I just ran in the way you did. In the same mxml it does show same object
id, but once I leave the screen and load it again I am getting a new object
id.
On Fri, Nov 14, 2014 at 4:07 AM, mark goldin <markzolo...@gmail.com> wrote:
> Yes, I understand what you are saying. I have several models. They all
> behave correctly and this one only creates a new instance every time.
> I have changed my code to look like other models:
> package
> {
> import com.adobe.cairngorm.model.IModelLocator;
> import flash.events.EventDispatcher;
> [Bindable]
> public class ModelLocator extends EventDispatcher implements IModelLocator
> {
> private static var _instance:ModelLocator;
>
> public function ModelLocator(enforcer:SingletonEnforcer)
> {
> if (enforcer == null){
> throw new Error("You can have only one ModelLocator");
> }
> }
> public static function getInstance():ModelLocator{
> if (_instance == null){
> _instance = new ModelLocator(new SingletonEnforcer());
> }
> return _instance;
> }
> }
> }
> class SingletonEnforcer{}
>
>
> On Fri, Nov 14, 2014 at 3:12 AM, Krüger, Olaf <okrue...@edscha.com> wrote:
>
>> >When I am debugging I see that _instance is always different object when
>> I get an instance of my singleton. Is that right?
>>
>> I don't know if this is helpful:
>> I've tested your singleton implementation by creating some instances of
>> 'ModelLocator'.
>> As expected it always returns the same instance of 'ModelLocator' with
>> the same "object id" (@9760161)'.
>> So if you have a different behaviour you should do some research to make
>> sure your singleton works as expected.
>>
>> <fx:Script>
>> <![CDATA[
>> private var modelLocator1:ModelLocator;
>> private var modelLocator2:ModelLocator;
>> private var modelLocator3:ModelLocator;
>> private var modelLocator4:ModelLocator;
>>
>> public function init():void{
>> modelLocator1 = ModelLocator.getInstance(); // ModelLocator
>> (@9760161)
>> modelLocator2 = ModelLocator.getInstance(); // ModelLocator
>> (@9760161)
>> modelLocator3 = ModelLocator.getInstance(); // ModelLocator
>> (@9760161)
>> modelLocator4 = ModelLocator.getInstance(); // ModelLocator
>> (@9760161)
>> }
>> ]]>
>> </fx:Script>
>>
>> Olaf
>>
>>
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