+++ /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 org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.analysis.KeywordAnalyzer;
-import org.apache.lucene.analysis.standard.StandardAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.document.SetBasedFieldSelector;
-
-import org.apache.lucene.index.FieldInvertState;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.IndexWriterConfig;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.index.IndexWriterConfig.OpenMode;
-import org.apache.lucene.queryParser.QueryParser;
-import org.apache.lucene.store.Directory;
-import java.io.IOException;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Random;
-import java.util.Set;
-
-/**
- * Tests {@link MultiSearcher} class.
- */
-public class TestMultiSearcher extends LuceneTestCase
-{
-
- /**
- * ReturnS a new instance of the concrete MultiSearcher class
- * used in this test.
- */
- protected MultiSearcher getMultiSearcherInstance(Searcher[] searchers) throws IOException {
- return new MultiSearcher(searchers);
- }
-
- public void testEmptyIndex() throws Exception {
- // creating two directories for indices
- Directory indexStoreA = newDirectory();
- Directory indexStoreB = newDirectory();
-
- // creating a document to store
- Document lDoc = new Document();
- lDoc.add(newField("fulltext", "Once upon a time.....", Field.Store.YES, Field.Index.ANALYZED));
- lDoc.add(newField("id", "doc1", Field.Store.YES, Field.Index.NOT_ANALYZED));
- lDoc.add(newField("handle", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
-
- // creating a document to store
- Document lDoc2 = new Document();
- lDoc2.add(newField("fulltext", "in a galaxy far far away.....",
- Field.Store.YES, Field.Index.ANALYZED));
- lDoc2.add(newField("id", "doc2", Field.Store.YES, Field.Index.NOT_ANALYZED));
- lDoc2.add(newField("handle", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
-
- // creating a document to store
- Document lDoc3 = new Document();
- lDoc3.add(newField("fulltext", "a bizarre bug manifested itself....",
- Field.Store.YES, Field.Index.ANALYZED));
- lDoc3.add(newField("id", "doc3", Field.Store.YES, Field.Index.NOT_ANALYZED));
- lDoc3.add(newField("handle", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
-
- // creating an index writer for the first index
- IndexWriter writerA = new IndexWriter(indexStoreA, newIndexWriterConfig(TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)));
- // creating an index writer for the second index, but writing nothing
- IndexWriter writerB = new IndexWriter(indexStoreB, newIndexWriterConfig(TEST_VERSION_CURRENT, new StandardAnalyzer(TEST_VERSION_CURRENT)));
-
- //--------------------------------------------------------------------
- // scenario 1
- //--------------------------------------------------------------------
-
- // writing the documents to the first index
- writerA.addDocument(lDoc);
- writerA.addDocument(lDoc2);
- writerA.addDocument(lDoc3);
- writerA.optimize();
- writerA.close();
-
- // closing the second index
- writerB.close();
-
- // creating the query
- QueryParser parser = new QueryParser(TEST_VERSION_CURRENT, "fulltext", new StandardAnalyzer(TEST_VERSION_CURRENT));
- Query query = parser.parse("handle:1");
-
- // building the searchables
- Searcher[] searchers = new Searcher[2];
- // VITAL STEP:adding the searcher for the empty index first, before the searcher for the populated index
- searchers[0] = new IndexSearcher(indexStoreB, true);
- searchers[1] = new IndexSearcher(indexStoreA, true);
- // creating the multiSearcher
- Searcher mSearcher = getMultiSearcherInstance(searchers);
- // performing the search
- ScoreDoc[] hits = mSearcher.search(query, null, 1000).scoreDocs;
-
- assertEquals(3, hits.length);
-
- // iterating over the hit documents
- for (int i = 0; i < hits.length; i++) {
- mSearcher.doc(hits[i].doc);
- }
- mSearcher.close();
-
-
- //--------------------------------------------------------------------
- // scenario 2
- //--------------------------------------------------------------------
-
- // adding one document to the empty index
- writerB = new IndexWriter(indexStoreB, newIndexWriterConfig(
- TEST_VERSION_CURRENT,
- new StandardAnalyzer(TEST_VERSION_CURRENT))
- .setOpenMode(OpenMode.APPEND));
- writerB.addDocument(lDoc);
- writerB.optimize();
- writerB.close();
-
- // building the searchables
- Searcher[] searchers2 = new Searcher[2];
- // VITAL STEP:adding the searcher for the empty index first, before the searcher for the populated index
- searchers2[0] = new IndexSearcher(indexStoreB, true);
- searchers2[1] = new IndexSearcher(indexStoreA, true);
- // creating the mulitSearcher
- MultiSearcher mSearcher2 = getMultiSearcherInstance(searchers2);
- // performing the same search
- ScoreDoc[] hits2 = mSearcher2.search(query, null, 1000).scoreDocs;
-
- assertEquals(4, hits2.length);
-
- // iterating over the hit documents
- for (int i = 0; i < hits2.length; i++) {
- // no exception should happen at this point
- mSearcher2.doc(hits2[i].doc);
- }
-
- // test the subSearcher() method:
- Query subSearcherQuery = parser.parse("id:doc1");
- hits2 = mSearcher2.search(subSearcherQuery, null, 1000).scoreDocs;
- assertEquals(2, hits2.length);
- assertEquals(0, mSearcher2.subSearcher(hits2[0].doc)); // hit from searchers2[0]
- assertEquals(1, mSearcher2.subSearcher(hits2[1].doc)); // hit from searchers2[1]
- subSearcherQuery = parser.parse("id:doc2");
- hits2 = mSearcher2.search(subSearcherQuery, null, 1000).scoreDocs;
- assertEquals(1, hits2.length);
- assertEquals(1, mSearcher2.subSearcher(hits2[0].doc)); // hit from searchers2[1]
- mSearcher2.close();
-
- //--------------------------------------------------------------------
- // scenario 3
- //--------------------------------------------------------------------
-
- // deleting the document just added, this will cause a different exception to take place
- Term term = new Term("id", "doc1");
- IndexReader readerB = IndexReader.open(indexStoreB, false);
- readerB.deleteDocuments(term);
- readerB.close();
-
- // optimizing the index with the writer
- writerB = new IndexWriter(indexStoreB, new IndexWriterConfig(
- TEST_VERSION_CURRENT,
- new StandardAnalyzer(TEST_VERSION_CURRENT))
- .setOpenMode(OpenMode.APPEND));
- writerB.optimize();
- writerB.close();
-
- // building the searchables
- Searcher[] searchers3 = new Searcher[2];
-
- searchers3[0] = new IndexSearcher(indexStoreB, true);
- searchers3[1] = new IndexSearcher(indexStoreA, true);
- // creating the mulitSearcher
- Searcher mSearcher3 = getMultiSearcherInstance(searchers3);
- // performing the same search
- ScoreDoc[] hits3 = mSearcher3.search(query, null, 1000).scoreDocs;
-
- assertEquals(3, hits3.length);
-
- // iterating over the hit documents
- for (int i = 0; i < hits3.length; i++) {
- mSearcher3.doc(hits3[i].doc);
- }
- mSearcher3.close();
- indexStoreA.close();
- indexStoreB.close();
- }
-
- private Document createDocument(String contents1, String contents2) {
- Document document=new Document();
-
- document.add(newField("contents", contents1, Field.Store.YES, Field.Index.NOT_ANALYZED));
- document.add(newField("other", "other contents", Field.Store.YES, Field.Index.NOT_ANALYZED));
- if (contents2!=null) {
- document.add(newField("contents", contents2, Field.Store.YES, Field.Index.NOT_ANALYZED));
- }
-
- return document;
- }
-
- private void initIndex(Random random, Directory directory, int nDocs, boolean create, String contents2) throws IOException {
- IndexWriter indexWriter=null;
-
- try {
- indexWriter = new IndexWriter(directory, LuceneTestCase.newIndexWriterConfig(random,
- TEST_VERSION_CURRENT, new KeywordAnalyzer()).setOpenMode(
- create ? OpenMode.CREATE : OpenMode.APPEND));
-
- for (int i=0; i<nDocs; i++) {
- indexWriter.addDocument(createDocument("doc" + i, contents2));
- }
- } finally {
- if (indexWriter!=null) {
- indexWriter.close();
- }
- }
- }
-
- public void testFieldSelector() throws Exception {
- Directory ramDirectory1, ramDirectory2;
- IndexSearcher indexSearcher1, indexSearcher2;
-
- ramDirectory1 = newDirectory();
- ramDirectory2 = newDirectory();
- Query query = new TermQuery(new Term("contents", "doc0"));
-
- // Now put the documents in a different index
- initIndex(random, ramDirectory1, 10, true, null); // documents with a single token "doc0", "doc1", etc...
- initIndex(random, ramDirectory2, 10, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
-
- indexSearcher1 = new IndexSearcher(ramDirectory1, true);
- indexSearcher2 = new IndexSearcher(ramDirectory2, true);
-
- MultiSearcher searcher = getMultiSearcherInstance(new Searcher[]{indexSearcher1, indexSearcher2});
- assertTrue("searcher is null and it shouldn't be", searcher != null);
- ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
- assertTrue("hits is null and it shouldn't be", hits != null);
- assertTrue(hits.length + " does not equal: " + 2, hits.length == 2);
- Document document = searcher.doc(hits[0].doc);
- assertTrue("document is null and it shouldn't be", document != null);
- assertTrue("document.getFields() Size: " + document.getFields().size() + " is not: " + 2, document.getFields().size() == 2);
- //Should be one document from each directory
- //they both have two fields, contents and other
- Set<String> ftl = new HashSet<String>();
- ftl.add("other");
- SetBasedFieldSelector fs = new SetBasedFieldSelector(ftl, Collections. <String> emptySet());
- document = searcher.doc(hits[0].doc, fs);
- assertTrue("document is null and it shouldn't be", document != null);
- assertTrue("document.getFields() Size: " + document.getFields().size() + " is not: " + 1, document.getFields().size() == 1);
- String value = document.get("contents");
- assertTrue("value is not null and it should be", value == null);
- value = document.get("other");
- assertTrue("value is null and it shouldn't be", value != null);
- ftl.clear();
- ftl.add("contents");
- fs = new SetBasedFieldSelector(ftl, Collections. <String> emptySet());
- document = searcher.doc(hits[1].doc, fs);
- value = document.get("contents");
- assertTrue("value is null and it shouldn't be", value != null);
- value = document.get("other");
- assertTrue("value is not null and it should be", value == null);
- indexSearcher1.close();
- indexSearcher2.close();
- ramDirectory1.close();
- ramDirectory2.close();
- searcher.close();
- }
-
- /* uncomment this when the highest score is always normalized to 1.0, even when it was < 1.0
- public void testNormalization1() throws IOException {
- testNormalization(1, "Using 1 document per index:");
- }
- */
-
- public void testNormalization10() throws IOException {
- testNormalization(10, "Using 10 documents per index:");
- }
-
- private void testNormalization(int nDocs, String message) throws IOException {
- Query query=new TermQuery(new Term("contents", "doc0"));
-
- Directory ramDirectory1;
- IndexSearcher indexSearcher1;
- ScoreDoc[] hits;
-
- ramDirectory1=newDirectory();
-
- // First put the documents in the same index
- initIndex(random, ramDirectory1, nDocs, true, null); // documents with a single token "doc0", "doc1", etc...
- initIndex(random, ramDirectory1, nDocs, false, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
-
- indexSearcher1=new IndexSearcher(ramDirectory1, true);
- indexSearcher1.setDefaultFieldSortScoring(true, true);
-
- hits=indexSearcher1.search(query, null, 1000).scoreDocs;
-
- assertEquals(message, 2, hits.length);
-
- // Store the scores for use later
- float[] scores={ hits[0].score, hits[1].score };
-
- assertTrue(message, scores[0] > scores[1]);
-
- indexSearcher1.close();
- ramDirectory1.close();
- hits=null;
-
-
-
- Directory ramDirectory2;
- IndexSearcher indexSearcher2;
-
- ramDirectory1=newDirectory();
- ramDirectory2=newDirectory();
-
- // Now put the documents in a different index
- initIndex(random, ramDirectory1, nDocs, true, null); // documents with a single token "doc0", "doc1", etc...
- initIndex(random, ramDirectory2, nDocs, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
-
- indexSearcher1=new IndexSearcher(ramDirectory1, true);
- indexSearcher1.setDefaultFieldSortScoring(true, true);
- indexSearcher2=new IndexSearcher(ramDirectory2, true);
- indexSearcher2.setDefaultFieldSortScoring(true, true);
-
- Searcher searcher=getMultiSearcherInstance(new Searcher[] { indexSearcher1, indexSearcher2 });
-
- hits=searcher.search(query, null, 1000).scoreDocs;
-
- assertEquals(message, 2, hits.length);
-
- // The scores should be the same (within reason)
- assertEquals(message, scores[0], hits[0].score, 1e-6); // This will a document from ramDirectory1
- assertEquals(message, scores[1], hits[1].score, 1e-6); // This will a document from ramDirectory2
-
-
-
- // Adding a Sort.RELEVANCE object should not change anything
- hits=searcher.search(query, null, 1000, Sort.RELEVANCE).scoreDocs;
-
- assertEquals(message, 2, hits.length);
-
- assertEquals(message, scores[0], hits[0].score, 1e-6); // This will a document from ramDirectory1
- assertEquals(message, scores[1], hits[1].score, 1e-6); // This will a document from ramDirectory2
-
- searcher.close();
-
- ramDirectory1.close();
- ramDirectory2.close();
- }
-
- /**
- * test that custom similarity is in effect when using MultiSearcher (LUCENE-789).
- * @throws IOException
- */
- public void testCustomSimilarity () throws IOException {
- Directory dir = newDirectory();
- initIndex(random, dir, 10, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
- IndexSearcher srchr = new IndexSearcher(dir, true);
- MultiSearcher msrchr = getMultiSearcherInstance(new Searcher[]{srchr});
-
- Similarity customSimilarity = new DefaultSimilarity() {
- // overide all
- @Override
- public float idf(int docFreq, int numDocs) { return 100.0f; }
- @Override
- public float coord(int overlap, int maxOverlap) { return 1.0f; }
- @Override
- public float computeNorm(String fieldName, FieldInvertState state) { return state.getBoost(); }
- @Override
- public float queryNorm(float sumOfSquaredWeights) { return 1.0f; }
- @Override
- public float sloppyFreq(int distance) { return 1.0f; }
- @Override
- public float tf(float freq) { return 1.0f; }
- };
-
- srchr.setSimilarity(customSimilarity);
- msrchr.setSimilarity(customSimilarity);
-
- Query query=new TermQuery(new Term("contents", "doc0"));
-
- // Get a score from IndexSearcher
- TopDocs topDocs = srchr.search(query, null, 1);
- float score1 = topDocs.getMaxScore();
-
- // Get the score from MultiSearcher
- topDocs = msrchr.search(query, null, 1);
- float scoreN = topDocs.getMaxScore();
-
- // The scores from the IndexSearcher and Multisearcher should be the same
- // if the same similarity is used.
- assertEquals("MultiSearcher score must be equal to single searcher score!", score1, scoreN, 1e-6);
- msrchr.close();
- srchr.close();
- dir.close();
- }
-
- public void testDocFreq() throws IOException{
- Directory dir1 = newDirectory();
- Directory dir2 = newDirectory();
-
- initIndex(random, dir1, 10, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
- initIndex(random, dir2, 5, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
- IndexSearcher searcher1 = new IndexSearcher(dir1, true);
- IndexSearcher searcher2 = new IndexSearcher(dir2, true);
-
- MultiSearcher multiSearcher = getMultiSearcherInstance(new Searcher[]{searcher1, searcher2});
- assertEquals(15, multiSearcher.docFreq(new Term("contents","x")));
- multiSearcher.close();
- searcher1.close();
- searcher2.close();
- dir1.close();
- dir2.close();
- }
-
- public void testCreateDocFrequencyMap() throws IOException{
- Directory dir1 = newDirectory();
- Directory dir2 = newDirectory();
- Term template = new Term("contents") ;
- String[] contents = {"a", "b", "c"};
- HashSet<Term> termsSet = new HashSet<Term>();
- for (int i = 0; i < contents.length; i++) {
- initIndex(random, dir1, i+10, i==0, contents[i]);
- initIndex(random, dir2, i+5, i==0, contents[i]);
- termsSet.add(template.createTerm(contents[i]));
- }
- IndexSearcher searcher1 = new IndexSearcher(dir1, true);
- IndexSearcher searcher2 = new IndexSearcher(dir2, true);
- MultiSearcher multiSearcher = getMultiSearcherInstance(new Searcher[]{searcher1, searcher2});
- Map<Term,Integer> docFrequencyMap = multiSearcher.createDocFrequencyMap(termsSet);
- assertEquals(3, docFrequencyMap.size());
- for (int i = 0; i < contents.length; i++) {
- assertEquals(Integer.valueOf((i*2) +15), docFrequencyMap.get(template.createTerm(contents[i])));
- }
- multiSearcher.close();
- searcher1.close();
- searcher2.close();
- dir1.close();
- dir2.close();
- }
-}
fnp / pylucene.git / blobdiff