I'd recommend taking a look at my Ajax Service Queue approach, such that all requests go through the service object, and in the subclass for the queue's case won't send the next request until its predecessor has returned. It needs to be updated for 1.6 but the idea is on the wall for you to look at...
Most pertinently is the "onFinish" event which would work perfectly for your circumstance. http://positionabsolute.net/blog/2007/04/ajax-request-queue.php On Nov 24, 8:30 am, "Alex McAuley" <webmas...@thecarmarketplace.com> wrote: > Yes... > > Objects and thier properties are built and stored in memory (how else would > they get built) - the CPU does the calculations and outputs the opcode to > the browser (which reads from memory) what it needs to do with the object > (In very simple terms)... So it stands to reason that if you dont remove the > Object from memory it will just add to the memory bracket. > > To test... > > Build a test page with a periodical ajax request and (on winblows) watch the > RAM that for instance firefox uses in the task manager go up and up and up. > > Then close the whole browser (so it starts clean again) and assign the > periodical updater to a variable > > var request=new Ajax.Periodical...({}); > > request=null; > > And watch the difference between what happend in the first test and the > second... > > In the second test the browser frees up 60-80% of the memory that it used to > make/process the request by nulling the object back to a null byte > > If you look on TJ's proto scripty wikidot my results are there and the code > that accompanies it. > > I assumed it was common knowledge that people garbage collected ajax > requests... Its not just prototypejs but every ajax style library that does > not garbage collect these requests > > Alex Mcauleyhttp://www.thevacancymarket.com > > ----- Original Message ----- > From: "david" <david.brill...@gmail.com> > To: "Prototype & script.aculo.us" <prototype-scriptaculous@googlegroups.com> > Sent: Tuesday, November 24, 2009 11:54 AM > Subject: [Proto-Scripty] Re: Sychronize many asynchronous Ajax.Request > > Yes your right Alex, but the case of maalek did not mention such > numbers of request. > I think in his case using one array is better than using a lot (~14 > differents variables). > > btw, I'm interrest in "In fact the actal request stays in memory > unless you null the object" and after reflexion, that is logical, but > is it normal ?? > > -- > david > > On 24 nov, 09:37, "Alex McAuley" <webmas...@thecarmarketplace.com> > wrote: > > Arrays are stored in memory, they are not a cookie so they do not get > > stored > > on the client machine .. (and you yourself say that even if it was its not > > cross browser) > > > To test .. Do 100 requests with large responses and save them all into an > > array and see how much memory the web browser is eating each time you do > > one... > > > In fact the actal request stays in memory unless you null the object - i > > wrote a post on this in TJ's proto scripty wiki which has test cases to > > prove it. > > > I dont see any reason ever to save the response of multiple requests in an > > object that is saved in memory of the client's browser .... what happens > > if > > they are on an iPhone or somehting with not alot of memory ? > > > Alex Mcauleyhttp://www.thevacancymarket.com > > > ----- Original Message ----- > > From: "david" <david.brill...@gmail.com> > > To: "Prototype & script.aculo.us" > > <prototype-scriptaculous@googlegroups.com> > > Sent: Tuesday, November 24, 2009 7:24 AM > > Subject: [Proto-Scripty] Re: Sychronize many asynchronous Ajax.Request > > > > I'm sorry Alex, but I definitely not agree with you ! > > > First because there is existing method to cache the Ajax request and > > > they use local object to save the result (we have now some new way to > > > save locally a variable but it's not cross-browser). > > > > And next, because an array is much more flexible than variables. you > > > could access each element independantly and have the length method (In > > > our exemple, to know how much elements have been saved). And if each > > > request should have a specific position in the array, length is no > > > more working, but Prototype have sugaristic method that help you > > > playing with Array the way you need. > > > > But there is I think plenty way to do this. > > > > -- > > > david > > > > On 23 nov, 23:44, "Alex McAuley" <webmas...@thecarmarketplace.com> > > > wrote: > > >> It would polute the variable and seriously eat RAM to save every result > > >> response in an array, i would highly recommend staying away from it.. > > > >> Alex Mcauleyhttp://www.thevacancymarket.com > > > >> ----- Original Message ----- > > >> From: "david" <david.brill...@gmail.com> > > >> To: "Prototype & script.aculo.us" > > >> <prototype-scriptaculous@googlegroups.com> > > >> Sent: Monday, November 23, 2009 8:00 PM > > >> Subject: [Proto-Scripty] Re: Sychronize many asynchronous Ajax.Request > > > >> > Hi all, > > > >> > if you need to save all returned value, just save each request result > > >> > in an array. > > >> > Check the length of the result list to know when all request are > > >> > finished. > > > >> > But we still turn around the same idea. > > >> > -- > > >> > david > > > >> > On 23 nov, 15:59, "Alex McAuley" <webmas...@thecarmarketplace.com> > > >> > wrote: > > >> >> The main problem is that due to the "ansynchronous" and the wait > > >> >> times > > >> >> / > > >> >> serverside processing times ... you never know which will finish > > >> >> first > > >> >> nd > > >> >> if > > >> >> the last request relies on the first one completing then its going > > >> >> to > > >> >> hard > > >> >> fail !!... > > > >> >> Each one needs to set a variable to say its complete ! > > > >> >> Alex Mcauleyhttp://www.thevacancymarket.com > > > >> >> ----- Original Message ----- > > >> >> From: "Eric" <lefauv...@gmail.com> > > >> >> To: "Prototype & script.aculo.us" > > >> >> <prototype-scriptaculous@googlegroups.com> > > >> >> Sent: Monday, November 23, 2009 2:30 PM > > >> >> Subject: [Proto-Scripty] Re: Sychronize many asynchronous > > >> >> Ajax.Request > > > >> >> Hi, > > > >> >> I'd launch all Ajax.Request except the last one with a onSuccess > > >> >> handler that: > > >> >> - set a flag > > >> >> - if all flags are set, launch the last Ajax.Request > > > >> >> This way, you don't have to use timer, or loop calling yourself > > >> >> recursively. > > > >> >> Eric > > > >> >> NB: I didn't test it, but you may increment a counter instead of > > >> >> using > > >> >> many flags > > > >> >> On 21 nov, 23:31, "T.J. Crowder" <t...@crowdersoftware.com> wrote: > > >> >> > Hi, > > > >> >> > > Synchronous is simple way but object create time increses x3. > > >> >> > > How > > >> >> > > function use to wait until all object is ready ? setInterval ? > > > >> >> > Probably setTimeout, but yeah; or setTimeout's Prototype wrappers > > >> >> > Function#defer / Function#delay. Have the code in question check > > >> >> > its > > >> >> > preconditions, and if they're not met, setTimeout/defer/delay > > >> >> > itself. > > >> >> > -- > > >> >> > T.J. Crowder > > >> >> > Independent Software Consultant > > >> >> > tj / crowder software / comwww.crowdersoftware.com > > > >> >> > On Nov 21, 2:33 pm, maalek <maaa...@gmail.com> wrote: > > > >> >> > > Synchronous is simple way but object create time increses x3. > > >> >> > > How > > >> >> > > function use to wait until all object is ready ? setInterval ? > > > >> >> > > maaalek > > > >> >> > > On 21 Lis, 14:32, "Alex McAuley" > > >> >> > > <webmas...@thecarmarketplace.com> > > >> >> > > wrote: > > > >> >> > > > Ask it to check a variable that is set as ready by all the > > >> >> > > > others > > >> >> > > > .. > > >> >> > > > or make > > >> >> > > > it defer and be synchronous .. > > > >> >> > > > Alex Mcauleyhttp://www.thevacancymarket.com > > > >> >> > > > ----- Original Message ----- > > >> >> > > > From: "maalek" <maaa...@gmail.com> > > >> >> > > > To: "Prototype & script.aculo.us" > > >> >> > > > <prototype-scriptaculous@googlegroups.com> > > >> >> > > > Sent: Saturday, November 21, 2009 12:59 PM > > >> >> > > > Subject: [Proto-Scripty] Sychronize many asynchronous > > >> >> > > > Ajax.Request > > > >> >> > > > > Hello > > > >> >> > > > > I have problem. When my page is load I build many objects > > >> >> > > > > (aprox > > >> >> > > > > 15) > > >> >> > > > > by Ajax.Request (asynchronous : true) but last object I can > > >> >> > > > > create > > >> >> > > > > when all previous object is ready. Any idea how do that ? > > > >> >> > > > > maaalek > > > >> >> > > > > -- > > > >> >> > > > > You received this message because you are subscribed to the > > >> >> > > > > Google > > >> >> > > > > Groups > > >> >> > > > > "Prototype & script.aculo.us" group. > > >> >> > > > > To post to this group, send email to > > >> >> > > > > prototype-scriptacul...@googlegroups.com. > > >> >> > > > > To unsubscribe from this group, send email to > > >> >> > > > > prototype-scriptaculous+unsubscr...@googlegroups.com. > > >> >> > > > > For more options, visit this group at > > >> >> > > > >http://groups.google.com/group/prototype-scriptaculous?hl=. > > > >> >> -- > > > >> >> You received this message because you are subscribed to the Google > > >> >> Groups > > >> >> "Prototype & script.aculo.us" group. > > >> >> To post to this group, send email to > > >> >> prototype-scriptacul...@googlegroups.com. > > >> >> To unsubscribe from this group, send email to > > >> >> prototype-scriptaculous+unsubscr...@googlegroups.com. > > >> >> For more options, visit this group > > >> >> athttp://groups.google.com/group/prototype-scriptaculous?hl=. > > > >> > -- > > > >> > You received this message because you are subscribed to the Google > > >> > Groups > > >> > "Prototype & script.aculo.us" group. > > >> > To post to this group, send email to > > >> > prototype-scriptacul...@googlegroups.com. > > >> > To unsubscribe from this group, send email to > > >> > prototype-scriptaculous+unsubscr...@googlegroups.com. > > >> > For more options, visit this group at > > >> >http://groups.google.com/group/prototype-scriptaculous?hl=. > > > > -- > > > > You received this message because you are subscribed to the Google > > > Groups > > > "Prototype & script.aculo.us" group. > > > To post to this group, send email to > > > prototype-scriptacul...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > prototype-scriptaculous+unsubscr...@googlegroups.com. > > > For more options, visit this group at > > ... > > read more » -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. 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