#region License
/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed 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.
*/
#endregion
#region Imports
using System;
using System.Reflection;
#endregion
namespace Spring.Aop{
/// <summary>
/// Advice executed before a method is invoked.
/// </summary>
/// <remarks>
/// <p>
/// Such advice cannot prevent the method call proceeding, short of
/// throwing an <see cref="System.Exception"/>.
/// </p>
/// <p>
/// The main advantage of <c>before</c> advice is that there is no
/// possibility of inadvertently failing to proceed down the interceptor
/// chain, since there is no need (and indeed means) to invoke the next
/// interceptor in the call chain.
/// </p>
/// <p>
/// Possible uses for this type of advice would include performing class
/// invariant checks prior to the actual method invocation, the ubiquitous
/// logging of method invocations (useful during development), etc.
/// </p>
/// </remarks>
/// <author>Rod Johnson</author>
/// <author>Aleksandar Seovic (.NET)</author>
/// <seealso cref="Spring.Aop.IBeforeAdvice"/>
/// <seealso cref="Spring.Aop.IAfterReturningAdvice"/>
/// <seealso cref="Spring.Aop.IThrowsAdvice"/>
/// <seealso cref="AopAlliance.Intercept.IMethodInterceptor"/>
public interface IMethodBeforeAdvice : IBeforeAdvice
{
/// <summary>
/// The callback before a given method is invoked.
/// </summary>
/// <param name="method">The method being invoked.</param>
/// <param name="args">The arguments to the method.</param>
/// <param name="target">
/// The target of the method invocation. May be <see langword="null"/>.
/// </param>
/// <exception cref="System.Exception">
/// Thrown when and if this object wishes to abort the call. Any
/// exception so thrown will be propagated to the caller.
/// </exception>
void Before(MethodInfo method, object[] args, object target);
}
}
|