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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
#pragma once
namespace Apache {
namespace Qpid {
namespace Interop {
using namespace System;
using namespace System::Threading;
public ref class CompletionWaiter : IAsyncResult
{
private:
bool timedOut;
// has an owner thread
bool assigned;
// can Run (i.e. earlier CompletionWaiters in the queue have completed)
System::Exception^ runException;
AsyncCallback^ asyncCallback;
Threading::Timer ^timer;
bool isCompleted;
Object^ state;
Object^ thisLock;
ManualResetEvent^ asyncWaitHandle;
AmqpSession^ parent;
IntPtr qpidFuture;
void Complete(bool isTimerThread);
static void TimeoutCallback(Object^ state);
static TimerCallback^ timeoutCallback = gcnew TimerCallback(CompletionWaiter::TimeoutCallback);
internal:
CompletionWaiter(AmqpSession^ parent, TimeSpan timeSpan, IntPtr future, AsyncCallback ^callback, Object^ state);
void Run();
void WaitForCompletion();
property bool Assigned {
bool get () { return assigned; }
}
property bool TimedOut {
bool get () { return timedOut; }
}
public:
virtual property bool IsCompleted {
bool get () { return isCompleted; }
}
virtual property bool CompletedSynchronously {
bool get () { return false; }
}
virtual property WaitHandle^ AsyncWaitHandle {
WaitHandle^ get () {
if (asyncWaitHandle != nullptr) {
return asyncWaitHandle;
}
msclr::lock l(thisLock);
if (asyncWaitHandle == nullptr) {
asyncWaitHandle = gcnew ManualResetEvent(isCompleted);
}
return asyncWaitHandle;
}
}
virtual property Object^ AsyncState {
Object^ get () { return state; }
}
};
}}} // namespace Apache::Qpid::Interop
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