/*
* 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;
namespace Lucene.Net.Store
{
/// Use this {@link LockFactory} to disable locking entirely.
/// This LockFactory is used when you call {@link FSDirectory#setDisableLocks}.
/// Only one instance of this lock is created. You should call {@link
/// #GetNoLockFactory()} to get the instance.
///
///
///
///
public class NoLockFactory:LockFactory
{
// Single instance returned whenever makeLock is called.
private static NoLock singletonLock = new NoLock();
private static NoLockFactory singleton = new NoLockFactory();
public static NoLockFactory GetNoLockFactory()
{
return singleton;
}
public override Lock MakeLock(System.String lockName)
{
return singletonLock;
}
public override void ClearLock(System.String lockName)
{
}
}
class NoLock:Lock
{
public override bool Obtain()
{
return true;
}
public override void Release()
{
}
public override bool IsLocked()
{
return false;
}
public override System.String ToString()
{
return "NoLock";
}
}
}