Right, I was more thinking of disallowing java.util.Date/Calendar and FORCE people to either JodaTime or JSR-310.
On Mon, Jun 25, 2012 at 4:50 PM, Kent Sølvsten <[email protected]> wrote: > I dont think we have to completely disallow Date's. That would probably > require usage of som Qi4jDate instead - and creating a great Date API is > beyond scope of Qi4J i think. > > What about this: > > On vb.prototype().att1().set(new Date()) we either store and immutable copy > of the date (or just the millisecond value). value.att1().get() return an > immutable date > > ? > > And then we simply allow a value to contain types, that are known to be > immutable, or known types which we can handle more or less this way. > > > /Kent > > Den 25/06/2012 kl. 10.29 skrev Niclas Hedhman: > >> On Mon, Jun 25, 2012 at 3:50 PM, Kent Sølvsten <[email protected]> wrote: >>> So you are basically saying that >>> >>> 1) The prototype for a value is mutable. >>> 2) You can assign 'primitive' values or ValueComposite's to its attributes >>> 3) A prototype cannot be assigned to an attribute of another prototype >> >> Correct >> >> 4) Special handling for List, Map and possibly other Collections. >> 5) Special handling for Date and Calendar (they are mutable, and >> should probably be disallowed completely!!!) >> >>> Not sure if it worth the effort to ensure mutability inside all types of >>> weird values in general. >> >> Good point. It is somewhere between hard to impossible to figure out... >> >> Cheers >> -- >> Niclas Hedhman, Software Developer >> http://www.qi4j.org - New Energy for Java >> >> I live here; http://tinyurl.com/3xugrbk >> I work here; http://tinyurl.com/6a2pl4j >> I relax here; http://tinyurl.com/2cgsug >> >> _______________________________________________ >> qi4j-dev mailing list >> [email protected] >> http://lists.ops4j.org/mailman/listinfo/qi4j-dev >> > > > _______________________________________________ > qi4j-dev mailing list > [email protected] > http://lists.ops4j.org/mailman/listinfo/qi4j-dev -- Niclas Hedhman, Software Developer http://www.qi4j.org - New Energy for Java I live here; http://tinyurl.com/3xugrbk I work here; http://tinyurl.com/6a2pl4j I relax here; http://tinyurl.com/2cgsug _______________________________________________ qi4j-dev mailing list [email protected] http://lists.ops4j.org/mailman/listinfo/qi4j-dev
