Re: about storing data

hello

if i have class Car and CarImpl
and i have to create the child class for example BigCar 
and SmallCar
1. is this child class must be extended OzoneRemote and 
OzoneObject????
2. if not my child class my extended from what??? the 
class Car or carImpl

3. to create of list with OzoneZCompatible what can i do 
to implement it?
any example use it?


thanks


On Fri, 18 Mar 2005 09:38:18 +0100
  Per Nyfelt <[email protected]> wrote:
> fredagen den 18 mars 2005 03.12 skrev Adi:
>> i confuse with some of example of ozone
>> would you like to help me
>>
>> there are example use hashTable, treeMap, AbstractMap,
>> ozoneObject.
>> what different of them?
>> and if i will create user account database, what of them
>> can i use it????
> Assuming you have created your own user management 
>structure and each user is 
> an OzoneCompatible the following would apply:
> 
> If the total number of users are less tan a couple of 
>thousand then any 
> standard Map implementation is fine.
> 
> If the total number of users might be bigger than that 
>you should consider 
> looking at the (still experimental) persistant 
>collections module.
> 
> If you are using the User object in Ozone things are 
>slightly different since 
> a User is a plain serializable and hence storing several 
>thousands of them in 
> a Memory-only Map is probably not a good idea (though it 
>might still be OK 
> since User is a pretty light-weight Object).
> 
>>
>> can i store a pic into ozone database??? can i use blog 
>>to
>> implement it?
> 
> Yes Blob would be a good choice. Small pictures can 
>alternatively be stored as 
> a byte[].
> 
>>
>> thanks
> 
> Welcome,
> 
> Per
> 
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