converters/memory/string.cpp

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/*
 * Copyright 2015 Aldebaran
 *
 * 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.
 *
*/
 
/*
* LOCAL includes
*/
#include "string.hpp"
 
/*
* BOOST includes
*/
#include <boost/foreach.hpp>
#define for_each BOOST_FOREACH
 
namespace naoqi
{
namespace converter
{
 
MemoryStringConverter::MemoryStringConverter( const std::string& name, const float& frequency, const qi::SessionPtr& session, const std::string& memory_key )
  : BaseConverter( name, frequency, session ),
    memory_key_(memory_key),
    p_memory_(session->service("ALMemory").value())
{}
 
void MemoryStringConverter::registerCallback( message_actions::MessageAction action, Callback_t cb )
{
  callbacks_[action] = cb;
}
 
bool MemoryStringConverter::convert()
{
  bool success = false;
  try
  {
    std::string value = p_memory_.call<std::string>("getData", memory_key_);
    msg_.header.stamp = ros::Time::now();
    msg_.data = value;
    success = true;
  }
  catch( const std::exception& e )
  {
    std::cerr << "Exception caught in MemoryStringConverter " << e.what() << std::endl;
    success = false;
  }
  return success;
}
 
void MemoryStringConverter::callAll( const std::vector<message_actions::MessageAction>& actions )
{
  if (convert()) {
    for_each( message_actions::MessageAction action, actions )
    {
      callbacks_[action]( msg_ );
    }
  }
}
 
void MemoryStringConverter::reset( )
{}
 
} // publisher
} //naoqi