i generally use them for something teeny tiny that is only needed in the scope of the main class and doesn't feel right in it's own file as it's never used anywhere but the main class.
On 27 May 2013 12:24, Paul A. <p...@ipauland.com> wrote: > Out of curiosity, has anyone on the list actually used private classes for > anything other than enforcing singleton creation? > > If you have, please tell us and say why it was the best solution. > > > > On 27/05/2013 06:50, Cor wrote: > >> I think they can be usefull to create objects with a lot of its own >> functionality. >> In fact the same as you use a public classes: create objects, and you can >> polymorphism the objects to your needs. >> I also think this will keep your code more readable and clean. >> HTH >> Cor >> >> -----Original Message----- >> From: >> flashcoders-bounces@chattyfig.**figleaf.com<flashcoders-boun...@chattyfig.figleaf.com> >> [mailto:flashcoders-bounces@**chattyfig.figleaf.com<flashcoders-boun...@chattyfig.figleaf.com>] >> On Behalf Of Karl >> DeSaulniers >> Sent: maandag 27 mei 2013 1:22 >> To: Flash Coders List >> Subject: Re: [Flashcoders] AS3 finally.. >> >> Thanks Ktu. That actually makes sense. I was not looking for a reason >> necessarily to use a private class, but more so, saw this example and had >> the though "this must be a private class" and wanted to verify for my own >> understanding. Which you have provided. I see and understand what you mean >> by it is not the most necessary thing to create a private namespace class >> and that I will more then likely be able to accomplish what i need through >> regular classes and never need to set a private class up. Thank you for >> the >> clarification. >> >> Well. Finished Perkins, on to Moock. >> Actually getting excited... LoL >> >> Thanks again, >> >> Best, >> Karl >> >> Sent from losPhone >> >> On May 26, 2013, at 10:40 AM, ktu >> <ktu_flash@cataclysmicrewind.**com<ktu_fl...@cataclysmicrewind.com>> >> wrote: >> >> yes. this is an example of a private class. but as someone earlier >>> mentioned, you shouldn't ever _need_ to use them. and it would be more >>> appropriate not to use them in production code. using the internal >>> namespace gives you some restriction, and you could even use your own >>> namespace for restriction but that's quite uncommon as well. >>> >>> for reference.. >>> - you cannot add a namespace to this 'private' class and should result >>> in a compile error if you do. (ex. public class CustomClient) >>> therefore, it must always be defined as 'class ClassName' with no >>> >> namespace. >> >>> - any classes that you need within this 'private' class must be >>> imported outside the package package com { >>> // code >>> } >>> import flash.display.Sprite >>> class MySprite { >>> // code >>> } >>> - and if some outside object gets a reference to it, you should be >>> able to access public functions and properties so long as you do not >>> try to cast the object as anything other than Object. >>> >>> in my experience, i have yet to feel the need for a pseudo 'private' >>> >> class. >> >>> the internal namespace serves me well most and in a few occasions a >>> custom namespace was required. >>> >>> good luck :) >>> >>> >>> On Sun, May 26, 2013 at 6:58 AM, Karl DeSaulniers >>> >> <k...@designdrumm.com>wrote: >> >>> Ok, I am understanding things a little better I believe. Quick >>>> question to solidify some knowledge. In reference to my question >>>> about a private class, is the class CustomClient at the bottom an >>>> example of a private class? It was mentioned that even if you don't >>>> have the word private there and don't put public, flash automatically >>>> will interpret it as a private class. It is inside the class file but >>>> outside the package for the main class (which was also mentioned), it >>>> does not have public on it so you can't call it outside this file. This >>>> >>> is what a private class is, correct? >> >>> package { >>>> import flash.display.Sprite; >>>> import flash.events.NetStatusEvent; >>>> import flash.events.**SecurityErrorEvent; >>>> import flash.media.Video; >>>> import flash.net.NetConnection; >>>> import flash.net.NetStream; >>>> import flash.events.Event; >>>> >>>> public class NetConnectionExample extends Sprite { >>>> private var videoURL:String = " >>>> http://www.helpexamples.com/**flash/video/cuepoints.flv<http://www.helpexamples.com/flash/video/cuepoints.flv> >>>> "; >>>> private var connection:NetConnection; >>>> private var stream:NetStream; >>>> private var video:Video = new Video(); >>>> >>>> public function NetConnectionExample() { >>>> connection = new NetConnection(); >>>> connection.addEventListener(**NetStatusEvent.NET_STATUS, >>>> netStatusHandler); >>>> connection.addEventListener(**SecurityErrorEvent.SECURITY_* >>>> *ERROR, >>>> securityErrorHandler); >>>> connection.connect(null); >>>> } >>>> >>>> private function netStatusHandler(event:**NetStatusEvent):void >>>> { >>>> switch (event.info.code) { >>>> case "NetConnection.Connect.**Success": >>>> connectStream(); >>>> break; >>>> case "NetStream.Play.**StreamNotFound": >>>> trace("Stream not found: " + videoURL); >>>> break; >>>> } >>>> } >>>> >>>> private function >>>> securityErrorHandler(event:**SecurityErrorEvent):void { >>>> trace("securityErrorHandler: " + event); >>>> } >>>> >>>> private function connectStream():void { >>>> addChild(video); >>>> var stream:NetStream = new NetStream(connection); >>>> stream.addEventListener(**NetStatusEvent.NET_STATUS, >>>> netStatusHandler); >>>> stream.client = new CustomClient(); >>>> video.attachNetStream(stream); >>>> stream.play(videoURL); >>>> } >>>> } >>>> } >>>> >>>> class CustomClient { >>>> public function onMetaData(info:Object):void { >>>> trace("metadata: duration=" + info.duration + " width=" + >>>> info.width + " height=" + info.height + " framerate=" + info.framerate); >>>> } >>>> public function onCuePoint(info:Object):void { >>>> trace("cuepoint: time=" + info.time + " name=" + info.name + " >>>> type=" + info.type); >>>> } >>>> } >>>> >>>> Best, >>>> >>>> Karl DeSaulniers >>>> Design Drumm >>>> http://designdrumm.com >>>> ______________________________**_________________ >>>> Flashcoders mailing list >>>> Flashcoders@chattyfig.figleaf.**com <Flashcoders@chattyfig.figleaf.com> >>>> http://chattyfig.figleaf.com/**mailman/listinfo/flashcoders<http://chattyfig.figleaf.com/mailman/listinfo/flashcoders> >>>> >>> >>> >>> -- >>> Ktu; >>> >>> The information contained in this message may or may not be privileged >>> and/or confidential. If you are NOT the intended recipient, >>> congratulations, you got mail! >>> ______________________________**_________________ >>> Flashcoders mailing list >>> Flashcoders@chattyfig.figleaf.**com <Flashcoders@chattyfig.figleaf.com> >>> http://chattyfig.figleaf.com/**mailman/listinfo/flashcoders<http://chattyfig.figleaf.com/mailman/listinfo/flashcoders> >>> >> ______________________________**_________________ >> Flashcoders mailing list >> Flashcoders@chattyfig.figleaf.**com <Flashcoders@chattyfig.figleaf.com> >> http://chattyfig.figleaf.com/**mailman/listinfo/flashcoders<http://chattyfig.figleaf.com/mailman/listinfo/flashcoders> >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2013.0.3343 / Virus Database: 3184/6360 - Release Date: 05/26/13 >> >> ______________________________**_________________ >> Flashcoders mailing list >> Flashcoders@chattyfig.figleaf.**com <Flashcoders@chattyfig.figleaf.com> >> http://chattyfig.figleaf.com/**mailman/listinfo/flashcoders<http://chattyfig.figleaf.com/mailman/listinfo/flashcoders> >> >> > ______________________________**_________________ > Flashcoders mailing list > Flashcoders@chattyfig.figleaf.**com <Flashcoders@chattyfig.figleaf.com> > http://chattyfig.figleaf.com/**mailman/listinfo/flashcoders<http://chattyfig.figleaf.com/mailman/listinfo/flashcoders> > _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
