Right, I see. I suppose you may be doing something funky in the constructor
for your actual impl of A or B. Try commenting out the constructor and see
if you have the same problem.
-Josh
On Tue, Sep 9, 2008 at 9:17 AM, dmiramontesval
<[EMAIL PROTECTED]>wrote:
> They keys in the Java map are Strings and the values are B objects,
> you could say it is HashMap<String, B>.
> So suppose in Java i do this:
>
> A objectA = new A();
> objectA.myMap = new HashMap();
> B objectB1 = new B();
> objectB1.id = 1;
> objectB1.name = "Test";
> myMap.put("key1", objectB1);
>
> In Flex if i iterate over the myMap property:
>
> for each(var i:* in objectA.myMap) {
> if (i is B) {
> trace(i.id + " " + i.name);
> }
> }
>
> Doing this resets the B object inside myMap, so the trace prints NaN
> and empty string.
>
> If i dont use an instance of B:
>
> for each(var i:* in objectA.myMap) {
> if (!(i is A)) {
> trace(i.id + " " + i.name);
> }
> }
>
> The trace prints 1 Test.
>
> The main issue is that if i create an instance of B anywhere in my
> code, the B object inside myMap resets.
>
> The second issue is that inside the myMap property there are two
> objects instead of just one, this additional object is a reference to
> A and its key is "owner", so the myMap property looks like:
>
> var myMap:Object = {owner:the A object, key1: the B object};
>
>
> I have no idea where this reference to the A object comes from, but i
> can live with that, the main issue is that i can't use the B class
> because if i do the B objects inside the map are reset.
>
>
> --- In flexcoders@yahoogroups.com, "Josh McDonald" <[EMAIL PROTECTED]> wrote:
> >
> > The problem I think is you're using the wrong data structures.
> >
> > If your Java map looks like this:
> >
> > HashMap<int, String> myMap;
> >
> > What you'll get in Flex isn't what you've got below, it's an object like
> > this:
> >
> > var mymap : Object =
> > {
> > 1: "String 1",
> > 2: "String 2",
> > 79: "Blue"
> > }
> >
> > Not the structure that you're trying to coerce it to based on the
> code you
> > posted. But since this is clearly just "example" Flex code and I have no
> > idea about what your Java looks like, I'm just guessing.
> >
> > -Josh
> >
> > On Tue, Sep 9, 2008 at 8:46 AM, dmiramontesval
> > <[EMAIL PROTECTED]>wrote:
> >
> > > I have this weird issue and i can't figure it out, let me explain:
> > >
> > > I have a java object A which has a HashMap variable myMap, this map
> > > will hold objects of class B. In ActionScript i have the corresponding
> > > class A which has a variable myMap but since there is no HashMap in
> > > ActionScript its type is Object and i also have the corresponding
> class B.
> > >
> > > [RemoteClass(alias="com.test.A")]
> > > public class A {
> > > public var myMap:Object; // this is the HashMap in Java
> > > }
> > >
> > > [RemoteClass(alias="com.test.B")]
> > > public class B {
> > > public var id:Number;
> > > public var name:String;
> > > }
> > >
> > > I need to put the objects B contained in the map inside a DataGrid so
> > > i am obtaining the object of class A using a RemoteObject and then i
> > > iterate over the myMap property using a for each in loop, like this:
> > >
> > > for each(var i:* in objectA.myMap) {
> > > someArrayCollection.add(i);
> > > }
> > >
> > > The first issue appears here, suppose the java HashMap contains 3
> > > elements, in the ActionScript loop i get 4 elements, the fourth one
> > > being a reference to the A object (its key appears as "owner"). In
> > > order to avoid this i use the "is" operator like this:
> > >
> > > for each(var i:* in objectA.myMap) {
> > > if (i is B) {
> > > someArrayCollection.add(i);
> > > }
> > > }
> > >
> > > Now here is the real issue, when i do this the B objects contained in
> > > the myMap property are reset to their initial values (NaN and empty
> > > string according to the B class). I changed the if condition to this
> > > and worked:
> > >
> > > for each(var i:* in objectA.myMap) {
> > > if (!(i is A)) {
> > > someArrayCollection.add(i);
> > > }
> > > }
> > > When i did this the DataGrid shows the elements in the
> > > someArrayCollection perfectly fine. I did a little more testing and i
> > > "figured" out the issue, if i use an instance of class B anywhere in
> > > my application, the values of the B objects inside the myMap property
> > > are reset, for example:
> > >
> > > for each(var i:* in objectA.myMap) {
> > > if (i is B) {
> > > someArrayCollection.add(i);
> > > }
> > > }
> > > var test:B = new B();
> > >
> > > This resets the B objects inside the myMap property of the A object
> > > which makes no absolute sense, this is why when i used the B class in
> > > the if condition the objects reset their values.
> > >
> > > So the thing is whenever i use the B class, which is the class of the
> > > objects inside myMap, the B objects are reset!!!! Does anyone know how
> > > to fix this?????
> > >
> > > I am using Flex 2.01 hotfix 3, i wonder if this is some kind of bug
> > > that was solved in a later release.
> > >
> > > Any help would be appreciated.
> > >
> > >
> > > ------------------------------------
> > >
> > > --
> > > Flexcoders Mailing List
> > > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
> > > Search Archives:
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> > > Links
> > >
> > >
> > >
> > >
> >
> >
> > --
> > "Therefore, send not to know For whom the bell tolls. It tolls for
> thee."
> >
> > http://flex.joshmcdonald.info/
> >
> > :: Josh 'G-Funk' McDonald
> > :: 0437 221 380 :: [EMAIL PROTECTED]
> >
>
>
>
> ------------------------------------
>
> --
> Flexcoders Mailing List
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> Search Archives:
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> Links
>
>
>
>
--
"Therefore, send not to know For whom the bell tolls. It tolls for thee."
http://flex.joshmcdonald.info/
:: Josh 'G-Funk' McDonald
:: 0437 221 380 :: [EMAIL PROTECTED]
