I've found using Darron Schall's singleton implementation seems to work great for my projects.
http://www.darronschall.com/weblog/archives/000274.cfm Short of that can you post your singleton implementation code (or at least the constructor) ? --- In flexcoders@yahoogroups.com, "bjorn -" <[EMAIL PROTECTED]> wrote: > > I've made a simple testcase with a singleton and three Flex projects: > > 1. MainApp > 2. ModuleOne > 3. ModuleTwo > > MainApp loads ModuleOne which loads ModuleTwo (it could also load both > modules, the behaviour I describe below seems to be the same in both cases). > > I have created a TestSingleton.as which implements the Singleton pattern (as > far as it can be tanken in AS anyway ..) > > Here's TestSingleton.as's getInstance() method: > > /** > * Get the only instance of the TestSingleton > * @return TestSingleton instance > **/ > public static function getInstance():TestSingleton > { > if (instance == null) > { > instance = new TestSingleton(); > trace("TestSingleton - instance was null, so created new instance"); > } else { > trace("TestSingleton already instanciated, so returning instance.."); > } > return instance; > } > > > If I put the singleton in MainApp, and then getInstance() it from ModuleOne > and ModuleTwo I'll get this in my trace: > > > [SWF] C:\dev\FlexWorkspace\ModuleTestMainApp\bin\ModuleTestModuleOne- > debug.swf - 450,372 bytes after decompression > TestSingleton - instance was null, so created new instance > [SWF] C:\dev\FlexWorkspace\ModuleTestMainApp\bin\ModuleTestModuleTwo- > debug.swf - 446,193 bytes after decompression > TestSingleton already instanciated, so returning instance.. > > .. which is the expected behaviour. > > However, if I put TestSingleton.as in ModuleTwo, I get this: > > [SWF] C:\dev\FlexWorkspace\ModuleTestMainApp\bin\ModuleTestModuleOne- > debug.swf - 450,372 bytes after decompression > TestSingleton - instance was null, so created new instance > [SWF] C:\dev\FlexWorkspace\ModuleTestMainApp\bin\ModuleTestModuleTwo- > debug.swf - 446,193 bytes after decompression > TestSingleton - instance was null, so created new instance > > .. it doesn't behave as a singleton anymore .. > > Can anyone explain why? :-) > > -- > > ======================== > http://www.juicability.com - flex blog > http://www.43min.com - funny movies >
