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Michael Busch commented on LUCENE-1290: --------------------------------------- {quote} The HitCollerctor and Iterator approach only supports forward displaying of results. {quote} Even if you want to show results 100-200, then you still need to sort at least 200 results, also Hits needs to, it doesn't do any magic. Then you can as well keep the ScoreDoc[] array to page back. Please take a look at the patch and the new demo code, that will help you understand how Hits and TopDocCollector/TopDocs (which is called from Hits) work. {quote} The HitCollector callback is called in index order (or in any other, non-deterministic order), whereas the results in Hits are sorted (by relevance or any given Sort order). {quote} Hits uses TopDocCollector/TopDocs for sorting. The same can be achieved using those APIs, which Searcher offers, directly. Please take a look at the patch. I replaced a lot of usages of Hits in the test cases with the TopDocs APIs. In most cases this was a one line change. > Deprecate Hits > -------------- > > Key: LUCENE-1290 > URL: https://issues.apache.org/jira/browse/LUCENE-1290 > Project: Lucene - Java > Issue Type: Task > Components: Search > Reporter: Michael Busch > Assignee: Michael Busch > Priority: Minor > Fix For: 2.4 > > Attachments: lucene-1290.patch, lucene-1290.patch > > > The Hits class has several drawbacks as pointed out in LUCENE-954. > The other search APIs that use TopDocCollector and TopDocs should be used > instead. > This patch: > - deprecates org/apache/lucene/search/Hits, Hit, and HitIterator, as well as > the Searcher.search( * ) methods which return a Hits Object. > - removes all references to Hits from the core and uses TopDocs and ScoreDoc > instead > - Changes the demo SearchFiles: adds the two modes 'paging search' and > 'streaming search', > each of which demonstrating a different way of using the search APIs. The > former > uses TopDocs and a TopDocCollector, the latter a custom HitCollector > implementation. > - Updates the online tutorial that descibes the demo. > All tests pass. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]