| namespace Lucene.Net.Store |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Use this <see cref="LockFactory"/> to disable locking entirely. |
| /// Only one instance of this lock is created. You should call |
| /// <see cref="GetNoLockFactory()"/> to get the instance. |
| /// </summary> |
| /// <seealso cref="LockFactory"/> |
| public class NoLockFactory : LockFactory |
| { |
| // Single instance returned whenever makeLock is called. |
| private static readonly NoLock singletonLock = new NoLock(); // LUCENENET: marked readonly |
| private static readonly NoLockFactory singleton = new NoLockFactory(); // LUCENENET: marked readonly |
| |
| private NoLockFactory() |
| { |
| } |
| |
| public static NoLockFactory GetNoLockFactory() // LUCENENET NOTE: name collision on a property, so leaving a method |
| { |
| return singleton; |
| } |
| |
| public override Lock MakeLock(string lockName) |
| { |
| return singletonLock; |
| } |
| |
| public override void ClearLock(string lockName) |
| { |
| } |
| } |
| |
| internal class NoLock : Lock |
| { |
| public override bool Obtain() |
| { |
| return true; |
| } |
| |
| protected override void Dispose(bool disposing) |
| { |
| } |
| |
| public override bool IsLocked() |
| { |
| return false; |
| } |
| |
| public override string ToString() |
| { |
| return "NoLock"; |
| } |
| } |
| } |