[infinispan-dev] Time for a tryLock() ?

[Manik Surtani]

On 26 Apr 2012, at 13:05, Dan Berindei wrote:

> What seems to be missing is an overload with a custom timeout, it may
> be useful to try locking with a shorter timeout in the first attempt
> (maybe even 0?) like we do for deadlock detection.

There is a flag for that.

https://github.com/infinispan/infinispan/blob/master/core/src/main/java/org/infinispan/context/Flag.java#L79


> 
> But that is a bit orthogonal, as it would be useful for write
> operations as well, so maybe a 6.0 idea...
> 
> 
> On Thu, Apr 26, 2012 at 2:55 PM, Mircea Markus <mircea.markus at jboss.com> wrote:
>> On 26 Apr 2012, at 14:42, Erik Salter wrote:
>> 
>>> FWIW, I implement a TryLock like this:
>>> 
>>> boolean success = cache.getAdvancedCache()
>>>            .withFlags(Flag.FAIL_SILENTLY).lock(key);
>> 
>> +1, this seems like solving the issue.
>> 
>>> 
>>> Regards,
>>> 
>>> Erik
>>> 
>>> -----Original Message-----
>>> From: infinispan-dev-bounces at lists.jboss.org
>>> [mailto:infinispan-dev-bounces at lists.jboss.org] On Behalf Of Galder
>>> Zamarreño
>>> Sent: Thursday, April 26, 2012 6:59 AM
>>> To: Mircea Markus
>>> Cc: infinispan -Dev List
>>> Subject: [infinispan-dev] Time for a tryLock() ?
>>> 
>>> Looks like rolling back the transaction when a lock timeout is encountered
>>> can be problematic: https://community.jboss.org/message/731307#731307
>>> 
>>> Maybe time to implement a tryLock() that attempts to acquire the lock but
>>> does not rollback the transaction if it cannot acquire it?
>>> 
>>> Thoughts?
>>> --
>>> Galder Zamarreño
>>> Sr. Software Engineer
>>> Infinispan, JBoss Cache
>>> 
>>> 
>>> _______________________________________________
>>> infinispan-dev mailing list
>>> infinispan-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>> 
>> 
>> 
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> 
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--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani

Lead, Infinispan
http://www.infinispan.org



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