Haha i knew i remember seeing something, we can take insperation for key locking from how concurrenthashmap achieves it.
http://gee.cs.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/ConcurrentHashMap.java On 26 Feb 2012, at 01:14, Michael André Pearce wrote: > Doug Lee and using hashes, though i still cant remember for the life of me > where ive seen this atm. (it cant be too distant past if i remember the guys > name) > > > On 26 Feb 2012, at 01:06, Simone Tripodi wrote: > >> +1 concurrency is still an open issue in DM >> >> best, >> -Simo >> >> http://people.apache.org/~simonetripodi/ >> http://simonetripodi.livejournal.com/ >> http://twitter.com/simonetripodi >> http://www.99soft.org/ >> >> >> >> On Sun, Feb 26, 2012 at 1:33 AM, Michael André Pearce >> <[email protected]> wrote: >>> Also can i suggest locking on the key for put/updates/deletes? avoids >>> someone getting a key whilst it is in transitive state of being updated by >>> another, ive seen before a fancy way of doing this, avoiding a lock for >>> every key, will have to try remember. >>> >>> On 26 Feb 2012, at 00:24, Simone Tripodi wrote: >>> >>>> Hi all guys, >>>> >>>> I had a chat with Benoit in another thread and I realized no one of >>>> our class is Thread safe - what do you think of actual behavior that >>>> every component accepts a setter for any member - that could cause >>>> strange behaviors at runtime? >>>> >>>> I would analyze wich components can be converted to immutable - IIUC >>>> Benoit agreed with me on having some PointerImpl members as immutable, >>>> i.e. CacheService#setMap( ConcurrentMap<K, Pointer<V>> map ) means >>>> dropping all the already stored data :) >>>> >>>> Thoughts? >>>> best, >>>> -Simo >>>> >>>> http://people.apache.org/~simonetripodi/ >>>> http://simonetripodi.livejournal.com/ >>>> http://twitter.com/simonetripodi >>>> http://www.99soft.org/ >>> >
