Re: More Flexible "final"
Stefan Ram schrieb:
Christian <fakemail@xyz.de> writes:
for (int i=0; i < linearfactors.length(); i++) {
if (linearfactors.getElement(i) != 0) {
firstPositionUnequalZero = i;
This breaks Demeter's Law, because it addresses an object
?linearfactors? obtained from a parameter object (?block?).
It also breaks the GRASP information expert pattern: ?block?
has the information to calculate ?firstPositionUnequalZero?,
so it should implement this operation.
Thus (simplified):
public TreeCodingBlock
( final INCBlock block )
{ this.firstPositionUnequalZero = block.firstPositionUnequalZero();
this.lastPositionUnequalZero = block.lastPositionUnequalZero(); }
for INCBlock interface the first position unequal to zero has no meaning...
therefore it was not implemented in INCBlock , also ByteVector had no
need for such a method
TreeCodingBlock is in a plug-in that provides a "Blockmanager" a class
that may decorate any INCBlocks .. this decorater now has some use to
have a fast way to know whats the first factor unequal to zero is ..
though I will follow Daniel Pits advice and add it to the ByteVector's
methods as it is not really a problem to change to original program..
thx
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