Core/Castle.Core/Interceptor/IInvocation.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Core.Interceptor
  16 {
  17         using System;
  18         using System.Reflection;
  19
  20         /// <summary>
  21         /// New interface that is going to be used by DynamicProxy 2
  22         /// </summary>
  23         public interface IInvocation
  24         {
  25                 object Proxy { get; }
  26
  27                 object InvocationTarget { get; }
  28
  29                 Type TargetType { get; }
  30
  31                 object[] Arguments { get; }
  32
  33                 void SetArgumentValue(int index, object value);
  34
  35                 object GetArgumentValue(int index);
  36
  37                 /// <summary>
  38                 /// The generic arguments of the method, or null if not a generic method.
  39                 /// </summary>
  40                 Type[] GenericArguments { get; }
  41
  42                 /// <summary>
  43                 ///
  44                 /// </summary>
  45                 MethodInfo Method { get; }
  46
  47                 /// <summary>
  48                 /// Returns the concrete instantiation of <see cref="Method"/>, with any generic parameters bound to real types.
  49                 /// </summary>
  50                 /// <returns>The concrete instantiation of <see cref="Method"/>, or <see cref="Method"/> if not a generic method.</returns>
  51                 /// <remarks>Can be slower than calling <see cref="Method"/>.</remarks>
  52                 MethodInfo GetConcreteMethod();
  53
  54                 /// <summary>
  55                 /// For interface proxies, this will point to the
  56                 /// <see cref="MethodInfo"/> on the target class
  57                 /// </summary>
  58                 MethodInfo MethodInvocationTarget { get; }
  59
  60                 /// <summary>
  61                 /// Returns the concrete instantiation of <see cref="MethodInvocationTarget"/>, with any generic parameters bound to real types.
  62                 /// </summary>
  63                 /// <returns>The concrete instantiation of <see cref="MethodInvocationTarget"/>, or <see cref="MethodInvocationTarget"/> if not a generic method.</returns>
  64                 /// <remarks>Can be slower than calling <see cref="MethodInvocationTarget"/>.</remarks>
  65                 MethodInfo GetConcreteMethodInvocationTarget();
  66
  67                 object ReturnValue { get; set; }
  68
  69                 /// <summary>
  70                 ///
  71                 /// </summary>
  72                 /// <returns></returns>
  73                 void Proceed();
  74         }
  75 }