Bill Barker a écrit : > I've been working on a SparseRealVector that implements RealVector but is > backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is more > speed than space. Mostly it is going well, but running into a few problems > where some RealVector methods are almost nonsensical for sparse vectors > (e.g. mapInvToSelf). > > Since the default value of OpenIntToDoubleHashMap is final, this means that > I currently have to replace the map in this case (so it really isn't 'self' > afterwards). So what i'm asking is if it is better to have the default > value mutable or to allow the backing to be replaced in a "*ToSelf" method.
I suppose you are speaking about the missingEntries field of OpenIntToDoubleHashMap ? I would prefer this field remains final. The *ToSelf methods on the other hand really imply values can change, so changing the underlying backing store seems fair. Luc > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org