| /* |
| * 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. |
| */ |
| package org.apache.lucene.index; |
| |
| import java.nio.file.Path; |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.index.IndexWriterConfig.OpenMode; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestIndexSplitter extends LuceneTestCase { |
| public void test() throws Exception { |
| Path dir = createTempDir(LuceneTestCase.getTestClass().getSimpleName()); |
| Path destDir = createTempDir(LuceneTestCase.getTestClass().getSimpleName()); |
| Directory fsDir = newFSDirectory(dir); |
| // IndexSplitter.split makes its own commit directly with SIPC/SegmentInfos, |
| // so the unreferenced files are expected. |
| if (fsDir instanceof MockDirectoryWrapper) { |
| ((MockDirectoryWrapper)fsDir).setAssertNoUnrefencedFilesOnClose(false); |
| } |
| |
| MergePolicy mergePolicy = new LogByteSizeMergePolicy(); |
| mergePolicy.setNoCFSRatio(1.0); |
| mergePolicy.setMaxCFSSegmentSizeMB(Double.POSITIVE_INFINITY); |
| IndexWriter iw = new IndexWriter( |
| fsDir, |
| new IndexWriterConfig(new MockAnalyzer(random())). |
| setOpenMode(OpenMode.CREATE). |
| setMergePolicy(mergePolicy) |
| ); |
| for (int x=0; x < 100; x++) { |
| Document doc = DocHelper.createDocument(x, "index", 5); |
| iw.addDocument(doc); |
| } |
| iw.commit(); |
| for (int x=100; x < 150; x++) { |
| Document doc = DocHelper.createDocument(x, "index2", 5); |
| iw.addDocument(doc); |
| } |
| iw.commit(); |
| for (int x=150; x < 200; x++) { |
| Document doc = DocHelper.createDocument(x, "index3", 5); |
| iw.addDocument(doc); |
| } |
| iw.commit(); |
| DirectoryReader iwReader = iw.getReader(); |
| assertEquals(3, iwReader.leaves().size()); |
| iwReader.close(); |
| iw.close(); |
| // we should have 2 segments now |
| IndexSplitter is = new IndexSplitter(dir); |
| String splitSegName = is.infos.info(1).info.name; |
| is.split(destDir, new String[] {splitSegName}); |
| Directory fsDirDest = newFSDirectory(destDir); |
| DirectoryReader r = DirectoryReader.open(fsDirDest); |
| assertEquals(50, r.maxDoc()); |
| r.close(); |
| fsDirDest.close(); |
| |
| // now test cmdline |
| Path destDir2 = createTempDir(LuceneTestCase.getTestClass().getSimpleName()); |
| IndexSplitter.main(new String[] {dir.toAbsolutePath().toString(), destDir2.toAbsolutePath().toString(), splitSegName}); |
| Directory fsDirDest2 = newFSDirectory(destDir2); |
| SegmentInfos sis = SegmentInfos.readLatestCommit(fsDirDest2); |
| assertEquals(1, sis.size()); |
| r = DirectoryReader.open(fsDirDest2); |
| assertEquals(50, r.maxDoc()); |
| r.close(); |
| fsDirDest2.close(); |
| |
| // now remove the copied segment from src |
| IndexSplitter.main(new String[] {dir.toAbsolutePath().toString(), "-d", splitSegName}); |
| r = DirectoryReader.open(fsDir); |
| assertEquals(2, r.leaves().size()); |
| r.close(); |
| fsDir.close(); |
| } |
| |
| } |