| using Lucene.Net.Analysis; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Index.Extensions; |
| using Lucene.Net.Store; |
| using Lucene.Net.Util; |
| using NUnit.Framework; |
| using System.Globalization; |
| using System.Text; |
| |
| namespace Lucene.Net.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. |
| */ |
| |
| public class TestPKIndexSplitter : LuceneTestCase |
| { |
| [Test] |
| public void TestSplit() |
| { |
| string format = "{0:000000000}"; |
| IndexWriter w; |
| using (Directory dir = NewDirectory()) |
| { |
| using (w = new IndexWriter(dir, NewIndexWriterConfig( |
| TEST_VERSION_CURRENT, new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)) |
| .SetOpenMode(OpenMode.CREATE).SetMergePolicy(NoMergePolicy.COMPOUND_FILES))) |
| { |
| for (int x = 0; x < 11; x++) |
| { |
| Document doc = CreateDocument(x, "1", 3, format); |
| w.AddDocument(doc); |
| if (x % 3 == 0) w.Commit(); |
| } |
| for (int x = 11; x < 20; x++) |
| { |
| Document doc = CreateDocument(x, "2", 3, format); |
| w.AddDocument(doc); |
| if (x % 3 == 0) w.Commit(); |
| } |
| } |
| |
| Term midTerm = new Term("id", string.Format(CultureInfo.InvariantCulture, format, 11)); |
| |
| |
| CheckSplitting(dir, midTerm, 11, 9); |
| |
| // delete some documents |
| using (w = new IndexWriter(dir, NewIndexWriterConfig( |
| |
| TEST_VERSION_CURRENT, new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)) |
| .SetOpenMode(OpenMode.APPEND).SetMergePolicy(NoMergePolicy.COMPOUND_FILES))) |
| { |
| w.DeleteDocuments(midTerm); |
| w.DeleteDocuments(new Term("id", string.Format(CultureInfo.InvariantCulture, format, 2))); |
| } |
| |
| |
| CheckSplitting(dir, midTerm, 10, 8); |
| |
| } |
| } |
| |
| private void CheckSplitting(Directory dir, Term splitTerm, int leftCount, int rightCount) |
| { |
| using (Directory dir1 = NewDirectory()) |
| { |
| using (Directory dir2 = NewDirectory()) |
| { |
| PKIndexSplitter splitter = new PKIndexSplitter(dir, dir1, dir2, splitTerm, |
| NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)), |
| NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random))); |
| splitter.Split(); |
| |
| using (IndexReader ir1 = DirectoryReader.Open(dir1)) |
| { |
| using (IndexReader ir2 = DirectoryReader.Open(dir2)) |
| { |
| assertEquals(leftCount, ir1.NumDocs); |
| assertEquals(rightCount, ir2.NumDocs); |
| |
| |
| CheckContents(ir1, "1"); |
| CheckContents(ir2, "2"); |
| |
| } |
| } |
| } |
| } |
| } |
| |
| private void CheckContents(IndexReader ir, string indexname) |
| { |
| IBits liveDocs = MultiFields.GetLiveDocs(ir); |
| for (int i = 0; i < ir.MaxDoc; i++) |
| { |
| if (liveDocs == null || liveDocs.Get(i)) |
| { |
| assertEquals(indexname, ir.Document(i).Get("indexname")); |
| } |
| } |
| } |
| |
| private Document CreateDocument(int n, string indexName, |
| int numFields, string format) |
| { |
| StringBuilder sb = new StringBuilder(); |
| Document doc = new Document(); |
| string id = string.Format(CultureInfo.InvariantCulture, format, n); |
| doc.Add(NewStringField("id", id, Field.Store.YES)); |
| doc.Add(NewStringField("indexname", indexName, Field.Store.YES)); |
| sb.append("a"); |
| sb.append(n); |
| doc.Add(NewTextField("field1", sb.toString(), Field.Store.YES)); |
| sb.append(" b"); |
| sb.append(n); |
| for (int i = 1; i < numFields; i++) |
| { |
| doc.Add(NewTextField("field" + (i + 1), sb.toString(), Field.Store.YES)); |
| } |
| return doc; |
| } |
| } |
| } |