diff options
author | 2016-02-17 10:34:42 +0000 | |
---|---|---|
committer | 2016-02-17 11:00:40 +0000 | |
commit | e813bc760e72ed07aa31858e869f8f56f7adeed0 (patch) | |
tree | 9d3395eb69f6b1bc6fd6baddeaa667a98b4a0253 /src/csharp/Grpc.Core/Logging | |
parent | 7da3297be7068a5a167991efafb2ec4eba2b2779 (diff) |
Add a NullLogger in the C# implementation
I'd argue that at this stage, this should probably be the default. Further options to consider:
- Make it a singleton, or at least expose a static property with a single instance?
- Allow SetLogger(null) to use the NullLogger?
Diffstat (limited to 'src/csharp/Grpc.Core/Logging')
-rw-r--r-- | src/csharp/Grpc.Core/Logging/NullLogger.cs | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core/Logging/NullLogger.cs b/src/csharp/Grpc.Core/Logging/NullLogger.cs new file mode 100644 index 0000000000..58679a0ff9 --- /dev/null +++ b/src/csharp/Grpc.Core/Logging/NullLogger.cs @@ -0,0 +1,122 @@ +#region Copyright notice and license + +// Copyright 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.Logging +{ + /// <summary> + /// Logger which doesn't log any information anywhere. + /// </summary> + public sealed class NullLogger : ILogger + { + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Debug(string message) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Debug(string format, params object[] formatArgs) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Error(string message) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Error(Exception exception, string message) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Error(string format, params object[] formatArgs) + { + } + + /// <summary> + /// Returns a reference to the instance on which the method is called, as + /// instances aren't associated with specific types. + /// </summary> + public ILogger ForType<T>() + { + return this; + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Info(string message) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Info(string format, params object[] formatArgs) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Warning(string message) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Warning(Exception exception, string message) + { + } + + /// <summary> + /// As with all logging calls on this logger, this method is a no-op. + /// </summary> + public void Warning(string format, params object[] formatArgs) + { + } + } +} |