X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterMergePolicy.java diff --git a/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterMergePolicy.java b/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterMergePolicy.java deleted file mode 100755 index 04e5c27..0000000 --- a/lucene-java-3.4.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterMergePolicy.java +++ /dev/null @@ -1,263 +0,0 @@ -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 org.apache.lucene.analysis.MockAnalyzer; -import org.apache.lucene.document.Document; -import org.apache.lucene.document.Field; -import org.apache.lucene.index.IndexWriterConfig.OpenMode; -import org.apache.lucene.store.Directory; - -import org.apache.lucene.util.LuceneTestCase; - -public class TestIndexWriterMergePolicy extends LuceneTestCase { - - // Test the normal case - public void testNormalCase() throws IOException { - Directory dir = newDirectory(); - - IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( - TEST_VERSION_CURRENT, new MockAnalyzer(random)) - .setMaxBufferedDocs(10).setMergePolicy(new LogDocMergePolicy())); - - for (int i = 0; i < 100; i++) { - addDoc(writer); - checkInvariants(writer); - } - - writer.close(); - dir.close(); - } - - // Test to see if there is over merge - public void testNoOverMerge() throws IOException { - Directory dir = newDirectory(); - - IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( - TEST_VERSION_CURRENT, new MockAnalyzer(random)) - .setMaxBufferedDocs(10).setMergePolicy(new LogDocMergePolicy())); - - boolean noOverMerge = false; - for (int i = 0; i < 100; i++) { - addDoc(writer); - checkInvariants(writer); - if (writer.getNumBufferedDocuments() + writer.getSegmentCount() >= 18) { - noOverMerge = true; - } - } - assertTrue(noOverMerge); - - writer.close(); - dir.close(); - } - - // Test the case where flush is forced after every addDoc - public void testForceFlush() throws IOException { - Directory dir = newDirectory(); - - LogDocMergePolicy mp = new LogDocMergePolicy(); - mp.setMinMergeDocs(100); - mp.setMergeFactor(10); - IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( - TEST_VERSION_CURRENT, new MockAnalyzer(random)) - .setMaxBufferedDocs(10).setMergePolicy(mp)); - - for (int i = 0; i < 100; i++) { - addDoc(writer); - writer.close(); - - mp = new LogDocMergePolicy(); - mp.setMergeFactor(10); - writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, - new MockAnalyzer(random)).setOpenMode( - OpenMode.APPEND).setMaxBufferedDocs(10).setMergePolicy(mp)); - mp.setMinMergeDocs(100); - checkInvariants(writer); - } - - writer.close(); - dir.close(); - } - - // Test the case where mergeFactor changes - public void testMergeFactorChange() throws IOException { - Directory dir = newDirectory(); - - IndexWriter writer = new IndexWriter( - dir, - newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)). - setMaxBufferedDocs(10). - setMergePolicy(newLogMergePolicy()). - setMergeScheduler(new SerialMergeScheduler()) - ); - - writer.setInfoStream(VERBOSE ? System.out : null); - - for (int i = 0; i < 250; i++) { - addDoc(writer); - checkInvariants(writer); - } - - ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(5); - - // merge policy only fixes segments on levels where merges - // have been triggered, so check invariants after all adds - for (int i = 0; i < 10; i++) { - addDoc(writer); - } - checkInvariants(writer); - - writer.close(); - dir.close(); - } - - // Test the case where both mergeFactor and maxBufferedDocs change - public void testMaxBufferedDocsChange() throws IOException { - Directory dir = newDirectory(); - - IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( - TEST_VERSION_CURRENT, new MockAnalyzer(random)) - .setMaxBufferedDocs(101).setMergePolicy(new LogDocMergePolicy()) - .setMergeScheduler(new SerialMergeScheduler())); - - // leftmost* segment has 1 doc - // rightmost* segment has 100 docs - for (int i = 1; i <= 100; i++) { - for (int j = 0; j < i; j++) { - addDoc(writer); - checkInvariants(writer); - } - writer.close(); - - writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, - new MockAnalyzer(random)).setOpenMode( - OpenMode.APPEND).setMaxBufferedDocs(101).setMergePolicy(new LogDocMergePolicy()) - .setMergeScheduler(new SerialMergeScheduler())); - } - - writer.close(); - LogDocMergePolicy ldmp = new LogDocMergePolicy(); - ldmp.setMergeFactor(10); - writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, - new MockAnalyzer(random)).setOpenMode( - OpenMode.APPEND).setMaxBufferedDocs(10).setMergePolicy(ldmp).setMergeScheduler(new SerialMergeScheduler())); - - // merge policy only fixes segments on levels where merges - // have been triggered, so check invariants after all adds - for (int i = 0; i < 100; i++) { - addDoc(writer); - } - checkInvariants(writer); - - for (int i = 100; i < 1000; i++) { - addDoc(writer); - } - writer.commit(); - writer.waitForMerges(); - writer.commit(); - checkInvariants(writer); - - writer.close(); - dir.close(); - } - - // Test the case where a merge results in no doc at all - public void testMergeDocCount0() throws IOException { - Directory dir = newDirectory(); - - LogDocMergePolicy ldmp = new LogDocMergePolicy(); - ldmp.setMergeFactor(100); - IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( - TEST_VERSION_CURRENT, new MockAnalyzer(random)) - .setMaxBufferedDocs(10).setMergePolicy(ldmp)); - - for (int i = 0; i < 250; i++) { - addDoc(writer); - checkInvariants(writer); - } - writer.close(); - - IndexReader reader = IndexReader.open(dir, false); - reader.deleteDocuments(new Term("content", "aaa")); - reader.close(); - - ldmp = new LogDocMergePolicy(); - ldmp.setMergeFactor(5); - writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, - new MockAnalyzer(random)).setOpenMode( - OpenMode.APPEND).setMaxBufferedDocs(10).setMergePolicy(ldmp).setMergeScheduler(new ConcurrentMergeScheduler())); - - // merge factor is changed, so check invariants after all adds - for (int i = 0; i < 10; i++) { - addDoc(writer); - } - writer.commit(); - writer.waitForMerges(); - writer.commit(); - checkInvariants(writer); - assertEquals(10, writer.maxDoc()); - - writer.close(); - dir.close(); - } - - private void addDoc(IndexWriter writer) throws IOException { - Document doc = new Document(); - doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.ANALYZED)); - writer.addDocument(doc); - } - - private void checkInvariants(IndexWriter writer) throws IOException { - writer.waitForMerges(); - int maxBufferedDocs = writer.getConfig().getMaxBufferedDocs(); - int mergeFactor = ((LogMergePolicy) writer.getConfig().getMergePolicy()).getMergeFactor(); - int maxMergeDocs = ((LogMergePolicy) writer.getConfig().getMergePolicy()).getMaxMergeDocs(); - - int ramSegmentCount = writer.getNumBufferedDocuments(); - assertTrue(ramSegmentCount < maxBufferedDocs); - - int lowerBound = -1; - int upperBound = maxBufferedDocs; - int numSegments = 0; - - int segmentCount = writer.getSegmentCount(); - for (int i = segmentCount - 1; i >= 0; i--) { - int docCount = writer.getDocCount(i); - assertTrue("docCount=" + docCount + " lowerBound=" + lowerBound + " upperBound=" + upperBound + " i=" + i + " segmentCount=" + segmentCount + " index=" + writer.segString() + " config=" + writer.getConfig(), docCount > lowerBound); - - if (docCount <= upperBound) { - numSegments++; - } else { - if (upperBound * mergeFactor <= maxMergeDocs) { - assertTrue("maxMergeDocs=" + maxMergeDocs + "; numSegments=" + numSegments + "; upperBound=" + upperBound + "; mergeFactor=" + mergeFactor + "; segs=" + writer.segString() + " config=" + writer.getConfig(), numSegments < mergeFactor); - } - - do { - lowerBound = upperBound; - upperBound *= mergeFactor; - } while (docCount > upperBound); - numSegments = 1; - } - } - if (upperBound * mergeFactor <= maxMergeDocs) { - assertTrue(numSegments < mergeFactor); - } - } -}