Mark Miller [http://community.jboss.org/people/millerm120] created the 
discussion

"return value from AdvancedCache.lock"

To view the discussion, visit: http://community.jboss.org/message/641094#641094

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The AdvancedCache.lock methods return a boolean which according to the JavaDoc 
is true if lock acquired and false if it is not acquired.
|  | * @return true if the lock acquisition attempt was successful for 
<i>all</i> keys; false otherwise. |


All of the sample code I have seen looks like this:


   tx.begin()    cache.lock(K)    // acquire cluster wide lock on K
   cache.put(K,V5)  // guaranteed to succeed 
   tx.commit()      // releases locks

and does not check the return value of the lock call.

Is it possible for the call to lock to return false or will it always either 
return true or throw an exception?

Thanks in advance,
Mark
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