[infinispan-issues] [JBoss JIRA] Work started: (ISPN-351) LockContainer.acquireLock() to return Lock instead of boolean?

[Galder Zamarreno (JIRA)]

     [ https://jira.jboss.org/jira/browse/ISPN-351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ISPN-351 started by Galder Zamarreno.

> LockContainer.acquireLock() to return Lock instead of boolean?
> --------------------------------------------------------------
>
>                 Key: ISPN-351
>                 URL: https://jira.jboss.org/jira/browse/ISPN-351
>             Project: Infinispan
>          Issue Type: Feature Request
>            Reporter: Galder Zamarreno
>            Assignee: Galder Zamarreno
>             Fix For: 4.0.0.Final
>
>
> I'm finding LockContainer and its implementations such as ReentrantPerEntryLockContainer very useful in other projects for example when you wanna maintain some kind of per-key locks.
> However, discussing with Brian, he made a good point about the LockContainer API:
>    boolean acquireLock(Object key, long timeout, TimeUnit unit) throws InterruptedException;
>    Lock getLock(Object key);
> Sometimes, you wanna acquire the lock and keep the lock around. To do so right now, u have to make two calls, one to acquireLock and one to getLock. It'd be better if acquireLock was enhanced to be this way:
>    Lock acquireLock(Object key, long timeout, TimeUnit unit) throws InterruptedException;
> So, if acquireLock suceeds, it returns the lock immediately. If it doesn't, it could simply return null.
> WDYT?

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