/home/kolos/working/oh/oh/interface/OHProvider.h

/*
    OHProvider.h - OH private header file.

    OH histogram provider baseclass definition.
    Fredrik Sandin, Oct 2001
    Monika Barczyk, Sept 2002
    Serguei Kolos, Jan 2004
    Herbert Kaiser, Aug 2006
*/

#ifndef OH_HISTOGRAM_PROVIDER_H
#define OH_HISTOGRAM_PROVIDER_H

#include <oh/OHCommandListener.h>
#include <oh/core/Histogram.h>
#include <oh/core/Graph.h>
#include <oh/exceptions.h>

namespace oh
{
  class  ProviderManager;
}


class OHProvider : public ISCommandListener
{
  friend class oh::ProviderManager;
  
  public:

    virtual ~OHProvider( );
    
  protected:

    OHProvider( const IPCPartition & p,
                const std::string & server,
                const std::string & name,
                OHCommandListener * lst = 0 ) throw (   daq::oh::RepositoryNotFound,
                                                        daq::oh::ProviderAlreadyExist );

    void
    publish( ISInfo & object, const std::string & name, bool keep_history = false ) const
                                throw ( daq::oh::RepositoryNotFound,
                                        daq::oh::ObjectTypeMismatch );
    
  private:

    void command( const std::string & name, const std::string & cmd );
        
    bool                valid_;
    IPCPartition        partition_;
    std::string         server_;
    std::string         name_;
    OHCommandListener * listener_;
};

#endif // OH_HISTOGRAMPROVIDER_H

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