GenericController implementation that utilizes services

src/main/groovy/grails/plugin/scaffolding/GenericController.groovy

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+package grails.plugin.scaffolding
+
+import grails.artefact.Artefact
+import grails.gorm.transactions.ReadOnly
+import grails.rest.RestfulController
+import grails.util.Holders
+
+@Artefact("Controller")
+@ReadOnly
+class GenericController<T> extends RestfulController<T> {
+
+    GenericController(Class<T> resource, boolean readOnly) {
+        super(resource, readOnly)
+    }
+
+    protected def getService() {
+        Holders.grailsApplication.getMainContext().getBean(resourceName + 'Service')
+    }
+
+    protected T queryForResource(Serializable id) {
+        getService().get(id)
+    }
+
+    protected List<T> listAllResources(Map params) {
+        getService().list(params)
+    }
+
+    protected Integer countResources() {
+        getService().count()
+    }
+
+    protected T saveResource(T resource) {
+        getService().save(resource)
+    }
+
+    protected T updateResource(T resource) {
+        getService().save(resource)
+    }
+
+    protected void deleteResource(T resource) {
+        getService().delete(resource)
+    }
+}