Synchronized const methods
"Jérôme M. Berger"
jeberger at free.fr
Sat Jun 12 00:28:58 PDT 2010
Daniel Keep wrote:
> immutable means "no one can modify this."
> const means "someone might be able to modify this, but not you can't."
Basically, what the OP said, is that we need readers-writer locks
. A const synchronized method would use the read lock (and
therefore several threads can access the same object through *const*
synchronized methods simultaneously), but a non const synchronized
method would use the read-write lock (which would prevent anyone
else from accessing the same object through a synchronized method,
be it const or not).
mailto:jeberger at free.fr
Jabber: jeberger at jabber.fr
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