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Diffstat (limited to 'csharp/src/ProtocolBuffers/Reflection/FieldAccessorBase.cs')
-rw-r--r-- | csharp/src/ProtocolBuffers/Reflection/FieldAccessorBase.cs | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers/Reflection/FieldAccessorBase.cs b/csharp/src/ProtocolBuffers/Reflection/FieldAccessorBase.cs new file mode 100644 index 00000000..39a63b47 --- /dev/null +++ b/csharp/src/ProtocolBuffers/Reflection/FieldAccessorBase.cs @@ -0,0 +1,67 @@ +#region Copyright notice and license +// Protocol Buffers - Google's data interchange format +// Copyright 2015 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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; +using System.Reflection; + +namespace Google.Protobuf.Reflection +{ + /// <summary> + /// Base class for field accessors. + /// </summary> + internal abstract class FieldAccessorBase : IFieldAccessor + { + private readonly Func<object, object> getValueDelegate; + private readonly FieldDescriptor descriptor; + + internal FieldAccessorBase(Type type, string propertyName, FieldDescriptor descriptor) + { + PropertyInfo property = type.GetProperty(propertyName); + if (property == null || !property.CanRead) + { + throw new ArgumentException("Not all required properties/methods available"); + } + this.descriptor = descriptor; + getValueDelegate = ReflectionUtil.CreateFuncObjectObject(property.GetGetMethod()); + } + + public FieldDescriptor Descriptor { get { return descriptor; } } + + public object GetValue(object message) + { + return getValueDelegate(message); + } + + public abstract void Clear(object message); + public abstract void SetValue(object message, object value); + } +} |