#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;
#endregion
namespace Spring.Aop{
/// <summary>
/// Used to obtain the current "target" of an AOP invocation
/// </summary>
/// <remarks>
/// <p>
/// This target will be invoked via reflection if no around advice chooses
/// to end the interceptor chain itself.
/// </p>
/// <p>
/// If an <see cref="Spring.Aop.ITargetSource"/> is <c>"static"</c>, it
/// will always return the same target, allowing optimizations in the AOP
/// framework. Dynamic target sources can support pooling, hot swapping etc.
/// </p>
/// <p>
/// Application developers don't usually need to work with target sources
/// directly: this is an AOP framework interface.
/// </p>
/// </remarks>
/// <author>Rod Johnson</author>
/// <author>Aleksandar Seovic (.NET)</author>
public interface ITargetSource
{
/// <summary>
/// The <see cref="System.Type"/> of the target object.
/// </summary>
Type TargetType { get; }
/// <summary>
/// Is the target source static?
/// </summary>
/// <value>
/// <see langword="true"/> if the target source is static.
/// </value>
bool IsStatic { get; }
/// <summary>
/// Returns the target object.
/// </summary>
/// <returns>The target object.</returns>
/// <exception cref="System.Exception">
/// If unable to obtain the target object.
/// </exception>
object GetTarget();
/// <summary>
/// Releases the target object.
/// </summary>
/// <param name="target">The target object to release.</param>
void ReleaseTarget(object target);
}
}
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