pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/common/ModelDatabasePrivate.hh

75 lines
2.3 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* 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.
*
*/
#ifndef _GAZEBO_MODELDATABSE_PRIVATE_HH_
#define _GAZEBO_MODELDATABSE_PRIVATE_HH_
#include <list>
#include <map>
#include <string>
#include <boost/function.hpp>
#include <boost/thread.hpp>
#include <boost/thread/mutex.hpp>
#include "gazebo/common/Event.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace common
{
/// \brief Private class attributes for ModelDatabase.
class GZ_COMMON_VISIBLE ModelDatabasePrivate
{
/// \brief Thread to update the model cache.
public: boost::thread *updateCacheThread;
/// \brief A dictionary of all model names indexed by their uri.
public: std::map<std::string, std::string> modelCache;
/// \brief True to stop the background thread
public: bool stop;
/// \brief Cache update mutex.
public: boost::mutex updateMutex;
/// \brief Protects callback list.
public: boost::mutex callbacksMutex;
/// \brief Mutex to protect cache thread status checks.
public: boost::recursive_mutex startCacheMutex;
/// \brief Condition variable for the updateCacheThread.
public: boost::condition_variable updateCacheCondition;
/// \brief Condition variable for completion of one cache update.
public: boost::condition_variable updateCacheCompleteCondition;
/// \def CallbackFunc
/// \brief Boost function that is used to passback the model cache.
public: typedef boost::function<
void (const std::map<std::string, std::string> &)> CallbackFunc;
/// \brief Triggered when the model data has been updated after
/// calling ModelDatabase::GetModels()
public: event::EventT<
void (std::map<std::string, std::string>)> modelDBUpdated;
};
}
}
#endif