+++ /dev/null
-package org.apache.lucene.search;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.document.NumericField;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.ReaderUtil;
-import org.apache.lucene.util._TestUtil;
-
-public class TestTopDocsMerge extends LuceneTestCase {
-
- private static class ShardSearcher {
- private final IndexSearcher subSearcher;
-
- public ShardSearcher(IndexReader subReader) {
- this.subSearcher = new IndexSearcher(subReader);
- }
-
- public void search(Weight weight, Collector collector) throws IOException {
- subSearcher.search(weight, null, collector);
- }
-
- public TopDocs search(Weight weight, int topN) throws IOException {
- return subSearcher.search(weight, null, topN);
- }
-
- @Override
- public String toString() {
- return "ShardSearcher(" + subSearcher + ")";
- }
- }
-
- public void testSort() throws Exception {
-
- IndexReader reader = null;
- Directory dir = null;
-
- final int numDocs = atLeast(1000);
- //final int numDocs = atLeast(50);
-
- final String[] tokens = new String[] {"a", "b", "c", "d", "e"};
-
- if (VERBOSE) {
- System.out.println("TEST: make index");
- }
-
- {
- dir = newDirectory();
- final RandomIndexWriter w = new RandomIndexWriter(random, dir);
- // w.setDoRandomOptimize(false);
-
- // w.w.getConfig().setMaxBufferedDocs(atLeast(100));
-
- final String[] content = new String[atLeast(20)];
-
- for(int contentIDX=0;contentIDX<content.length;contentIDX++) {
- final StringBuilder sb = new StringBuilder();
- final int numTokens = _TestUtil.nextInt(random, 1, 10);
- for(int tokenIDX=0;tokenIDX<numTokens;tokenIDX++) {
- sb.append(tokens[random.nextInt(tokens.length)]).append(' ');
- }
- content[contentIDX] = sb.toString();
- }
-
- for(int docIDX=0;docIDX<numDocs;docIDX++) {
- final Document doc = new Document();
- doc.add(newField("string", _TestUtil.randomRealisticUnicodeString(random), Field.Index.NOT_ANALYZED));
- doc.add(newField("text", content[random.nextInt(content.length)], Field.Index.ANALYZED));
- doc.add(new NumericField("float").setFloatValue(random.nextFloat()));
- final int intValue;
- if (random.nextInt(100) == 17) {
- intValue = Integer.MIN_VALUE;
- } else if (random.nextInt(100) == 17) {
- intValue = Integer.MAX_VALUE;
- } else {
- intValue = random.nextInt();
- }
- doc.add(new NumericField("int").setIntValue(intValue));
- if (VERBOSE) {
- System.out.println(" doc=" + doc);
- }
- w.addDocument(doc);
- }
-
- reader = w.getReader();
- w.close();
- }
-
- // NOTE: sometimes reader has just one segment, which is
- // important to test
- final IndexSearcher searcher = newSearcher(reader);
- IndexReader[] subReaders = searcher.getIndexReader().getSequentialSubReaders();
- if (subReaders == null) {
- subReaders = new IndexReader[] {searcher.getIndexReader()};
- }
- final ShardSearcher[] subSearchers = new ShardSearcher[subReaders.length];
-
- for(int searcherIDX=0;searcherIDX<subSearchers.length;searcherIDX++) {
- subSearchers[searcherIDX] = new ShardSearcher(subReaders[searcherIDX]);
- }
-
- final List<SortField> sortFields = new ArrayList<SortField>();
- sortFields.add(new SortField("string", SortField.STRING, true));
- sortFields.add(new SortField("string", SortField.STRING, false));
- sortFields.add(new SortField("int", SortField.INT, true));
- sortFields.add(new SortField("int", SortField.INT, false));
- sortFields.add(new SortField("float", SortField.FLOAT, true));
- sortFields.add(new SortField("float", SortField.FLOAT, false));
- sortFields.add(new SortField(null, SortField.SCORE, true));
- sortFields.add(new SortField(null, SortField.SCORE, false));
- sortFields.add(new SortField(null, SortField.DOC, true));
- sortFields.add(new SortField(null, SortField.DOC, false));
-
- final int[] docStarts = new int[subSearchers.length];
- int docBase = 0;
- for(int subIDX=0;subIDX<docStarts.length;subIDX++) {
- docStarts[subIDX] = docBase;
- docBase += subReaders[subIDX].maxDoc();
- if (VERBOSE) {
- System.out.println("docStarts[" + subIDX + "]=" + docStarts[subIDX]);
- }
- }
-
- for(int iter=0;iter<1000*RANDOM_MULTIPLIER;iter++) {
-
- // TODO: custom FieldComp...
- final Query query = new TermQuery(new Term("text", tokens[random.nextInt(tokens.length)]));
-
- final Sort sort;
- if (random.nextInt(10) == 4) {
- // Sort by score
- sort = null;
- } else {
- final SortField[] randomSortFields = new SortField[_TestUtil.nextInt(random, 1, 3)];
- for(int sortIDX=0;sortIDX<randomSortFields.length;sortIDX++) {
- randomSortFields[sortIDX] = sortFields.get(random.nextInt(sortFields.size()));
- }
- sort = new Sort(randomSortFields);
- }
-
- final int numHits = _TestUtil.nextInt(random, 1, numDocs+5);
- //final int numHits = 5;
-
- if (VERBOSE) {
- System.out.println("TEST: search query=" + query + " sort=" + sort + " numHits=" + numHits);
- }
-
- // First search on whole index:
- final TopDocs topHits;
- if (sort == null) {
- topHits = searcher.search(query, numHits);
- } else {
- final TopFieldCollector c = TopFieldCollector.create(sort, numHits, true, true, true, random.nextBoolean());
- searcher.search(query, c);
- topHits = c.topDocs(0, numHits);
- }
-
- if (VERBOSE) {
- System.out.println(" top search: " + topHits.totalHits + " totalHits; hits=" + (topHits.scoreDocs == null ? "null" : topHits.scoreDocs.length));
- if (topHits.scoreDocs != null) {
- for(int hitIDX=0;hitIDX<topHits.scoreDocs.length;hitIDX++) {
- final ScoreDoc sd = topHits.scoreDocs[hitIDX];
- System.out.println(" doc=" + sd.doc + " score=" + sd.score);
- }
- }
- }
-
- // ... then all shards:
- final Weight w = searcher.createNormalizedWeight(query);
-
- final TopDocs[] shardHits = new TopDocs[subSearchers.length];
- for(int shardIDX=0;shardIDX<subSearchers.length;shardIDX++) {
- final TopDocs subHits;
- final ShardSearcher subSearcher = subSearchers[shardIDX];
- if (sort == null) {
- subHits = subSearcher.search(w, numHits);
- } else {
- final TopFieldCollector c = TopFieldCollector.create(sort, numHits, true, true, true, random.nextBoolean());
- subSearcher.search(w, c);
- subHits = c.topDocs(0, numHits);
- }
- rebaseDocIDs(docStarts[shardIDX], subHits);
-
- shardHits[shardIDX] = subHits;
- if (VERBOSE) {
- System.out.println(" shard=" + shardIDX + " " + subHits.totalHits + " totalHits hits=" + (subHits.scoreDocs == null ? "null" : subHits.scoreDocs.length));
- if (subHits.scoreDocs != null) {
- for(ScoreDoc sd : subHits.scoreDocs) {
- System.out.println(" doc=" + sd.doc + " score=" + sd.score);
- }
- }
- }
- }
-
- // Merge:
- final TopDocs mergedHits = TopDocs.merge(sort, numHits, shardHits);
-
- if (VERBOSE) {
- System.out.println(" mergedHits: " + mergedHits.totalHits + " totalHits; hits=" + (mergedHits.scoreDocs == null ? "null" : mergedHits.scoreDocs.length));
- if (mergedHits.scoreDocs != null) {
- for(int hitIDX=0;hitIDX<mergedHits.scoreDocs.length;hitIDX++) {
- final ScoreDoc sd = mergedHits.scoreDocs[hitIDX];
- System.out.println(" doc=" + sd.doc + " score=" + sd.score);
- }
- }
- }
- if (mergedHits.scoreDocs != null) {
- // Make sure the returned shards are correct:
- for(int hitIDX=0;hitIDX<mergedHits.scoreDocs.length;hitIDX++) {
- final ScoreDoc sd = mergedHits.scoreDocs[hitIDX];
- assertEquals("doc=" + sd.doc + " wrong shard",
- ReaderUtil.subIndex(sd.doc, docStarts),
- sd.shardIndex);
- }
- }
-
- _TestUtil.assertEquals(topHits, mergedHits);
- }
- searcher.close();
- reader.close();
- dir.close();
- }
-
- private void rebaseDocIDs(int docBase, TopDocs hits) {
- List<Integer> docFieldLocs = new ArrayList<Integer>();
- if (hits instanceof TopFieldDocs) {
- TopFieldDocs fieldHits = (TopFieldDocs) hits;
- for(int fieldIDX=0;fieldIDX<fieldHits.fields.length;fieldIDX++) {
- if (fieldHits.fields[fieldIDX].getType() == SortField.DOC) {
- docFieldLocs.add(fieldIDX);
- }
- }
- }
-
- for(int hitIDX=0;hitIDX<hits.scoreDocs.length;hitIDX++) {
- final ScoreDoc sd = hits.scoreDocs[hitIDX];
- sd.doc += docBase;
- if (sd instanceof FieldDoc) {
- final FieldDoc fd = (FieldDoc) sd;
- if (fd.fields != null) {
- for(int idx : docFieldLocs) {
- fd.fields[idx] = Integer.valueOf(((Integer) fd.fields[idx]).intValue() + docBase);
- }
- }
- }
- }
- }
-}
fnp / pylucene.git / blobdiff