import com.agorapulse.micronaut.grails.jpa.generator.MicronautJdbcGenerator
+import com.agorapulse.micronaut.grails.test.MicronautGrailsIntegration
+import com.agorapulse.testing.fixt.Fixt
+import org.springframework.beans.factory.annotation.Autowired
+import spock.lang.Specification
+
+@MicronautGrailsIntegration
+class MicronautJdbcGeneratorSpec extends Specification {
+
+    Fixt fixt = Fixt.create(MicronautJdbcGeneratorSpec)
+
+    @Autowired MicronautJdbcGenerator generator
+
+    void 'generate domains'() {
+        given:
+            File root = initRootDirectory()
+        when:
+            generator.generate(root)
+        then:
+            noExceptionThrown()
+
+        when:
+            File entityFile = new File(root, 'micronaut/grails/example/Vehicle.groovy')
+            File repositoryFile = new File(root, 'micronaut/grails/example/VehicleRepository.groovy')
+        then:
+            entityFile.exists()
+            entityFile.text.trim() == fixt.readText('Vehicle.groovy.txt').trim()
+
+            repositoryFile.exists()
+            repositoryFile.text.trim() == fixt.readText('VehicleRepository.groovy.txt').trim()
+    }
+
+    private static File initRootDirectory() {
+        File root = new File(System.getProperty('java.io.tmpdir'), 'micronaut-data-model')
+
+        if (root.exists()) {
+            root.deleteDir()
+        }
+
+        root.mkdirs()
+
+        return root
+    }
+
+}
+// end::body[]

examples/micronaut-grails-example/src/test/resources/micronaut/grails/example/MicronautJdbcGeneratorSpec/Vehicle.groovy.txt

@@ -0,0 +1,37 @@
+package micronaut.grails.example
+
+import groovy.transform.CompileStatic
+import javax.annotation.Nullable
+import javax.persistence.Entity
+import javax.persistence.GeneratedValue
+import javax.persistence.GenerationType
+import javax.persistence.Id
+import javax.persistence.Version
+import javax.validation.constraints.NotNull
+import javax.validation.constraints.Pattern
+import javax.validation.constraints.Size
+
+@Entity
+@CompileStatic
+class Vehicle {
+
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    Long id
+
+    @Version
+    Long version
+
+    @NotNull
+    @Pattern(regexp = 'Ford|Chevrolet|Nissan')
+    @Size(max = 255)
+    String make
+
+    @Nullable
+    @Size(max = 255)
+    String model
+
+    @NotNull
+    @Size(max = 255)
+    String name
+
+}

examples/micronaut-grails-example/src/test/resources/micronaut/grails/example/MicronautJdbcGeneratorSpec/VehicleRepository.groovy.txt

@@ -0,0 +1,10 @@
+package micronaut.grails.example
+
+import io.micronaut.data.jdbc.annotation.JdbcRepository
+import io.micronaut.data.model.query.builder.sql.Dialect
+import io.micronaut.data.repository.CrudRepository
+
+@JdbcRepository(dialect = Dialect.MYSQL)
+interface VehicleRepository extends CrudRepository<Vehicle, Long> {
+
+}