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InterfaceMembersOnClassCollector.cs
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InterfaceMembersOnClassCollector.cs
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// Copyright 2004-2021 Castle Project - http://www.castleproject.org/
//
// 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.
namespace Castle.DynamicProxy.Contributors
{
using System;
using System.Reflection;
using Castle.DynamicProxy.Generators;
internal class InterfaceMembersOnClassCollector : MembersCollector
{
private readonly InterfaceMapping map;
private readonly bool onlyProxyVirtual;
public InterfaceMembersOnClassCollector(Type type, bool onlyProxyVirtual, InterfaceMapping map) : base(type)
{
this.onlyProxyVirtual = onlyProxyVirtual;
this.map = map;
}
protected override MetaMethod GetMethodToGenerate(MethodInfo method, IProxyGenerationHook hook, bool isStandalone)
{
if (onlyProxyVirtual && IsVirtuallyImplementedInterfaceMethod(method))
{
return null;
}
var methodOnTarget = GetMethodOnTarget(method);
var proxyable = AcceptMethod(method, onlyProxyVirtual, hook);
return new MetaMethod(method, methodOnTarget, isStandalone, proxyable, methodOnTarget.IsPrivate == false);
}
private MethodInfo GetMethodOnTarget(MethodInfo method)
{
var index = Array.IndexOf(map.InterfaceMethods, method);
if (index == -1)
{
return null;
}
return map.TargetMethods[index];
}
private bool IsVirtuallyImplementedInterfaceMethod(MethodInfo method)
{
var info = GetMethodOnTarget(method);
return info != null && info.IsFinal == false;
}
}
}