Just did a little research for the amfphp guys, Php2go seems to have a
Hashmap class( string keys ). However, seems a Dictionary might be a
better alternative ( unless your hashmap implementation supports
Objects as keys )
On Oct 28, 2008, at 6:47 PM, Evert | Rooftop wrote:
The AMF protocol does allow object references, as long as they're in
the same packet. So this will not work on multiple requests. There's
two howevers:
* While a PHP implemention (amfphp) can autodetect it, it is a
heavy process as it requires looping through all the objects to see
if an object was already used. Now, this could be done using a
hashmap.. but not extremely straightforward
* You know how your business logic works and what a reference (to a
category/id or otherwise) works from a logic perspective. Generally
you'd want to avoid any automatic 'magic' and simply supply category
id's, and make the references manually.
Novice developers love automatic behavior (Classmapping also falls
into this category for me) but manual, predictable behavior often
produces more maintainable and less error-prone results. </endofrant>
Evert
On 28-Oct-08, at 4:55 PM, Jonathan Valliere wrote:
It is my understanding that the Native Flash Objects are assembled
automatically in the Flash player based on the AMF data sent. Just
as if you had a custom XML-based object representation and a
parser. Therefore there wouldn't be such a way to do runtime
memory referencing unless the protocol supported it explicitly.
On Oct 28, 2008, at 10:27 AM, João Saleiro wrote:
Hello,
imagine the following scenario:
- backend in AMFPHP;
- a remote procedure that returns a complex type:
Categories[]
CategoryVO (#12334)
id: 1
name: Accounting
etc...
CategoryVO (#34221)
id: 2
name: Reporting
etc...
- Another remote procedure that returns another complex object:
UserVO (#5456)
id: 1
name: John Doe
CategoryVO (#2145)
id: 2
name: Reporting
The category of the user John Doe is "Reporting", id 2. It's the
same previously returned by the other service, on the position 1
of the categories array. The problem is that, on the client side:
categories[1]==user.category
is false. It's the same category, the problem is that when the
object mapping occurs on the client side, it creates a new
reference, so they are different instances of the same object.
Right now, we need to make some loopings on the client-side to
find and replace references. This involves a lot of work, and has
performance considerations.
Is it possible, or is there a solution to make same objects
returned from the server side have same references on the client
side?
Thanks,
João Saleiro
CTO @ Webfuel
Adobe Community Expert
Co-founder of the Portuguese RIA Community
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