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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System.Collections.Generic;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
class OperationInvokerBehavior : IOperationBehavior
{
public OperationInvokerBehavior()
{
}
void IOperationBehavior.Validate(OperationDescription description)
{
}
void IOperationBehavior.AddBindingParameters(OperationDescription description, BindingParameterCollection parameters)
{
}
void IOperationBehavior.ApplyDispatchBehavior(OperationDescription description, DispatchOperation dispatch)
{
if (dispatch == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("dispatch");
}
if (description == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("description");
}
if (description.TaskMethod != null)
{
dispatch.Invoker = new TaskMethodInvoker(description.TaskMethod, description.TaskTResult);
}
else if (description.SyncMethod != null)
{
if (description.BeginMethod != null)
{
// both [....] and async methods are present on the contract, check the preference
OperationBehaviorAttribute operationBehaviorAttribue = description.Behaviors.Find<OperationBehaviorAttribute>();
if ((operationBehaviorAttribue != null) && operationBehaviorAttribue.PreferAsyncInvocation)
{
dispatch.Invoker = new AsyncMethodInvoker(description.BeginMethod, description.EndMethod);
}
else
{
dispatch.Invoker = new SyncMethodInvoker(description.SyncMethod);
}
}
else
{
// only [....] method is present on the contract
dispatch.Invoker = new SyncMethodInvoker(description.SyncMethod);
}
}
else
{
if (description.BeginMethod != null)
{
// only async method is present on the contract
dispatch.Invoker = new AsyncMethodInvoker(description.BeginMethod, description.EndMethod);
}
}
}
void IOperationBehavior.ApplyClientBehavior(OperationDescription description, ClientOperation proxy)
{
}
}
}
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