| // 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 Org.Apache.REEF.Wake.Util |
| { |
| /// <summary> |
| /// Generates IDisposables from a factory method |
| /// </summary> |
| internal sealed class Disposable : IDisposable |
| { |
| private readonly Action _disposeFunction; |
| private readonly bool _disposed; |
| |
| private Disposable(Action disposeFunction) |
| { |
| _disposeFunction = disposeFunction; |
| _disposed = false; |
| } |
| |
| /// <summary> |
| /// Factory method to create an IDisposable from a function. |
| /// </summary> |
| /// <param name="disposeFunction">The function to call when disposing</param> |
| /// <returns>An IDisposable from the given dispose function</returns> |
| public static IDisposable Create(Action disposeFunction) |
| { |
| return new Disposable(disposeFunction); |
| } |
| |
| /// <summary> |
| /// Dispose of resources by calling the supplied dispose function |
| /// </summary> |
| public void Dispose() |
| { |
| if (!_disposed) |
| { |
| _disposeFunction(); |
| } |
| } |
| } |
| } |