/data/refman/pasoursint/CMSSW_5_3_0/src/EventFilter/StorageManager/interface/StateMachineMonitorCollection.h

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// $Id: StateMachineMonitorCollection.h,v 1.8 2011/03/07 15:31:32 mommsen Exp $

#ifndef EventFilter_StorageManager_StateMachineMonitorCollection_h
#define EventFilter_StorageManager_StateMachineMonitorCollection_h

#include <ostream>
#include <string>

#include "xdata/String.h"

#include "EventFilter/StorageManager/interface/MonitorCollection.h"
#include "EventFilter/StorageManager/interface/TransitionRecord.h"


namespace stor {

  class StateMachineMonitorCollection : public MonitorCollection
  {

  public:

    explicit StateMachineMonitorCollection(const utils::Duration_t& updateInterval);

    void updateHistory(const TransitionRecord&);

    typedef std::vector<TransitionRecord> History;
    void getHistory(History&) const;

    void dumpHistory(std::ostream&) const;

    void setExternallyVisibleState( const std::string& );

    const std::string& externallyVisibleState() const;

    void setStatusMessage( const std::string& );

    void clearStatusMessage();

    bool statusMessage( std::string& msg ) const;

    std::string innerStateName() const;

  private:

    //Prevent copying of the StateMachineMonitorCollection
    StateMachineMonitorCollection(StateMachineMonitorCollection const&);
    StateMachineMonitorCollection& operator=(StateMachineMonitorCollection const&);

    virtual void do_calculateStatistics();
    virtual void do_reset();
    virtual void do_appendInfoSpaceItems(InfoSpaceItems&);
    virtual void do_updateInfoSpaceItems();

    History history_;
    std::string externallyVisibleState_;
    mutable boost::mutex stateMutex_;

    std::string statusMessage_;

    xdata::String stateName_;

  };
  
} // namespace stor

#endif // EventFilter_StorageManager_StateMachineMonitorCollection_h