Do you know if there is a patch for hessian soon ? I need to send data
to flex client in a project, and I would like to know if I can expect a
correction for this bug, or if I have to wrap all my ejbs in normal
objects for hessian service ?
Thanks for any information.
Riccardo Cohen wrote:
> Thanks a lot.
> Could you please also have a look at the reverse serialization because
> it seems to have also a problem :
>
> I have a service :
>
> public boolean adduser(user newuser)
> {
> System.out.println("new user :");
> System.out.println("name:"+newuser.getName());
> System.out.println("email:"+newuser.getEmail());
> System.out.println("enddate:"+newuser.getEnddate());
> System.out.println("studentflag:"+newuser.isStudentflag());
> System.out.println("proflag:"+newuser.isProflag());
> return false;
> }
>
> and I send it from mxml :
>
> var newuser:user=new user;
> newuser.name="haha";
> newuser.email="[EMAIL PROTECTED]";
> newuser.__amber_email="[EMAIL PROTECTED]";
> newuser.enddate=new Date();
> newuser.studentflag=true;
> newuser.proflag=false;
> var token:AsyncToken = service.adduser.send(newuser);
>
> The result is :
>
> new user :
> name:null
> email:null
> enddate:null
> studentflag:false
> proflag:false
>
> (I tried to add __amber_ but it does not change)
> Thanks.
>
> Emil Ong wrote:
>> On Tue, Mar 11, 2008 at 12:21:16PM +0100, Riccardo Cohen wrote:
>>> I found the data in my object with ObjectUtils.toString(event.result) :
>>>
>>> (Object)#0
>>> __amber_id = 1
>>> __amber_name = "vvname"
>>> __amber_pass = "vv"
>>> __amber_email = "[EMAIL PROTECTED]"
>>> id = 0
>>> name = (null)
>>> pass = (null)
>>> email = (null)
>>>
>>> That's why I could not get the email : I have to add __amber_ !
>>>
>>> I guess this is because the object sent by the server is an entity ejb.
>>>
>>> So these are my questions :
>>>
>>> - is it possible to have the correct fields names even for ejbs ?
>>>
>>> - how can I "cast" the event.result to my object of class user ? (I
>>> tried "user us=event.result as user;" but it does not work)
>>>
>>> Thanks for any info.
>> Hi Riccardo,
>>
>> This is a bug in Amber. I've filed it here:
>>
>> http://bugs.caucho.com/view.php?id=2515
>>
>> A workaround for now might be to add these __amber_ fields to your
>> ActionScript object, but this would be an unstable hack since we'll be
>> fixing this to behave properly in the future.
>>
>> Best,
>> Emil
>>
>>
>>> Riccardo Cohen wrote:
>>>> Hello again
>>>> I'm puzzled with an as3 syntax problem. I have an entity bean on the
>>>> server :
>>>>
>>>> @Entity
>>>> @Table(name="user")
>>>> public class user implements Serializable
>>>> {
>>>> @Id @Column(name="id") @GeneratedValue int id;
>>>> @Basic @Column(name="name") String name;
>>>> @Basic @Column(name="pass") String pass;
>>>> @Basic @Column(name="email") String email;
>>>> ....
>>>>
>>>> and I retreive it like in the ria sample in flex :
>>>>
>>>> var obj:Object=event.result;
>>>> var str:String="";
>>>> var tmp:Object;
>>>> for each (tmp in obj)
>>>> str+=typeof(tmp)+"="+tmp+"\n";
>>>> debug.text=str;
>>>> user_email.text="email="+obj.email+", has
>>>> email="+obj.hasOwnProperty("email");
>>>>
>>>> the debug.text shows corretly all the data:
>>>>
>>>> number=0
>>>> boolean=false
>>>> [EMAIL PROTECTED]
>>>> boolean=false
>>>> ...
>>>>
>>>> but even if hasOwnProperty works, the obj.email returns always null:
>>>>
>>>> email=null, has email=true
>>>>
>>>> I tried obj["email"] but it is the same. I'm not used to as3, I know
>>>> better as2, and I cannot understand how to get the email directly ?
>>>> while in the ria sample , wordObject._value.name seems to work all right...
>>>>
>>>> Thanks
>>>>
>>>> Emil Ong wrote:
>>>>> Hi Riccardo,
>>>>>
>>>>> On Fri, Mar 07, 2008 at 01:14:34AM +0100, Riccardo Cohen wrote:
>>>>>> Hello
>>>>>> I've just spent a day to install latest resin pro with latest eclipse
>>>>>> and latest flex3 sdk ... and I successfully ran the flex sample for
>>>>>> hessian (http://hessian.caucho.com/#Flash/Flex), adding a little of ejb
>>>>>> (entity bean) for database access. I must say the result look really
>>>>>> simple to use (at the end only), even if the background necessary to use
>>>>>> all these tools & libs becomes more and more heavy.
>>>>> Great! I'm glad it all worked out for you.
>>>>>
>>>>>> Now I need to build a web site where the public data is in html and the
>>>>>> administration of the site is in flex.
>>>>>>
>>>>>> I know now how to retreive a string or an int, but I could not find any
>>>>>> doc about more complex object serialisation with hessian/flex ?
>>>>>> I need to retreive many data from ejb, with join selections and probably
>>>>>> hierarchical information. To optimize the data exchange, I think of
>>>>>> retreiving the whole information in 1 call, that would give me a big
>>>>>> serialized objet with fields, arrays, etc.
>>>>>>
>>>>>> I really don't know the syntax for this. The hessian as3 api doc is not
>>>>>> clear about that, and I found no sample.
>>>>>> Thanks for any help, any link or any doc.
>>>>> Check out this tutorial:
>>>>>
>>>>> http://hessian.caucho.com/ria/
>>>>>
>>>>> It shows the use of more complicated objects as return values and
>>>>> arguments in a Hessian call from Flex.
>>>>>
>>>>> Best,
>>>>> Emil
>>>>>
>>>>> ============================================================
>>>>>
>>>>> Emil Ong
>>>>> Chief Evangelist
>>>>> Caucho Technology, Inc.
>>>>> Tel. (858) 456-0300
>>>>> mailto:[EMAIL PROTECTED]
>>>>>
>>>>> Caucho: Reliable Open Source
>>>>> --> Resin: application server
>>>>> --> Quercus: PHP in Java
>>>>> --> Hessian Web Services
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> hessian-interest mailing list
>>>>> [email protected]
>>>>> http://maillist.caucho.com/mailman/listinfo/hessian-interest
>>>>>
>>> --
>>> Très cordialement,
>>>
>>> Riccardo Cohen
>>> -------------------------------------------
>>> Articque
>>> http://www.articque.com
>>> 149 av Général de Gaulle
>>> 37230 Fondettes - France
>>> tel : 02-47-49-90-49
>>> fax : 02-47-49-91-49
>>>
>>>
>>> _______________________________________________
>>> hessian-interest mailing list
>>> [email protected]
>>> http://maillist.caucho.com/mailman/listinfo/hessian-interest
>> ============================================================
>>
>> Emil Ong
>> Chief Evangelist
>> Caucho Technology, Inc.
>> Tel. (858) 456-0300
>> mailto:[EMAIL PROTECTED]
>>
>> Caucho: Reliable Open Source
>> --> Resin: application server
>> --> Quercus: PHP in Java
>> --> Hessian Web Services
>>
>>
>> _______________________________________________
>> hessian-interest mailing list
>> [email protected]
>> http://maillist.caucho.com/mailman/listinfo/hessian-interest
>>
>
--
Très cordialement,
Riccardo Cohen
-------------------------------------------
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http://www.articque.com
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37230 Fondettes - France
tel : 02-47-49-90-49
fax : 02-47-49-91-49
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