That is nice, I like how you can assign functions to compile time variables.
On 7/9/06, Cédric Néhémie <[EMAIL PROTECTED]> wrote:
Hi,
I've trying to create singleton, and the best way i've fund is to create
the instance direcly in the class declaration
private static var _oInstance:MyClass = getInstance();
And to check if constructor is called in code I do that :
public function MyClass ()
{
if (_oInstance == null)
throw new IllegalOperationError ("MyClass is a singleton, and an
instance allready exist. Use getInstance to get a reference to the
instance");
}
In that way an instance is automatically created and every call of the
constructor will throw an error. If you don't want to have an instance
at start, but only when getInstance is called it's a bit less proper :
private static var _bInstanciable:Boolean = false;
private static var _oInstance:MyClass;
public function MyClass ()
{
if(!_bInstanciable)
throw new IllegalOperationError ("MyClass is a singleton, and an
instance allready exist. Use getInstance to get a reference to the
instance");
}
public static function getInstance ():MyClass
{
if(_oInstance == null)
{
_bInstanciable = true;
_oInstance = new MyClass();
_bInstanciable = false;
}
return _oInstance;
}
> Hi,
>
> This might be old stuff but I missed it completely ... I was wondering
if
> somebody can tell me the rationale about that constructors in AS3.0 must
be
> public and what happens to Singletons in AS3.0?
>
> Thanks,
> Sascha
>
>
>
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