1 package org.apache.lucene.index;
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20 import java.io.IOException;
21 import java.util.Arrays;
22 import java.util.Collection;
23 import java.util.Random;
25 import org.apache.lucene.analysis.MockAnalyzer;
26 import org.apache.lucene.document.Document;
27 import org.apache.lucene.document.Field;
28 import org.apache.lucene.document.MapFieldSelector;
29 import org.apache.lucene.search.BooleanQuery;
30 import org.apache.lucene.search.IndexSearcher;
31 import org.apache.lucene.search.Query;
32 import org.apache.lucene.search.ScoreDoc;
33 import org.apache.lucene.search.TermQuery;
34 import org.apache.lucene.search.BooleanClause.Occur;
35 import org.apache.lucene.store.Directory;
36 import org.apache.lucene.util.LuceneTestCase;
38 public class TestParallelReader extends LuceneTestCase {
40 private IndexSearcher parallel;
41 private IndexSearcher single;
42 private Directory dir, dir1, dir2;
45 public void setUp() throws Exception {
47 single = single(random);
48 parallel = parallel(random);
52 public void tearDown() throws Exception {
53 single.getIndexReader().close();
55 parallel.getIndexReader().close();
63 public void testQueries() throws Exception {
64 queryTest(new TermQuery(new Term("f1", "v1")));
65 queryTest(new TermQuery(new Term("f1", "v2")));
66 queryTest(new TermQuery(new Term("f2", "v1")));
67 queryTest(new TermQuery(new Term("f2", "v2")));
68 queryTest(new TermQuery(new Term("f3", "v1")));
69 queryTest(new TermQuery(new Term("f3", "v2")));
70 queryTest(new TermQuery(new Term("f4", "v1")));
71 queryTest(new TermQuery(new Term("f4", "v2")));
73 BooleanQuery bq1 = new BooleanQuery();
74 bq1.add(new TermQuery(new Term("f1", "v1")), Occur.MUST);
75 bq1.add(new TermQuery(new Term("f4", "v1")), Occur.MUST);
79 public void testFieldNames() throws Exception {
80 Directory dir1 = getDir1(random);
81 Directory dir2 = getDir2(random);
82 ParallelReader pr = new ParallelReader();
83 pr.add(IndexReader.open(dir1, false));
84 pr.add(IndexReader.open(dir2, false));
85 Collection<String> fieldNames = pr.getFieldNames(IndexReader.FieldOption.ALL);
86 assertEquals(4, fieldNames.size());
87 assertTrue(fieldNames.contains("f1"));
88 assertTrue(fieldNames.contains("f2"));
89 assertTrue(fieldNames.contains("f3"));
90 assertTrue(fieldNames.contains("f4"));
96 public void testDocument() throws IOException {
97 Directory dir1 = getDir1(random);
98 Directory dir2 = getDir2(random);
99 ParallelReader pr = new ParallelReader();
100 pr.add(IndexReader.open(dir1, false));
101 pr.add(IndexReader.open(dir2, false));
103 Document doc11 = pr.document(0, new MapFieldSelector(new String[] {"f1"}));
104 Document doc24 = pr.document(1, new MapFieldSelector(Arrays.asList(new String[] {"f4"})));
105 Document doc223 = pr.document(1, new MapFieldSelector(new String[] {"f2", "f3"}));
107 assertEquals(1, doc11.getFields().size());
108 assertEquals(1, doc24.getFields().size());
109 assertEquals(2, doc223.getFields().size());
111 assertEquals("v1", doc11.get("f1"));
112 assertEquals("v2", doc24.get("f4"));
113 assertEquals("v2", doc223.get("f2"));
114 assertEquals("v2", doc223.get("f3"));
120 public void testIncompatibleIndexes() throws IOException {
122 Directory dir1 = getDir1(random);
124 // one document only:
125 Directory dir2 = newDirectory();
126 IndexWriter w2 = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
127 Document d3 = new Document();
128 d3.add(newField("f3", "v1", Field.Store.YES, Field.Index.ANALYZED));
132 ParallelReader pr = new ParallelReader();
133 pr.add(IndexReader.open(dir1, false));
134 IndexReader ir = IndexReader.open(dir2, false);
137 fail("didn't get exptected exception: indexes don't have same number of documents");
138 } catch (IllegalArgumentException e) {
139 // expected exception
147 public void testIsCurrent() throws IOException {
148 Directory dir1 = getDir1(random);
149 Directory dir2 = getDir2(random);
150 ParallelReader pr = new ParallelReader();
151 pr.add(IndexReader.open(dir1, false));
152 pr.add(IndexReader.open(dir2, false));
154 assertTrue(pr.isCurrent());
155 IndexReader modifier = IndexReader.open(dir1, false);
156 modifier.setNorm(0, "f1", 100);
159 // one of the two IndexReaders which ParallelReader is using
160 // is not current anymore
161 assertFalse(pr.isCurrent());
163 modifier = IndexReader.open(dir2, false);
164 modifier.setNorm(0, "f3", 100);
167 // now both are not current anymore
168 assertFalse(pr.isCurrent());
174 public void testAllTermDocs() throws IOException {
175 Directory dir1 = getDir1(random);
176 Directory dir2 = getDir2(random);
177 ParallelReader pr = new ParallelReader();
178 pr.add(IndexReader.open(dir1, false));
179 pr.add(IndexReader.open(dir2, false));
181 TermDocs td = pr.termDocs(null);
182 for(int i=0;i<NUM_DOCS;i++) {
183 assertTrue(td.next());
184 assertEquals(i, td.doc());
185 assertEquals(1, td.freq());
194 private void queryTest(Query query) throws IOException {
195 ScoreDoc[] parallelHits = parallel.search(query, null, 1000).scoreDocs;
196 ScoreDoc[] singleHits = single.search(query, null, 1000).scoreDocs;
197 assertEquals(parallelHits.length, singleHits.length);
198 for(int i = 0; i < parallelHits.length; i++) {
199 assertEquals(parallelHits[i].score, singleHits[i].score, 0.001f);
200 Document docParallel = parallel.doc(parallelHits[i].doc);
201 Document docSingle = single.doc(singleHits[i].doc);
202 assertEquals(docParallel.get("f1"), docSingle.get("f1"));
203 assertEquals(docParallel.get("f2"), docSingle.get("f2"));
204 assertEquals(docParallel.get("f3"), docSingle.get("f3"));
205 assertEquals(docParallel.get("f4"), docSingle.get("f4"));
209 // Fields 1-4 indexed together:
210 private IndexSearcher single(Random random) throws IOException {
211 dir = newDirectory();
212 IndexWriter w = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
213 Document d1 = new Document();
214 d1.add(newField("f1", "v1", Field.Store.YES, Field.Index.ANALYZED));
215 d1.add(newField("f2", "v1", Field.Store.YES, Field.Index.ANALYZED));
216 d1.add(newField("f3", "v1", Field.Store.YES, Field.Index.ANALYZED));
217 d1.add(newField("f4", "v1", Field.Store.YES, Field.Index.ANALYZED));
219 Document d2 = new Document();
220 d2.add(newField("f1", "v2", Field.Store.YES, Field.Index.ANALYZED));
221 d2.add(newField("f2", "v2", Field.Store.YES, Field.Index.ANALYZED));
222 d2.add(newField("f3", "v2", Field.Store.YES, Field.Index.ANALYZED));
223 d2.add(newField("f4", "v2", Field.Store.YES, Field.Index.ANALYZED));
227 return new IndexSearcher(dir, false);
230 // Fields 1 & 2 in one index, 3 & 4 in other, with ParallelReader:
231 private IndexSearcher parallel(Random random) throws IOException {
232 dir1 = getDir1(random);
233 dir2 = getDir2(random);
234 ParallelReader pr = new ParallelReader();
235 pr.add(IndexReader.open(dir1, false));
236 pr.add(IndexReader.open(dir2, false));
237 return newSearcher(pr);
240 private Directory getDir1(Random random) throws IOException {
241 Directory dir1 = newDirectory();
242 IndexWriter w1 = new IndexWriter(dir1, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
243 Document d1 = new Document();
244 d1.add(newField("f1", "v1", Field.Store.YES, Field.Index.ANALYZED));
245 d1.add(newField("f2", "v1", Field.Store.YES, Field.Index.ANALYZED));
247 Document d2 = new Document();
248 d2.add(newField("f1", "v2", Field.Store.YES, Field.Index.ANALYZED));
249 d2.add(newField("f2", "v2", Field.Store.YES, Field.Index.ANALYZED));
255 private Directory getDir2(Random random) throws IOException {
256 Directory dir2 = newDirectory();
257 IndexWriter w2 = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
258 Document d3 = new Document();
259 d3.add(newField("f3", "v1", Field.Store.YES, Field.Index.ANALYZED));
260 d3.add(newField("f4", "v1", Field.Store.YES, Field.Index.ANALYZED));
262 Document d4 = new Document();
263 d4.add(newField("f3", "v2", Field.Store.YES, Field.Index.ANALYZED));
264 d4.add(newField("f4", "v2", Field.Store.YES, Field.Index.ANALYZED));