Re: [Hessianobjc-user] solved - was Re: enum
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Re: [Hessianobjc-user] solved - was Re: enum
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From: Byron W. <by...@bl...> - 2008-01-07 19:20:35
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Hi Tore,
sorry I just have not had time to do write a unit test and apply this
patch. I'll take a look at it later tonight and let you know once I've
applied a patch.
cheers,
Byron
On Jan 4, 2008, at 4:46 PM, Tore Halset wrote:
> Hello.
>
> Anyone able to take a look at this one? And perhaps commit an
> acceptable fix?
>
> - Tore.
>
> On Dec 17, 2007, at 01:43, Tore Halset wrote:
>
>> Hello.
>>
>> Okay, I found a solution. Looks like hessian serialize a enum
>> variable
>> as a Map with a single key, but no value. Here is a working patch
>> that
>> fixes my problem.
>>
>> Index: BBSHessianDecoder.m
>> ===================================================================
>> --- BBSHessianDecoder.m (revision 92)
>> +++ BBSHessianDecoder.m (working copy)
>> @@ -251,6 +251,11 @@
>> //read the type
>> id key = [self decodeObjectForCode:objectTag];
>> [dataInputStream read:&objectTag maxLength:1];
>> + if(objectTag == 'z') {
>> + // java enum are serialized by hessian using a Map
>> with a single key, but no value
>> + [dict setObject:[NSNull null] forKey:key];
>> + break;
>> + }
>> id value = [self decodeObjectForCode:objectTag];
>> if(key != nil) {
>> if(value == nil) {
>>
>>
>> Regards,
>> - Tore.
>>
>> On Dec 17, 2007, at 01:17, Tore Halset wrote:
>>
>>> Hello.
>>>
>>> Sorry, but the map is not related to TreeMap, but encoding a enum.
>>> This enum is burryed far down in the object graph, but I have
>>> isolated
>>> this by trying everything with the transient-keyword.
>>>
>>> The problem is this instanse variable:
>>> protected LifecycleEvent callbackType;
>>>
>>> This is how LifecycleEvent look like:
>>> public enum LifecycleEvent {
>>> PRE_PERSIST, PRE_REMOVE, PRE_UPDATE, POST_PERSIST, POST_REMOVE,
>>> POST_UPDATE, POST_LOAD;
>>> }
>>>
>>> Here is a output from tcpdump.
>>>
>>> 0x0410: 0000 074d 7400 296f 7267 2e61 7061
>>> 6368 ...Mt.)org.apach
>>> 0x0420: 652e 6361 7965 6e6e 652e 6d61 702e 4361
>>> e.cayenne.map.Ca
>>> 0x0430: 6c6c 6261 636b 4465 7363 7269 7074 6f72
>>> llbackDescriptor
>>> 0x0440: 5300 0c63 616c 6c62 6163 6b54 7970 654d
>>> S..callbackTypeM
>>> 0x0450: 7400 256f 7267 2e61 7061 6368 652e 6361 t.
>>> %org.apache.ca
>>> 0x0460: 7965 6e6e 652e 6d61 702e 4c69 6665 6379
>>> yenne.map.Lifecy
>>> 0x0470: 636c 6545 7665 6e74 5300 0b50 5245 5f50
>>> cleEventS..PRE_P
>>> 0x0480: 4552 5349 5354 7a53 000f 6361 6c6c 6261
>>> ERSISTzS..callba
>>> 0x0490: 636b 4d65 7468 6f64 7356 7400 176a 6176
>>> ckMethodsVt..jav
>>> 0x04a0: 612e 7574 696c 2e4c 696e 6b65 6448 6173
>>> a.util.LinkedHas
>>> 0x04b0: 6853 6574 6c00 0000 007a 7a4d 7400 296f
>>> hSetl....zzMt.)o
>>> 0x04c0: 7267 2e61 7061 6368 652e 6361 7965 6e6e
>>> rg.apache.cayenn
>>> 0x04d0: 652e 6d61 702e 4361 6c6c 6261 636b 4465
>>> e.map.CallbackDe
>>> 0x04e0: 7363 7269 7074 6f72 5300 0c63 616c 6c62
>>> scriptorS..callb
>>> 0x04f0: 6163 6b54 7970 654d 7400 256f 7267 2e61 ackTypeMt.
>>> %org.a
>>> 0x0500: 7061 6368 652e 6361 7965 6e6e 652e 6d61
>>> pache.cayenne.ma
>>> 0x0510: 702e 4c69 6665 6379 636c 6545 7665 6e74
>>> p.LifecycleEvent
>>> 0x0520: 5300 0a50 5245 5f52 454d 4f56 457a 5300
>>> S..PRE_REMOVEzS.
>>>
>>> Anyone know where to start on the objc side of it?
>>>
>>> - Tore.
>>>
>>> On Dec 13, 2007, at 01:17, Tore Halset wrote:
>>>
>>>> Hello.
>>>>
>>>> I was able to decode java.util.TreeMap with HessianObjC before, but
>>>> now (after leopard?), they are just decoded as null. The TreeMap
>>>> is a
>>>> member of a mapped class.
>>>>
>>>> Anyone else seen something like this?
>>>>
>>>> Regards,
>>>> - Tore.
>>>>
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>>>
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>>
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