#ifndef TAO_MONITOR_MONITOR_TYPES_PIDL
#define TAO_MONITOR_MONITOR_TYPES_PIDL

#include "tao/TimeBase.pidl"
#include "tao/StringSeq.pidl"

module Monitor
{
  struct DataValue
  {
    /// The number of samples currently taken into account
    TimeBase::TimeT timestamp;
    double value;
  };

  typedef string Name;
  typedef string NameFilter;
  typedef CORBA::StringSeq NameList;
  typedef sequence<DataValue> DataValueList;
  struct Numeric
  {
    DataValueList dlist;
    unsigned long count;
    double average;
    double sum_of_squares;
    double minimum;
    double maximum;
    double last;
  };
  enum DataType { DATA_NUMERIC, DATA_TEXT };
  union UData switch (DataType) {
    case DATA_NUMERIC: Numeric num;
    case DATA_TEXT: NameList list;
  };
  struct Data
  {
    Name itemname;
    UData data_union;
  };
  typedef sequence<Data> DataList;
  typedef long ConstraintId;
  typedef sequence<ConstraintId> ConstraintIdList;
  typedef string Constraint;
  struct ConstraintStruct
  {
    Name itemname;
    ConstraintId id;
  };
  typedef sequence<ConstraintStruct> ConstraintStructList;
};

#endif /* TAO_MONITOR_MONITOR_TYPES_PIDL */