Hi Monika,
>
> I am trying to reduce memory leaks in my application and also reduce
> the use of memory in IE. I followed instructions on docs. However
> after using functions like
> _disposeObjects and _disposeFields I am still receiving warnings about
> missing destructs definitions.
Which documentation do you mean? This one:
http://qooxdoo.org/documentation/0.8/memory_management
When do you call these functions? Normally these functions are called in
the "destruct" section from your class definition.
> I would like also to ask about dispose method, when it should be used?
You should use the dispose methods for referenced types (arrays, maps,
objects, etc) if you have a reference in you member section. Have a look
to the code snipped. [1]
> My understanding of the above functions is:
> - use disposeObjects for qooxdoo labels, qooxdoo textfields, qooxdoo
> tables (any qooxdoo widgets)
Yes, that's right. With this method you can dispose for example qooxdoo
widgets, but you can also dispose "normal" qooxdoo objects.
> - use disposeFields for number, strings, arrays, objects (pure
> JavaScript types)
Yes, but you can also delete a reference to a qooxdoo object. This is
normally needed if a other instance has to dispose this object, than you
only dispose the reference.
> - use disposeArray for arrays of qooxdoo objects.
Yes, that's right.
I hope I could answer your questions. If there is something unclear,
pleas ask.
Cheers,
Chris
[1] <-- code snippet -->
qx.Class.define("testmem.Test",
{
extend : qx.core.Object,
construct : function(otherObject) {
this.base(arguments);
// This object should perhaps dispose the caller,
// so use only disposeFields instead of , disposeObjects,
// but this is use case specific.
this.__otherObject = otherObject;
// This object is created from this current constructor,
// so use disposeObjects for this one.
this.__myObject = new testmem.MyObject();
members :
{
__myObject : null,
__otherObject : null,
test : function() {
// some code
}
},
dispose : function() {
this._disposeObjects("__myObject");
this._disposeFields("__otherObject");
});
------------------------------------------------------------------------------
Enter the BlackBerry Developer Challenge
This is your chance to win up to $100,000 in prizes! For a limited time,
vendors submitting new applications to BlackBerry App World(TM) will have
the opportunity to enter the BlackBerry Developer Challenge. See full prize
details at: http://p.sf.net/sfu/Challenge
_______________________________________________
qooxdoo-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
