text: /*
  * BSD 3-Clause License
  *
  * Copyright (c) 2017, Shogun-Toolbox e.V. <shogun-team@shogun-toolbox.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * * Redistributions of source code must retain the above copyright notice, this
  *   list of conditions and the following disclaimer.
  *
  * * Redistributions in binary form must reproduce the above copyright notice,
  *   this list of conditions and the following disclaimer in the documentation
  *   and/or other materials provided with the distribution.
  *
  * * Neither the name of the copyright holder nor the names of its
  *   contributors may be used to endorse or promote products derived from
  *   this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * Written (W) 2017 Giovanni De Toni
  *
  */
  #include <shogun/lib/config.h>
  #ifdef HAVE_TFLOGGER
  
  #include <shogun/io/TBOutputFormat.h>
  #include <shogun/lib/observers/ObservedValueTemplated.h>
  #include <shogun/lib/observers/ParameterObserverHistogram.h>
  
  using namespace shogun;
  
  ParameterObserverHistogram::ParameterObserverHistogram()
      : ParameterObserverTensorBoard()
  {
  }
  
  ParameterObserverHistogram::ParameterObserverHistogram(
      std::vector<std::string>& parameters)
      : ParameterObserverTensorBoard(parameters)
  {
  }
  
  ParameterObserverHistogram::ParameterObserverHistogram(
      const std::string& filename, std::vector<std::string>& parameters)
      : ParameterObserverTensorBoard(filename, parameters)
  {
  }
  
  ParameterObserverHistogram::~ParameterObserverHistogram()
  {
  }
  
  void ParameterObserverHistogram::on_next_impl(const TimedObservedValue& value)
  {
  	auto node_name = std::string("node");
  	auto format = TBOutputFormat();
  	auto event_value = format.convert_vector(value, node_name);
  	m_writer.writeEvent(event_value);
  }
  
  void ParameterObserverHistogram::on_error(std::exception_ptr)
  {
  }
  
  void ParameterObserverHistogram::on_complete()
  {
  }
  
  #endif // HAVE_TFLOGGER
  