Hi, I didn't notice that MVMap implements ConcurrentMap. Now, I feel confident to use it. Actually, I think the MVStore library is useful in many use cases.
Appreciate your help! Michael Wu Thomas Mueller Graf於 2017年6月10日星期六 UTC+8上午12時08分46秒寫道： > > Hi, > > The get method is thread-safe. The MVMap implements ConcurrentMap which > implies thread-safety. > > Thread-safe method doesn't need to be synchronized. For example, > String.hashCode is not synchronized, but is thread-safe. > > Regards, > Thomas > > > On Friday, June 9, 2017, Michael Wu <[email protected] <javascript:>> > wrote: > >> Hi, >> I am learning to use the MVMap class. I read the source code and found >> that the following methods are all synchronized except the get(...) method: >> >> public synchronized V put(K key, V value) >> public synchronized void clear() >> public synchronized V putIfAbsent(K key, V value) >> public synchronized boolean remove(Object key, Object value) >> public synchronized boolean replace(K key, V oldValue, V newValue) >> public synchronized V replace(K key, V value) >> >> Looks it is not thread safe to use the get(...) method: >> >> public V get(Object key) >> >> Is this an error? Can anyone help? >> >> Thanks in advance! >> Michael >> >> -- >> You received this message because you are subscribed to the Google Groups >> "H2 Database" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/h2-database. >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/h2-database. For more options, visit https://groups.google.com/d/optout.
