Enum constructor calls ara only allowed inside the enum class - grails

Question

I'm working on a grails project. Right now I have a very disturbing problem. I have an enum called Status like this:
enum Status {
ENABLED("Habilitado"), DISABLED ("Desabilitado")
String type
private Status(String type) {
this.type = type
}
def String toString() {
return this.type
}
static list() {
[ENABLED, DISABLED]
}
}
I also have a controller called TesterController, which is where I keep getting errors saying "Enum constructor calls are only allowed inside the enum class" The thing is: I do not call the enum constructor from inside the controller class! Here it is:
class TesterController {
static allowedMethods = [save: "POST", update: "POST", delete: "POST"]
def index() {
redirect(action: "list", params: params)
}
def list() {
def minElems = 10
if(params.max) minElems = params.int('max')
params.max = Math.min(minElems, 100)
[testers: Tester.list(params), testerTotal: Tester.count()]
}
def create() {
[tester: new Tester(params)]
}
def save() {
def tester = new Tester(params)
if (!tester.save(flush: true)) {
render(view: "create", model: [tester: tester])
return
}
flash.message = message(code: 'ateweb.created.message', args: [tester.name])
redirect(action: "show", id: tester.id)
}
def show() {
def tester = Tester.get(params.id)
if (!tester) {
flash.message = message(code: 'ateweb.not.found.message', args: [message(code: 'tester.label', default: 'Tester'), params.name])
redirect(action: "list")
return
}
[tester: tester]
}
def edit() {
def tester = Tester.get(params.id)
if (!tester) {
flash.message = message(code: 'ateweb.not.found.message', args: [message(code: 'tester.label', default: 'Tester'), params.name])
redirect(action: "list")
return
}
[tester: tester]
}
def update() {
def tester = Tester.get(params.id)
if (!tester) {
flash.message = message(code: 'ateweb.not.found.message', args: [message(code: 'tester.label', default: 'Tester'), params.name])
redirect(action: "list")
return
}
if (params.version) {
def version = params.version.toLong()
if (tester.version > version) {
tester.errors.rejectValue("version", "ateweb.optimistic.locking.failure",
[message(code: 'tester.label', default: 'Tester')] as Object[],
"Another user has updated this Tester while you were editing")
render(view: "edit", model: [tester: tester])
return
}
}
tester.properties = params
if (!tester.save(flush: true)) {
render(view: "edit", model: [tester: tester])
return
}
flash.message = message(code: 'ateweb.updated.message', args: [tester.name])
redirect(action: "show", id: tester.id)
}
}
Ok. So I am lost with this. Any help is appreciated.

Answer 1

There are a few issues with the definition of your Status class, though I don't know if these are the cause of your problem
enum Status {
ENABLED("Habilitado"), DISABLED ("Desabilitado")
String type
// delcaring the constructor private doesn't make much sense because
// enum constuctors can never be called outside the class
private Status(String type) {
this.type = type
}
// return type is declared as both def (Object) and String
def String toString() {
return this.type
}
// this is identical to the automatically-generated values() method
static list() {
[ENABLED, DISABLED]
}
}
Redefine this class as
enum Status {
ENABLED("Habilitado"), DISABLED ("Desabilitado")
String type
Status(String type) {
this.type = type
}
String toString() {
return this.type
}
}
and use values() instead of the deleted list() method, and maybe your problem will disappear