Wow Mark, quite the hint. Thanks so much. Spencer
-----Original Message----- From: Mark Miller [mailto:[EMAIL PROTECTED] Sent: August 14, 2007 12:07 PM To: java-user@lucene.apache.org Subject: Re: MultiSearcher with mulitple filter Here is a hint: package org.apache.lucene.search; import java.io.IOException; /** * Implements search over a set of <code>Searchables</code> using multiple filters. */ public class MultiFilterMultiSearcher extends MultiSearcher { public MultiFilterMultiSearcher(Searchable[] searchables) throws IOException { super(searchables); } /** * Pass filter for Searchable[i] as filter[i]. */ public TopDocs search(Weight weight, Filter[] filters, int nDocs) throws IOException { HitQueue hq = new HitQueue(nDocs); int totalHits = 0; int[] starts = getStarts(); Searchable[] searchables = getSearchables(); for (int i = 0; i < searchables.length; i++) { // search each searcher TopDocs docs = searchables[i].search(weight, filters[i], nDocs); totalHits += docs.totalHits; // update totalHits ScoreDoc[] scoreDocs = docs.scoreDocs; for (int j = 0; j < scoreDocs.length; j++) { // merge scoreDocs into hq ScoreDoc scoreDoc = scoreDocs[j]; scoreDoc.doc += starts[i]; // convert doc if (!hq.insert(scoreDoc)) { break; // no more scores > minScore } } } ScoreDoc[] scoreDocs = new ScoreDoc[hq.size()]; for (int i = hq.size() - 1; i >= 0; i--) // put docs in array scoreDocs[i] = (ScoreDoc) hq.pop(); float maxScore = (totalHits == 0) ? Float.NEGATIVE_INFINITY : scoreDocs[0].score; return new TopDocs(totalHits, scoreDocs, maxScore); } public TopFieldDocs search(Weight weight , Filter[] filters, int n, Sort sort) throws IOException { FieldDocSortedHitQueue hq = null; int totalHits = 0; float maxScore = Float.NEGATIVE_INFINITY; int[] starts = getStarts(); Searchable[] searchables = getSearchables(); for (int i = 0; i < searchables.length; i++) { // search each searcher TopFieldDocs docs = searchables[i].search(weight, filters[i], n, sort); if (hq == null) { hq = new FieldDocSortedHitQueue(docs.fields, n); } totalHits += docs.totalHits; // update totalHits maxScore = Math.max(maxScore, docs.getMaxScore()); ScoreDoc[] scoreDocs = docs.scoreDocs; for (int j = 0; j < scoreDocs.length; j++) { // merge scoreDocs into hq ScoreDoc scoreDoc = scoreDocs[j]; scoreDoc.doc += starts[i]; // convert doc if (!hq.insert(scoreDoc)) { break; // no more scores > minScore } } } ScoreDoc[] scoreDocs = new ScoreDoc[hq.size()]; for (int i = hq.size() - 1; i >= 0; i--) // put docs in array scoreDocs[i] = (ScoreDoc) hq.pop(); return new TopFieldDocs(totalHits, scoreDocs, hq.getFields(), maxScore); } } - Mark Spencer Tickner wrote: > Hi List, > > > > Thanks in advance for the help. I can't wrap my head around the > MultiSearcher. I need to search across multiple indexes, but also need to > filter documents from users based on Access. The problem seems to be that > MultiSearcher takes in 1 filter, however my filter varies from one index to > another. Any advice on implementing this would be a huge help. > > > > Thanks, > > > > Spencer > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
