RootInputStream.h

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#ifndef ROOTINPUTSTREAM_H
#define ROOTINPUTSTREAM_H

#include "RootIOStream.h"
#include "RootInputFile.h"

#include "DybKernel/MsgStreamMember.h"

#include <string>
#include <vector>

class RootInputStream : public RootIOStream {

    RootInputFileList m_files;   
    int m_entry;                // global entry count
    int m_clid;                 // class ID of DataObject
    int m_entries;              // total number of entries
    
    std::string m_treepath, m_branchname;

    Dyb::MsgStreamMember log;
public:
   
    RootInputStream(void* addr, /*int clid,*/
                    const std::string& treepath,
                    const std::string& branchname);
    virtual ~RootInputStream();


    std::string path();
    std::string filename();
    int fileNumber();
    int clID();

    int getEntry() { return m_entry; }
    RootInputFileList& getFiles() { return m_files; }

    
    bool append(const std::string& filename, bool ignore_missing=false);
    
    bool append(const std::string& filename,
                const std::string& treepath,
                const std::string& branchname,
                bool ignore_missing=false);
    
    bool read();

    bool setEntry(int entry, bool read=true);

    bool setFileEntry(int file, int entry, bool read=true);

    bool next(int steps=1, bool read=true);
    
    bool prev(int nsteps=1, bool read=true);

    bool first(bool read=true);

    bool last(bool read=true);

    int entries();

};

#endif  // ROOTINPUTSTREAM_H