X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestParallelReader.java?ds=sidebyside

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestParallelReader.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestParallelReader.java
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+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.analysis.standard.StandardAnalyzer;
+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 testIsOptimized() throws IOException {
+    Directory dir1 = getDir1(random);
+    Directory dir2 = getDir2(random);
+    
+    // add another document to ensure that the indexes are not optimized
+    IndexWriter modifier = new IndexWriter(
+        dir1,
+        newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
+            setMergePolicy(newLogMergePolicy(10))
+    );
+    Document d = new Document();
+    d.add(newField("f1", "v1", Field.Store.YES, Field.Index.ANALYZED));
+    modifier.addDocument(d);
+    modifier.close();
+
+    modifier = new IndexWriter(
+        dir2,
+        newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
+            setMergePolicy(newLogMergePolicy(10))
+    );
+    d = new Document();
+    d.add(newField("f2", "v2", Field.Store.YES, Field.Index.ANALYZED));
+    modifier.addDocument(d);
+    modifier.close();
+
+    
+    ParallelReader pr = new ParallelReader();
+    pr.add(IndexReader.open(dir1, false));
+    pr.add(IndexReader.open(dir2, false));
+    assertFalse(pr.isOptimized());
+    pr.close();
+    
+    modifier = new IndexWriter(dir1, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+    modifier.optimize();
+    modifier.close();
+    
+    pr = new ParallelReader();
+    pr.add(IndexReader.open(dir1, false));
+    pr.add(IndexReader.open(dir2, false));
+    // just one of the two indexes are optimized
+    assertFalse(pr.isOptimized());
+    pr.close();
+
+    
+    modifier = new IndexWriter(dir2, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
+    modifier.optimize();
+    modifier.close();
+    
+    pr = new ParallelReader();
+    pr.add(IndexReader.open(dir1, false));
+    pr.add(IndexReader.open(dir2, false));
+    // now both indexes are optimized
+    assertTrue(pr.isOptimized());
+    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;
+  }
+
+}