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Matthew Toseland a ?crit :
> On Wednesday 13 August 2008 12:44, Ian Clarke wrote:
>> On Sun, Aug 10, 2008 at 12:44 PM, <batosai at freenetproject.org> wrote:
>>> public Identity getIdentityByURI(FreenetURI uri) {
>>>
>>> + String searched = uri.toString().substring(0,
> uri.toString().indexOf("/"));
>>> Identity identity = null;
>>>
>>> // This is ugly, I could not find a request able to find
> the good identity
>>> ObjectSet<Identity> search =
> db.queryByExample(Identity.class);
>>> while (search.hasNext()) {
>>> Identity id = search.next();
>>> -
> if(id.getRequestURI().getRoutingKey().equals(uri.getRoutingKey())) {
>>> + String found =
> id.getRequestURI().toString().substring(0,
> id.getRequestURI().toString().indexOf("/"));
>>> + if(found.equals(searched)) {
>>> identity = id;
>>> break;
>>> }
>> Ouch, this could be extremely inefficient, how many Identity objects
>> is this going to search through? Isn't there some way to do this that
>> will allow db4o to use an index?
>
> The best way I have found is to make a string member and then search for that.
>
> Most obvious ways of doing this result in db4o instantiating every object
> itself in order to compare...
Done in #21783
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