Re: Best practice to run threads from processElement

> You can use participants, or regular threads as inner classes. Drone  
> is using something like that when reindexing through the admin  
> interface:
> http://svn.rifers.org/drone/trunk/src/implementations/com/uwyn/drone/webui/elements/admin/ReindexSearch.java
>
>
> On 29 May 2009, at 16:24, Matthias Barmeier wrote:
>
>  
>> Hi,
>>
>> OK sounds cool. I will try it over the holidays.
>>
>> Thanx.
>>
>> Ciao
>>    Matthias
>>
>> Huibert Gill schrieb:
>>    
>>> Look into to Rife participants and create a simple one.
>>> Use it to create, start and monitor you threads from there.
>>> Should be pretty easy.
>>>
>>> Also using the participant, your threads could use callbacks to the
>>> participant to report progress.
>>>
>>> Your element can then safly read teh reported statuses.
>>>
>>>
>>> happy hacking!
>>>
>>> Huibert Gill
>>>
>>> 2009/5/29 Matthias Barmeier <matthias.barmeier@...
>>> <mailto:matthias.barmeier@...>>
>>>
>>>
>>>    Hi out there,
>>>
>>>    I wonder if there is a best practice available to solve the  
>>> following
>>>    problem:
>>>
>>>    I want to initiate several background tasks that tars a huge  
>>> file set
>>>    200GB+. This takes a while and I would like to move this
>>>    processing in a
>>>    thread, triggered from a submission handler. The thread/s will  
>>> run for
>>>    several hours and they should report a progress that another  
>>> Element
>>>    should render.
>>>
>>>    My "naive" approach would be:
>>>
>>>    Start the thread from the submission handler and write something  
>>> to
>>>    disk/database to store the state. The Element that renders the
>>>    state of
>>>    the threads reads the states from the disk and renders the  
>>> progress.
>>>
>>>    Drawbacks: loosing the thread handle, synchronization problems.
>>>
>>>    Is there something to make it better/more stable/ more rife ?
>>>
>>>    Ciao
>>>       Matthias
>>>
>>>
>>>
>>>
>>>
>>>      
>
> --
> Geert Bevin
> Terracotta - http://www.terracotta.org
> Uwyn "Use what you need" - http://uwyn.com
> RIFE Java application framework - http://rifers.org
> Flytecase Band - http://flytecase.be
> Music and words - http://gbevin.com
>
>
> >