Matt - Would subclassing really be an issue? presumably, the subclass would have a different name than the super class, so it wont really be a method override, or am i looking at it too simplistically?
At 12:24 PM 10/26/2005, you wrote: >The Player team is still thinking about it. We all want private >constructors, but we may not get them for this release and will instead >need to rely on the kludge like you mentioned. The consequences of the >private constructor are not obvious but they are there (for example the >inability to subclass since you cant create another public/protected >constructor since we dont get overloading; fine for a singleton, maybe >not fine in the general case) > > >---------- >From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On >Behalf Of Spike >Sent: Wednesday, October 26, 2005 8:34 AM >To: flexcoders@yahoogroups.com >Subject: Re: [flexcoders] Implementing ModelLocator pattern in AS3/Flex2 > >I agree that it's a bit of a kludge, but it does provide a reliable way to >implement the Singleton pattern. > >With a bit of luck MM will add private constructors to the language before >the final release and we won't have to worry about it. > >My guess is that there are a couple of internal things that rely on there >being a public constructor and that it will get added later. > >Spike >On 10/26/05, Battershall, Jeff ><<mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED]> wrote: >Spike, > >Thanks! Why should we have to do such a kludgy workaround, though? Why >can't we have a private constructor if Java does? Suppose that's a >question for the Flash Player engineering team... > >Jeff >-----Original Message----- >From: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >[mailto: [EMAIL PROTECTED] On Behalf Of Spike >Sent: Wednesday, October 26, 2005 11:16 AM >To: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >Subject: Re: [flexcoders] Implementing ModelLocator pattern in AS3/Flex2 > > >Yeah, my bad, > >I wrote that in the email editor and didn't test it, but hopefully it >demonstrates the idea. > >Spike >On 10/26/05, Battershall, Jeff ><<mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED] > wrote: >Hmmmm....shouldn't the private var 'instance' also be static? > >Jeff >-----Original Message----- >From: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >[mailto: [EMAIL PROTECTED] On Behalf Of Spike >Sent: Wednesday, October 26, 2005 10:50 AM >To: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >Subject: Re: [flexcoders] Implementing ModelLocator pattern in AS3/Flex2 >package { > public class MySingleton { > > private var instance:MySingleton; > > public MySingleton(x:PrivateClass) { > instance = this; > } > > public static getInstance():MySingleton { > if (instance == null) { > instance = new MySingleton(new PrivateClass()); > } > return instance; > } > } > > private class PrivateClass { > > } >} > >Something like that. > >Spike > >On 10/26/05, Battershall, Jeff <<mailto:[EMAIL PROTECTED]> >[EMAIL PROTECTED] > wrote: >I've been playing with this a bit and my big, big question is this: How >the heck can you create a singleton when the contructor evidently must be >public in AS 3.0? > >Jeff Battershall >Application Architect >Dow Jones Indexes ><mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED] >(609) 520-5637 (p) >(484) 477-9900 (c) >-----Original Message----- >From: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >[mailto: [EMAIL PROTECTED] On Behalf Of Benoit Hediard >Sent: Tuesday, October 25, 2005 9:48 AM >To: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >Subject: RE: [flexcoders] Implementing ModelLocator pattern in AS3/Flex2 >I don't think that bindings works on singleton instance syntax. > >TestLocator.as >--------------------- >package { > > public class TestLocator { > > private static var testLocator:TestLocator; > > public var someProperty:String; > > public static function getInstance():TestLocator { > if(testLocator == null) > testLocator = new TestLocator(); > > return testLocator; > } > > public function TestLocator() { > this.someProperty = "Some value"; > } > > } >} > >Test.mxml >----------------- ><?xml version="1.0" ?> ><mx:Application xmlns:mx="<http://www.macromedia.com/2005/mxml> >http://www.macromedia.com/2005/mxml"; xmlns="*"> > ><mx:Script> > <![CDATA[ > import TestLocator; > > private function onChangeClick():Void { > TestLocator.getInstance().someProperty = 'Some other value'; > } > ]]> ></mx:Script> > ><mx:Label text="{TestLocator.getInstance().someProperty}" /> > ><mx:Button label="Change value" click="onChangeClick()" /> > ></mx:Application> > >Anyway, I'll wait for the release of Cairngorm for Flex2.0 to see how >Steven and Allistair did this part of their framework. > >Thanks. > >Benoit Hediard > > >---------- >De : <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >[mailto: [EMAIL PROTECTED] De la part de Matt Chotin >Envoyé : lundi 24 octobre 2005 19:39 >À : <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >Objet : RE: [flexcoders] Implementing ModelLocator pattern in AS3/Flex2 > >I haven't investigated this for real but you may need to turn ModelLocator >into a singleton so that there's an instance of an object to >watch. Because we're doing code-gen and not prototype hacking it's >impossible to make a Class object an EventDispatcher. The singleton >approach would allow us to use the code-gen and then you'd simply bind to >ModelLocator.getInstance().myModel instead of ModelLocator.myModel. > > > >Matt > > > >---------- >From: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >[mailto: [EMAIL PROTECTED] On Behalf Of Clint Modien >Sent: Friday, October 21, 2005 12:18 PM >To: <mailto:flexcoders@yahoogroups.com>flexcoders@yahoogroups.com >Subject: Re: [flexcoders] Implementing ModelLocator pattern in AS3/Flex2 > > > >Make the objects in the Model Locator typed.... by importing the classes >you need to ref. > >On 10/21/05, Benoit Hediard <<mailto:[EMAIL PROTECTED]> [EMAIL PROTECTED]> >wrote: > >Since it is not possible to create bindings to static properties, how do >you implement the ModelLocator pattern in AS3? > > > >Benoit Hediard > > > >PS: by the way, any information on an alpha release of Cairngorm for Flex2.0? > > > >-- >Flexcoders Mailing List >FAQ: ><http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt>http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt >Search Archives: ><http://www.mail-archive.com/flexcoders%40yahoogroups.com>http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > >---------- >YAHOO! GROUPS LINKS > > > Visit your group "<http://groups.yahoo.com/group/flexcoders> flexcoders" > on the web. > > To unsubscribe from this group, send an email to: > <mailto:[EMAIL PROTECTED]> > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to the > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service. > > >---------- > > > >-- >Flexcoders Mailing List >FAQ: ><http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt>http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > >Search Archives: ><http://www.mail-archive.com/flexcoders%40yahoogroups.com>http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > > >---------- >YAHOO! GROUPS LINKS > > Visit your group "<http://groups.yahoo.com/group/flexcoders>flexcoders" > on the web. > > To unsubscribe from this group, send an email to: > <mailto:[EMAIL PROTECTED]> > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to the > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service. > > >---------- > > > >-- >-------------------------------------------- >Stephen Milligan >Do you do the Badger? ><http://www.yellowbadger.com>http://www.yellowbadger.com > >Do you cfeclipse? <http://www.cfeclipse.org>http://www.cfeclipse.org > > >-- >Flexcoders Mailing List >FAQ: ><http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt>http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt >Search Archives: ><http://www.mail-archive.com/flexcoders%40yahoogroups.com>http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > > >SPONSORED LINKS ><http://groups.yahoo.com/gads?t=ms&k=Web+site+design+development&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=L-4QTvxB_quFDtMyhrQaHQ>Web > >site design development ><http://groups.yahoo.com/gads?t=ms&k=Computer+software+development&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=lvQjSRfQDfWudJSe1lLjHw>Computer > >software development ><http://groups.yahoo.com/gads?t=ms&k=Software+design+and+development&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=1pMBCdo3DsJbuU9AEmO1oQ>Software > >design and development ><http://groups.yahoo.com/gads?t=ms&k=Macromedia+flex&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=OO6nPIrz7_EpZI36cYzBjw>Macromedia > >flex ><http://groups.yahoo.com/gads?t=ms&k=Software+development+best+practice&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=f89quyyulIDsnABLD6IXIw>Software > >development best practice > > > >---------- >YAHOO! GROUPS LINKS > > Visit your group "<http://groups.yahoo.com/group/flexcoders>flexcoders" > on the web. > > To unsubscribe from this group, send an email to: > <mailto:[EMAIL PROTECTED]> > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to the > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service. > > >---------- > > > >-- >-------------------------------------------- >Stephen Milligan >Do you do the Badger? ><http://www.yellowbadger.com>http://www.yellowbadger.com > >Do you cfeclipse? <http://www.cfeclipse.org>http://www.cfeclipse.org > > > >-- >Flexcoders Mailing List >FAQ: ><http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt>http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt >Search Archives: ><http://www.mail-archive.com/flexcoders%40yahoogroups.com>http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > > >SPONSORED LINKS ><http://groups.yahoo.com/gads?t=ms&k=Web+site+design+development&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=L-4QTvxB_quFDtMyhrQaHQ>Web > >site design development ><http://groups.yahoo.com/gads?t=ms&k=Computer+software+development&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=lvQjSRfQDfWudJSe1lLjHw>Computer > >software development ><http://groups.yahoo.com/gads?t=ms&k=Software+design+and+development&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=1pMBCdo3DsJbuU9AEmO1oQ>Software > >design and development ><http://groups.yahoo.com/gads?t=ms&k=Macromedia+flex&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=OO6nPIrz7_EpZI36cYzBjw>Macromedia > >flex ><http://groups.yahoo.com/gads?t=ms&k=Software+development+best+practice&w1=Web+site+design+development&w2=Computer+software+development&w3=Software+design+and+development&w4=Macromedia+flex&w5=Software+development+best+practice&c=5&s=166&.sig=f89quyyulIDsnABLD6IXIw>Software > >development best practice > > > >---------- >YAHOO! GROUPS LINKS > > Visit your group "<http://groups.yahoo.com/group/flexcoders>flexcoders" > on the web. > > To unsubscribe from this group, send an email to: > <mailto:[EMAIL PROTECTED]> > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to the > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service. > > >---------- > > > >-- >-------------------------------------------- >Stephen Milligan >Do you do the Badger? ><http://www.yellowbadger.com>http://www.yellowbadger.com > >Do you cfeclipse? <http://www.cfeclipse.org>http://www.cfeclipse.org > > > > >-- >Flexcoders Mailing List >FAQ: ><http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt>http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt >Search Archives: ><http://www.mail-archive.com/flexcoders%40yahoogroups.com>http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > > > >---------- >YAHOO! GROUPS LINKS > > * Visit your group > "<http://groups.yahoo.com/group/flexcoders>flexcoders" on the web. > * > * To unsubscribe from this group, send an email to: > * > <mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED] > > * > * Your use of Yahoo! Groups is subject to the > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service. > > >---------- ------------------------ Yahoo! Groups Sponsor --------------------~--> Fair play? Video games influencing politics. Click and talk back! http://us.click.yahoo.com/T8sf5C/tzNLAA/TtwFAA/nhFolB/TM --------------------------------------------------------------------~-> -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
