#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;
using Spring.Util;
#endregion
namespace Spring.Objects.Factory.Support{
/// <summary>
/// Represents the override of a method on a managed object by the IoC container.
/// </summary>
/// <remarks>
/// <p>
/// Note that the override mechanism is <i>not</i> intended as a generic means of
/// inserting crosscutting code: use AOP for that.
/// </p>
/// </remarks>
/// <author>Rod Johnson</author>
/// <author>Rick Evans (.NET)</author>
[Serializable]
public abstract class MethodOverride
{
private readonly string methodName;
private bool isOverloaded = true;
/// <summary>
/// Creates a new instance of the
/// <see cref="Spring.Objects.Factory.Support.MethodOverride"/> class.
/// </summary>
/// <remarks>
/// <p>
/// This is an <see langword="abstract"/> class, and as such exposes no
/// public constructors.
/// </p>
/// </remarks>
/// <param name="methodName">
/// The name of the method that is to be overridden.
/// </param>
/// <exception cref="System.ArgumentNullException">
/// If the supplied <paramref name="methodName"/> is <see langword="null"/> or
/// contains only whitespace character(s).
/// </exception>
protected MethodOverride(string methodName)
{
AssertUtils.ArgumentHasText(methodName, "methodName");
this.methodName = methodName.Trim();
}
/// <summary>
/// The name of the method that is to be overridden.
/// </summary>
public string MethodName
{
get { return methodName; }
}
/// <summary>
/// Is the method that is ot be injected
/// (<see cref="Spring.Objects.Factory.Support.MethodOverride.MethodName"/>)
/// to be considered as overloaded?
/// </summary>
/// <remarks>
/// <p>
/// If <see lang="true"/> (the default), then argument type matching
/// will be performed (because one would not want to override the wrong
/// method).
/// </p>
/// <p>
/// Setting the value of this property to <see lang="false"/> can be used
/// to optimize runtime performance (ever so slightly).
/// </p>
/// </remarks>
public bool IsOverloaded
{
get { return isOverloaded; }
set { isOverloaded = value; }
}
/// <summary>
/// Does this <see cref="Spring.Objects.Factory.Support.MethodOverride"/>
/// match the supplied <paramref name="method"/>?
/// </summary>
/// <remarks>
/// <p>
/// By 'match' one means does this particular
/// <see cref="Spring.Objects.Factory.Support.MethodOverride"/>
/// instance apply to the supplied <paramref name="method"/>?
/// </p>
/// <p>
/// This allows for argument list checking as well as method name checking.
/// </p>
/// </remarks>
/// <param name="method">The method to be checked.</param>
/// <returns>
/// <see lang="true"/> if this override matches the supplied
/// <paramref name="method"/>.
/// </returns>
public abstract bool Matches(MethodInfo method);
}
}
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