| #region Copyright notice and license |
| |
| // Copyright 2015-2016, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #endregion |
| |
| using System; |
| |
| namespace Grpc.Core.Utils |
| { |
| /// <summary> |
| /// Utility methods to simplify checking preconditions in the code. |
| /// </summary> |
| public static class GrpcPreconditions |
| { |
| /// <summary> |
| /// Throws <see cref="ArgumentException"/> if condition is false. |
| /// </summary> |
| /// <param name="condition">The condition.</param> |
| public static void CheckArgument(bool condition) |
| { |
| if (!condition) |
| { |
| throw new ArgumentException(); |
| } |
| } |
| |
| /// <summary> |
| /// Throws <see cref="ArgumentException"/> with given message if condition is false. |
| /// </summary> |
| /// <param name="condition">The condition.</param> |
| /// <param name="errorMessage">The error message.</param> |
| public static void CheckArgument(bool condition, string errorMessage) |
| { |
| if (!condition) |
| { |
| throw new ArgumentException(errorMessage); |
| } |
| } |
| |
| /// <summary> |
| /// Throws <see cref="ArgumentNullException"/> if reference is null. |
| /// </summary> |
| /// <param name="reference">The reference.</param> |
| public static T CheckNotNull<T>(T reference) |
| { |
| if (reference == null) |
| { |
| throw new ArgumentNullException(); |
| } |
| return reference; |
| } |
| |
| /// <summary> |
| /// Throws <see cref="ArgumentNullException"/> if reference is null. |
| /// </summary> |
| /// <param name="reference">The reference.</param> |
| /// <param name="paramName">The parameter name.</param> |
| public static T CheckNotNull<T>(T reference, string paramName) |
| { |
| if (reference == null) |
| { |
| throw new ArgumentNullException(paramName); |
| } |
| return reference; |
| } |
| |
| /// <summary> |
| /// Throws <see cref="InvalidOperationException"/> if condition is false. |
| /// </summary> |
| /// <param name="condition">The condition.</param> |
| public static void CheckState(bool condition) |
| { |
| if (!condition) |
| { |
| throw new InvalidOperationException(); |
| } |
| } |
| |
| /// <summary> |
| /// Throws <see cref="InvalidOperationException"/> with given message if condition is false. |
| /// </summary> |
| /// <param name="condition">The condition.</param> |
| /// <param name="errorMessage">The error message.</param> |
| public static void CheckState(bool condition, string errorMessage) |
| { |
| if (!condition) |
| { |
| throw new InvalidOperationException(errorMessage); |
| } |
| } |
| } |
| } |