if there are any hints or tips that you think a noob might make good use of when starting with Tree let me know , other than that i'll just do my best to formulate some answerable questions :)
On 11/29/05, Cosmin Bucur <[EMAIL PROTECTED]> wrote: > UGH ... i'm failing to see the big picture with the tree big time ... > > But I think that this sorter isn't as critical as other things . I'll > keep on banging my head against it , dooing test deploy after test > deploy and will try to form some more educated questions ... > > it's obvious i'm sure , but this is so unclear and confusing to me , > that i can't even form a proper question that would help me get it . . > . > > On 11/29/05, Jesse Kuhnert <[EMAIL PROTECTED]> wrote: > > public int compare(Object o1, > > > Object o2) > > Compares its two arguments for order. Returns a negative integer, zero, or a > > positive integer as the first argument is less than, equal to, or greater > > than the second. > > > > The implementor must ensure that sgn(compare(x, y)) == -sgn(compare(y, x)) > > for all x and y. (This implies that compare(x, y) must throw an exception if > > and only if compare(y, x) throws an exception.) > > > > The implementor must also ensure that the relation is transitive: > > ((compare(x, y)>0) && (compare(y, z)>0)) implies compare(x, z)>0. > > > > Finally, the implementer must ensure that compare(x, y)==0 implies that > > sgn(compare(x, z))==sgn(compare(y, z)) for all z. > > > > It is generally the case, but not strictly required that (compare(x, y)==0) > > == (x.equals(y)). Generally speaking, any comparator that violates this > > condition should clearly indicate this fact. The recommended language is > > "Note: this comparator imposes orderings that are inconsistent with equals." > > > > Parameters:o1 - the first object to be compared.o2 - the second object to be > > compared. Returns:a negative integer, zero, or a positive integer as the > > first argument is less than, equal to, or greater than the second. Throws: > > ClassCastException - if the arguments' types prevent them from being > > compared by this Comparator. > > > > > > On 11/29/05, Cosmin Bucur <[EMAIL PROTECTED]> wrote: > > > > > > The value returned does not come from the comparator logic , but from > > > a method inside the File object . I won't be using File so I need to > > > know what int value i need to return from compare(Object o , Object o2 > > > ) under which cases > > > > > > On 11/29/05, Cosmin Bucur <[EMAIL PROTECTED]> wrote: > > > > I wanted to know what values the Tacos tree is expecting for what cases > > > > > > > > Maybe it's just me having holes in my basic java knowledge then , and > > > > in this case working with the Comparator interface is a prerequisite > > > > of beeing able to manipulate tacos:Tree ? > > > > > > > > On 11/29/05, Jesse Kuhnert <[EMAIL PROTECTED] > wrote: > > > > > The Comparator interface is a java construct. Lots of the java > > internals > > > > > already implement Comparable, like String/numbers/etc.. (I think). > > > > > > > > > > Not sure what you want explained here? There are probably lots of > > tutorials > > > > > on this on the net. > > > > > > > > > > > > > > > On 11/29/05, Cosmin Bucur <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > I just want to build my own type of PartialTree , that instead of > > > > > > files shows other objects . > > > > > > > > > > > > In fact the scenario is a bit different as the objects shown in the > > > > > > tree are not a single type of object ( allthohugh I might need to > > > > > > write a single type of object enccapsulating diferentiation logic > > ... > > > > > > i don't know , still trying to get how the tree's working ) > > > > > > > > > > > > Right now i'm stuck at the FileComparator . My first baby step was > > to > > > > > > recreate Partial Tree in my app , and get it working . Got that . > > Now > > > > > > next step is to replace the File objects in the tree with something > > > > > > else that at least gets shown on the new level , and the link logic > > > > > > works ... > > > > > > > > > > > > My question here is . The compare method returns and int . I looked > > at > > > > > > the javaDocs and it looks like the method used on the file could > > > > > > return a 0 , negativev or positive int . . . > > > > > > > > > > > > What and how would I return stuff here ? ? ?? > > > > > > > > > > > > I am very confused , a simple tree with no links it's easy to get , > > > > > > but when you need something that actually has functionality ... > > > > > > > > > > > > Thanks . > > > > > > cosmin > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------- > > > > > > This SF.net email is sponsored by: Splunk Inc. Do you grep through > > log > > > > > files > > > > > > for problems? Stop! Download the new AJAX search engine that makes > > > > > > searching your log files as easy as surfing the web. DOWNLOAD > > SPLUNK! > > > > > > http://ads.osdn.com/?ad_idv37&alloc_id865&opclick > > > > > > _______________________________________________ > > > > > > Tacos-devel mailing list > > > > > > [email protected] > > > > > > > > https://lists.sourceforge.net/lists/listinfo/tacos-devel > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------- > > > This SF.net email is sponsored by: Splunk Inc. Do you grep through log > > files > > > for problems? Stop! Download the new AJAX search engine that makes > > > searching your log files as easy as surfing the web. 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