--- /dev/null
+package org.apache.lucene.index;
+
+/**
+ * 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.Arrays;
+import java.util.Collection;
+import java.util.Random;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.MapFieldSelector;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.BooleanClause.Occur;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestParallelReader extends LuceneTestCase {
+
+ private IndexSearcher parallel;
+ private IndexSearcher single;
+ private Directory dir, dir1, dir2;
+
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ single = single(random);
+ parallel = parallel(random);
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ single.getIndexReader().close();
+ single.close();
+ parallel.getIndexReader().close();
+ parallel.close();
+ dir.close();
+ dir1.close();
+ dir2.close();
+ super.tearDown();
+ }
+
+ public void testQueries() throws Exception {
+ queryTest(new TermQuery(new Term("f1", "v1")));
+ queryTest(new TermQuery(new Term("f1", "v2")));
+ queryTest(new TermQuery(new Term("f2", "v1")));
+ queryTest(new TermQuery(new Term("f2", "v2")));
+ queryTest(new TermQuery(new Term("f3", "v1")));
+ queryTest(new TermQuery(new Term("f3", "v2")));
+ queryTest(new TermQuery(new Term("f4", "v1")));
+ queryTest(new TermQuery(new Term("f4", "v2")));
+
+ BooleanQuery bq1 = new BooleanQuery();
+ bq1.add(new TermQuery(new Term("f1", "v1")), Occur.MUST);
+ bq1.add(new TermQuery(new Term("f4", "v1")), Occur.MUST);
+ queryTest(bq1);
+ }
+
+ public void testFieldNames() throws Exception {
+ Directory dir1 = getDir1(random);
+ Directory dir2 = getDir2(random);
+ ParallelReader pr = new ParallelReader();
+ pr.add(IndexReader.open(dir1, false));
+ pr.add(IndexReader.open(dir2, false));
+ Collection<String> fieldNames = pr.getFieldNames(IndexReader.FieldOption.ALL);
+ assertEquals(4, fieldNames.size());
+ assertTrue(fieldNames.contains("f1"));
+ assertTrue(fieldNames.contains("f2"));
+ assertTrue(fieldNames.contains("f3"));
+ assertTrue(fieldNames.contains("f4"));
+ pr.close();
+ dir1.close();
+ dir2.close();
+ }
+
+ public void testDocument() throws IOException {
+ Directory dir1 = getDir1(random);
+ Directory dir2 = getDir2(random);
+ ParallelReader pr = new ParallelReader();
+ pr.add(IndexReader.open(dir1, false));
+ pr.add(IndexReader.open(dir2, false));
+
+ Document doc11 = pr.document(0, new MapFieldSelector(new String[] {"f1"}));
+ Document doc24 = pr.document(1, new MapFieldSelector(Arrays.asList(new String[] {"f4"})));
+ Document doc223 = pr.document(1, new MapFieldSelector(new String[] {"f2", "f3"}));
+
+ assertEquals(1, doc11.getFields().size());
+ assertEquals(1, doc24.getFields().size());
+ assertEquals(2, doc223.getFields().size());
+
+ assertEquals("v1", doc11.get("f1"));
+ assertEquals("v2", doc24.get("f4"));
+ assertEquals("v2", doc223.get("f2"));
+ assertEquals("v2", doc223.get("f3"));
+ pr.close();
+ dir1.close();
+ dir2.close();
+ }
+
+ public void testIncompatibleIndexes() throws IOException {
+ // two documents:
+ Directory dir1 = getDir1(random);
+
+ // one document only:
+ Directory dir2 = newDirectory();
+ IndexWriter w2 = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+ Document d3 = new Document();
+ d3.add(newField("f3", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ w2.addDocument(d3);
+ w2.close();
+
+ ParallelReader pr = new ParallelReader();
+ pr.add(IndexReader.open(dir1, false));
+ IndexReader ir = IndexReader.open(dir2, false);
+ try {
+ pr.add(ir);
+ fail("didn't get exptected exception: indexes don't have same number of documents");
+ } catch (IllegalArgumentException e) {
+ // expected exception
+ }
+ pr.close();
+ ir.close();
+ dir1.close();
+ dir2.close();
+ }
+
+ public void testIsCurrent() throws IOException {
+ Directory dir1 = getDir1(random);
+ Directory dir2 = getDir2(random);
+ ParallelReader pr = new ParallelReader();
+ pr.add(IndexReader.open(dir1, false));
+ pr.add(IndexReader.open(dir2, false));
+
+ assertTrue(pr.isCurrent());
+ IndexReader modifier = IndexReader.open(dir1, false);
+ modifier.setNorm(0, "f1", 100);
+ modifier.close();
+
+ // one of the two IndexReaders which ParallelReader is using
+ // is not current anymore
+ assertFalse(pr.isCurrent());
+
+ modifier = IndexReader.open(dir2, false);
+ modifier.setNorm(0, "f3", 100);
+ modifier.close();
+
+ // now both are not current anymore
+ assertFalse(pr.isCurrent());
+ pr.close();
+ dir1.close();
+ dir2.close();
+ }
+
+ public void testAllTermDocs() throws IOException {
+ Directory dir1 = getDir1(random);
+ Directory dir2 = getDir2(random);
+ ParallelReader pr = new ParallelReader();
+ pr.add(IndexReader.open(dir1, false));
+ pr.add(IndexReader.open(dir2, false));
+ int NUM_DOCS = 2;
+ TermDocs td = pr.termDocs(null);
+ for(int i=0;i<NUM_DOCS;i++) {
+ assertTrue(td.next());
+ assertEquals(i, td.doc());
+ assertEquals(1, td.freq());
+ }
+ td.close();
+ pr.close();
+ dir1.close();
+ dir2.close();
+ }
+
+
+ private void queryTest(Query query) throws IOException {
+ ScoreDoc[] parallelHits = parallel.search(query, null, 1000).scoreDocs;
+ ScoreDoc[] singleHits = single.search(query, null, 1000).scoreDocs;
+ assertEquals(parallelHits.length, singleHits.length);
+ for(int i = 0; i < parallelHits.length; i++) {
+ assertEquals(parallelHits[i].score, singleHits[i].score, 0.001f);
+ Document docParallel = parallel.doc(parallelHits[i].doc);
+ Document docSingle = single.doc(singleHits[i].doc);
+ assertEquals(docParallel.get("f1"), docSingle.get("f1"));
+ assertEquals(docParallel.get("f2"), docSingle.get("f2"));
+ assertEquals(docParallel.get("f3"), docSingle.get("f3"));
+ assertEquals(docParallel.get("f4"), docSingle.get("f4"));
+ }
+ }
+
+ // Fields 1-4 indexed together:
+ private IndexSearcher single(Random random) throws IOException {
+ dir = newDirectory();
+ IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+ Document d1 = new Document();
+ d1.add(newField("f1", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ d1.add(newField("f2", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ d1.add(newField("f3", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ d1.add(newField("f4", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ w.addDocument(d1);
+ Document d2 = new Document();
+ d2.add(newField("f1", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ d2.add(newField("f2", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ d2.add(newField("f3", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ d2.add(newField("f4", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ w.addDocument(d2);
+ w.close();
+
+ return new IndexSearcher(dir, false);
+ }
+
+ // Fields 1 & 2 in one index, 3 & 4 in other, with ParallelReader:
+ private IndexSearcher parallel(Random random) throws IOException {
+ dir1 = getDir1(random);
+ dir2 = getDir2(random);
+ ParallelReader pr = new ParallelReader();
+ pr.add(IndexReader.open(dir1, false));
+ pr.add(IndexReader.open(dir2, false));
+ return newSearcher(pr);
+ }
+
+ private Directory getDir1(Random random) throws IOException {
+ Directory dir1 = newDirectory();
+ IndexWriter w1 = new IndexWriter(dir1, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+ Document d1 = new Document();
+ d1.add(newField("f1", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ d1.add(newField("f2", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ w1.addDocument(d1);
+ Document d2 = new Document();
+ d2.add(newField("f1", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ d2.add(newField("f2", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ w1.addDocument(d2);
+ w1.close();
+ return dir1;
+ }
+
+ private Directory getDir2(Random random) throws IOException {
+ Directory dir2 = newDirectory();
+ IndexWriter w2 = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+ Document d3 = new Document();
+ d3.add(newField("f3", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ d3.add(newField("f4", "v1", Field.Store.YES, Field.Index.ANALYZED));
+ w2.addDocument(d3);
+ Document d4 = new Document();
+ d4.add(newField("f3", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ d4.add(newField("f4", "v2", Field.Store.YES, Field.Index.ANALYZED));
+ w2.addDocument(d4);
+ w2.close();
+ return dir2;
+ }
+
+}
fnp / pylucene.git / blobdiff