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/*
 * BPReader.h
 *
 *  Created on: Feb 27, 2017
 *      Author: wfg
 */

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#ifndef BPFILEREADER_H_
#define BPFILEREADER_H_
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#include <iostream> //this must go away

#include "core/Engine.h"

// supported capsules
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#include "capsule/heap/STLVector.h"

namespace adios
{

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class BPFileReader : public Engine
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{

public:
  /**
   * Constructor for single BP capsule engine, writes in BP format into a single
   * heap capsule
   * @param name unique name given to the engine
   * @param accessMode
   * @param mpiComm
   * @param method
   * @param debugMode
   * @param hostLanguage
   */
  BPFileReader(ADIOS &adios, const std::string name,
               const std::string accessMode, MPI_Comm mpiComm,
               const Method &method, const IOMode iomode,
               const float timeout_sec, const bool debugMode = false,
               const unsigned int nthreads = 1);

  ~BPFileReader();

  Variable<void> *InquireVariable(const std::string name,
                                  const bool readIn = true);
  Variable<char> *InquireVariableChar(const std::string name,
                                      const bool readIn = true);
  Variable<unsigned char> *InquireVariableUChar(const std::string name,
                                                const bool readIn = true);
  Variable<short> *InquireVariableShort(const std::string name,
                                        const bool readIn = true);
  Variable<unsigned short> *InquireVariableUShort(const std::string name,
                                                  const bool readIn = true);
  Variable<int> *InquireVariableInt(const std::string name,
                                    const bool readIn = true);
  Variable<unsigned int> *InquireVariableUInt(const std::string name,
                                              const bool readIn = true);
  Variable<long int> *InquireVariableLInt(const std::string name,
                                          const bool readIn = true);
  Variable<unsigned long int> *InquireVariableULInt(const std::string name,
                                                    const bool readIn = true);
  Variable<long long int> *InquireVariableLLInt(const std::string name,
                                                const bool readIn = true);
  Variable<unsigned long long int> *
  InquireVariableULLInt(const std::string name, const bool readIn = true);
  Variable<float> *InquireVariableFloat(const std::string name,
                                        const bool readIn = true);
  Variable<double> *InquireVariableDouble(const std::string name,
                                          const bool readIn = true);
  Variable<long double> *InquireVariableLDouble(const std::string name,
                                                const bool readIn = true);
  Variable<std::complex<float>> *
  InquireVariableCFloat(const std::string name, const bool readIn = true);
  Variable<std::complex<double>> *
  InquireVariableCDouble(const std::string name, const bool readIn = true);
  Variable<std::complex<long double>> *
  InquireVariableCLDouble(const std::string name, const bool readIn = true);

  /**
   * Not implemented
   * @param name
   * @param readIn
   * @return
   */
  VariableCompound *InquireVariableCompound(const std::string name,
                                            const bool readIn = true);

  void Close(const int transportIndex = -1);
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private:
  capsule::STLVector
      m_Buffer; ///< heap capsule, contains data and metadata buffers
  // format::BP1Writer m_BP1Writer; ///< format object will provide the required
  // BP functionality to be applied on m_Buffer and m_Transports

  void Init(); ///< calls InitCapsules and InitTransports based on Method,
               /// called from constructor
  void InitCapsules();
  void InitTransports(); ///< from Transports

  std::string
  GetMdtmParameter(const std::string parameter,
                   const std::map<std::string, std::string> &mdtmParameters);

  template <class T>
  Variable<T> *InquireVariableCommon(const std::string name, const bool readIn)
  {
    std::cout << "Hello BPReaderCommon\n";

    // here read variable metadata (dimensions, type, etc.)...then create a
    // Variable like below:
    // Variable<T>& variable = m_ADIOS.DefineVariable<T>( m_Name + "/" + name, )
    // return &variable; //return address if success
    return nullptr; // on failure
  }
} // end namespace adios
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#endif /* BPFILEREADER_H_ */