ValueI Class

Extends a RawValueI with type/count.

Interface

• Create/clone Value

     virtual ValueI *clone () const = 0;
  

• Get value as text. (undefined if CtrlInfo is invalid) Will get the whole array for getCount()>1.

     virtual void getValue (stdString &result) const = 0;
  

• Access to CtrlInfoI : units, precision, limits, ...

     virtual const CtrlInfoI *getCtrlInfo () const = 0;
     virtual void setCtrlInfo (const CtrlInfoI *info);
  

• Get/set one array element as double

     virtual double getDouble (DbrCount index = 0) const = 0;
     virtual void setDouble (double value, DbrCount index = 0) = 0;
  

• Get time stamp

     const osiTime getTime () const;
     void getTime (stdString &result) const;
     void setTime (const osiTime &stamp);
     
  * Get status as raw value or string
     dbr_short_t getStat () const;
     dbr_short_t getSevr () const;
     void getStatus (stdString &result) const;
     void setStatus (dbr_short_t status, dbr_short_t severity);
  

• compare DbrType, DbrCount

     bool hasSameType (const ValueI &rhs) const;
  

• compare two Values (time stamp, status, severity, value)

     bool operator == (const ValueI &rhs) const;
     bool operator != (const ValueI &rhs) const;
  

• compare only the pure value (refer to operator ==), not the time stamp or status

     bool hasSameValue (const ValueI &rhs) const;
  

• Does this Value hold Archiver status information like disconnect and no 'real' value, so calling e.g. getDouble() makes no sense?
  Repeat counts do hold a value, so these are not recognized in here:

     bool isInfo () const;
  

• Access to contained RawValue:

     DbrType getType () const;
     void getType (stdString &type) const;
     DbrCount getCount () const;
  

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Index

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