| /* |
| * 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. |
| */ |
| |
| using System; |
| |
| using NUnit.Framework; |
| |
| using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer; |
| using Document = Lucene.Net.Documents.Document; |
| using Field = Lucene.Net.Documents.Field; |
| using ConcurrentMergeScheduler = Lucene.Net.Index.ConcurrentMergeScheduler; |
| using IndexWriter = Lucene.Net.Index.IndexWriter; |
| using MergePolicy = Lucene.Net.Index.MergePolicy; |
| using Directory = Lucene.Net.Store.Directory; |
| using MockRAMDirectory = Lucene.Net.Store.MockRAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net |
| { |
| |
| |
| /// <summary> Holds tests cases to verify external APIs are accessible |
| /// while not being in Lucene.Net.Index package. |
| /// </summary> |
| [TestFixture] |
| public class TestMergeSchedulerExternal:LuceneTestCase |
| { |
| |
| internal volatile bool mergeCalled; |
| internal volatile bool mergeThreadCreated; |
| internal volatile bool excCalled; |
| |
| [Serializable] |
| private class MyMergeException:System.SystemException |
| { |
| private void InitBlock(TestMergeSchedulerExternal enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private TestMergeSchedulerExternal enclosingInstance; |
| public TestMergeSchedulerExternal Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| internal Directory dir; |
| public MyMergeException(TestMergeSchedulerExternal enclosingInstance, System.Exception exc, Directory dir):base("", exc) |
| { |
| InitBlock(enclosingInstance); |
| this.dir = dir; |
| } |
| } |
| |
| private class MyMergeScheduler:ConcurrentMergeScheduler |
| { |
| public MyMergeScheduler(TestMergeSchedulerExternal enclosingInstance) |
| { |
| InitBlock(enclosingInstance); |
| } |
| private void InitBlock(TestMergeSchedulerExternal enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private TestMergeSchedulerExternal enclosingInstance; |
| public TestMergeSchedulerExternal Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| |
| private class MyMergeThread:ConcurrentMergeScheduler.MergeThread |
| { |
| private void InitBlock(MyMergeScheduler enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private MyMergeScheduler enclosingInstance; |
| public new MyMergeScheduler Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| public MyMergeThread(MyMergeScheduler enclosingInstance, IndexWriter writer, MergePolicy.OneMerge merge):base(enclosingInstance, writer, merge) |
| { |
| InitBlock(enclosingInstance); |
| Enclosing_Instance.Enclosing_Instance.mergeThreadCreated = true; |
| } |
| } |
| |
| protected internal override MergeThread GetMergeThread(IndexWriter writer, MergePolicy.OneMerge merge) |
| { |
| MergeThread thread = new MyMergeThread(this, writer, merge); |
| thread.SetThreadPriority(GetMergeThreadPriority()); |
| thread.IsBackground = true; |
| thread.Name = "MyMergeThread"; |
| return thread; |
| } |
| |
| protected internal override void HandleMergeException(System.Exception t) |
| { |
| Enclosing_Instance.excCalled = true; |
| } |
| |
| [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] |
| protected internal override void DoMerge(MergePolicy.OneMerge merge) |
| { |
| Enclosing_Instance.mergeCalled = true; |
| base.DoMerge(merge); |
| } |
| } |
| |
| private class FailOnlyOnMerge:MockRAMDirectory.Failure |
| { |
| public override /*virtual*/ void Eval(MockRAMDirectory dir) |
| { |
| System.Diagnostics.StackTrace trace = new System.Diagnostics.StackTrace(); |
| for (int i = 0; i < trace.FrameCount; i++) |
| { |
| System.Diagnostics.StackFrame sf = trace.GetFrame(i); |
| if ("DoMerge".Equals(sf.GetMethod().Name)) |
| throw new System.IO.IOException("now failing during merge"); |
| } |
| } |
| } |
| |
| [Test] |
| public virtual void TestSubclassConcurrentMergeScheduler() |
| { |
| MockRAMDirectory dir = new MockRAMDirectory(); |
| dir.FailOn(new FailOnlyOnMerge()); |
| |
| Document doc = new Document(); |
| Field idField = new Field("id", "", Field.Store.YES, Field.Index.NOT_ANALYZED); |
| doc.Add(idField); |
| |
| IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED); |
| MyMergeScheduler ms = new MyMergeScheduler(this); |
| |
| writer.SetMergeScheduler(ms); |
| writer.SetMaxBufferedDocs(2); |
| writer.SetRAMBufferSizeMB(Lucene.Net.Index.IndexWriter.DISABLE_AUTO_FLUSH); |
| for (int i = 0; i < 20; i++) |
| writer.AddDocument(doc); |
| |
| ms.Sync(); |
| writer.Close(); |
| |
| Console.WriteLine("merge thread"); |
| Assert.IsTrue(mergeThreadCreated); |
| |
| Console.WriteLine("merge called"); |
| Assert.IsTrue(mergeCalled); |
| |
| Console.WriteLine("exec called"); |
| Assert.IsTrue(excCalled); |
| Console.WriteLine("exec true"); |
| dir.Close(); |
| |
| Console.WriteLine("Last"); |
| Assert.IsTrue(ConcurrentMergeScheduler.AnyUnhandledExceptions()); |
| } |
| } |
| } |