Yes framework, or more specifically the code in the service engine that handles the semaphore services.
Regards Scott On 17/06/2010, at 10:02 PM, Chirag Manocha wrote: > Which code ? Framework ? > > While searching on topic I found this > http://ofbiz.markmail.org/search/?q=Semaphore#query:Semaphore%20list%3Aorg.apache.ofbiz.user+page:3+mid:ai2oszstroga6fpx+state:results > > Jacques, How did u resolve that ? :-) > > > Regards > -- > Chirag Manocha > Emforium Pvt. Ltd. > Contact :- +91-98735-47457, +91-98263-19099 > Please don't print this Email unless you really need to - this will preserve > trees on planet earth. > > ----- Original Message ----- >> From: "Scott Gray" <scott.g...@hotwaxmedia.com> >> To: user@ofbiz.apache.org >> Sent: Thursday, June 17, 2010 3:11:44 PM >> Subject: Re: Services semaphore attribute > >> There could be a bug in the code, the entity definition is correct >> because an entry gets put in that table when a semaphore service is >> begun and then removed when it completes. The presence of a record in >> the entity is the indicator that the semaphore service is being run so >> any subsequent calls need to wait. >> >> Obviously it shouldn't be trying to add another row for the same >> service, it should instead be waiting until the row is removed so that >> it can write a fresh row and begin the next service call in queue. >> >> Regards >> Scott >> >> HotWax Media >> http://www.hotwaxmedia.com >> >> On 17/06/2010, at 9:23 PM, Chirag Manocha wrote: >> >>> Thanks Jacques, Scott. >>> >>> I saw the entity ServiceSemaphore. Why the primary key of this >>> entity is serviceName ? >>> Like In my case when 10 requests come simultaneously, there is a >>> service event in request. Now service needs to be called >>> sequentially. Now when I use the semaphore attribute i.e. >>> semaphore="wait", It gives exception:- >>> Message: SQL Exception while executing the following:INSERT INTO >>> public.SERVICE_SEMAPHORE (SERVICE_NAME, LOCK_THREAD, LOCK_TIME, >>> LAST_UPDATED_STAMP, LAST_UPDATE >>> D_TX_STAMP, CREATED_STAMP, CREATED_TX_STAMP) VALUES (?, ?, ?, ?, ?, >>> ?, ?) (ERROR: duplicate key value violates unique constraint >>> "pk_service_semaphore") >>> >>> >>> Regards >>> -- Chirag Manocha >>> Emforium Pvt. Ltd. >>> Contact :- +91-98735-47457, +91-98263-19099 >>> Please don't print this Email unless you really need to - this will >>> preserve trees on planet earth. >>> >>> ----- Original Message ----- >>>> From: "Jacques Le Roux" <jacques.le.r...@les7arts.com> >>>> To: user@ofbiz.apache.org >>>> Sent: Thursday, June 17, 2010 1:25:34 PM >>>> Subject: Re: Services semaphore attribute >>> >>>> Right, >>>> https://cwiki.apache.org/confluence/display/OFBTECH/Service+Engine+Guide >>>> >>>> Simply type semaphore in the search box Jacopo implemented in the >>>> OFBiz main page >>>> >>>> Jacques >>>> >>>> Scott Gray wrote: >>>>> I'm pretty sure I documented this as part of the service engine >>>>> guide in confluence. I don't have a link handy. >>>>> >>>>> Regards >>>>> Scott >>>>> >>>>> On 17/06/2010, at 7:30 PM, Jacques Le Roux wrote: >>>>> >>>>>> Hi Chirag, >>>>>> >>>>>> I think you are looking to use the wait value of the semaphore >>>>>> attribute. Beware of the timeout though... >>>>>> You may combine with the other semaphore attributes if needed >>>>>> <xs:attribute name="semaphore-wait-seconds" type="xs:int" >>>>>> default="300"/> <xs:attribute name="semaphore-sleep" >>>>>> type="xs:int" default="500"/> >>>>>> >>>>>> HTH >>>>>> >>>>>> Jacques >>>>>> Please use rather the user MLfor such questions, thanks... >>>>>> ----- Original Message ----- >>>>>> From: Chirag Manocha >>>>>> To: jacques.le.r...@les7arts.com >>>>>> Sent: Thursday, June 17, 2010 9:11 AM >>>>>> Subject: Services semaphore attribute >>>>>> >>>>>> >>>>>> Hi Jacques, >>>>>> Can you please tell me about semaphore attribute of service tag. >>>>>> >>>>>> The scenario is when I am getting multiple request(request is >>>>>> calling a service) then I want the service to be called in >>>>>> sequence rather than parallel, >>>>>> >>>>>> If you can provide some links to documentation that will be help, >>>>>> >>>>>> Thanks and Regards >>>>>> -- Chirag Manocha >>>>>> +91-98735-47457
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