HDF5LogWriter.h

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#ifndef HDF5LOGWRITER_H_
#define HDF5LOGWRITER_H_

#include "data/BinaryDataType.h"
#include "logger/FilterLogWriter.h"
#include "logger/HasFilename.h"
#include "utils/HDF5.h"
#include "utils/Str.h"

class DataValue;

class HDF5LogWriter : public FilterLogWriter, public HasFilename
{
public:

    HDF5LogWriter( const Str& filename, bool version4, int varCount, char** varList, char** unitList,
                   int attCount = 0, char** attList = NULL );

    virtual ~HDF5LogWriter();

    unsigned int writeHeader();

    unsigned int write( const LogEntry *entry, const Unit* unit = NULL );

    unsigned int writeFooter();

    const Str& getFilename()
    {
        return filename_;
    }

protected:

    // Override this method to do something special with data entries
    virtual unsigned int writeData( const DataEntry *dataEntry, int index, const Unit* unit );

    // Override this method to do something special with attribute entries
    virtual unsigned int writeAtt( const DataEntry *dataEntry, int index, const Unit* unit );

private:
    // Note that the copy constructor below is private and not given a body.
    // Any attempt to call it will return a compiler error.
    HDF5LogWriter( const HDF5LogWriter& old ); // disallow copy constructor

    void initializeHDF5LogWriter();

    void addVar( const int index, const ElementURI* uri,
                 BinaryDataType binaryType, const Unit& unit,
                 short universalCode, bool useChunks );

    void setAttValue( const DataEntry *dataEntry, const int attIndex );

    const Str filename_;
    HDF5File* hdf5File_;
    bool hdf5LogWriterInitialized_;
    bool finalized_;
    HDF5Dataset** vars_;
    HDF5Dataset** timeVars_;

};

#endif /*HDF5LOGWRITER_H_*/