//-----------------------------------------------------------------------------------------------
// <copyright file="LqrSMACLogger_Locked.cpp" company="LiquidRobotics">
//
// Copyright (c) 2014 Liquid Robotics, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// This software is associated with a release.  Liquid Robotics makes no
// representation that the design, interfaces or component distribution will
// remain unchanged in future releases.
//
// </copyright>
//
// <summary>
// Implements the LiquidRobotics::SMACFramework::Logger::Locked class, which is used to implement
// a scoped lock and reference for Logger and Logger::Ptr objects.
// </summary>
//
// <owner>Mike Cookson</owner>
//-----------------------------------------------------------------------------------------------

#include "LqrSMACLogger.h"
#include "LqrSMACDummyLogger.h"

namespace LiquidRobotics {
namespace SMACFramework {


Logger::Locked::Locked(Logger::Ptr ptr)
: ptrRef(NULL)
, ptrCopy(ptr)
{
	if (ptrCopy)
		lockPtr.reset(new Lock(*ptrCopy));
}

Logger::Locked::Locked(Logger& ref)
: ptrRef(&ref)
{
	lockPtr.reset(new Lock(*ptrRef));
}

Logger::Locked::~Locked()
{
}

Logger& Logger::Locked::operator*()
{
	if (ptrCopy)
		return *ptrCopy;
	else if (ptrRef)
		return *ptrRef;
	else
	{
		if (!dummyLog)
			dummyLog.reset(new DummyLogger);

		return *dummyLog;
	}
}

Logger* Logger::Locked::operator->()
{
	return &operator*();
}

}
}
