public long getTimeStamp(AggregateFunction.Type aggregateFunction)
{
switch (aggregateFunction)
{
case AggregateFunction.Type.AVERAGE:
return(LastTimeStamp);
case AggregateFunction.Type.FIRST:
return(FirstTimeStamp);
case AggregateFunction.Type.LAST:
return(LastTimeStamp);
case AggregateFunction.Type.MAX:
return(MaxTimeStamp);
case AggregateFunction.Type.MIN:
return(MinTimeStamp);
case AggregateFunction.Type.TOTAL:
return(LastTimeStamp);
}
throw new ArgumentException("Unknown aggregate function: " + aggregateFunction);
}
/**
* Returns single aggregated value for the give consolidation function
*
* @param aggregateFunction Aggregate function: MIN, MAX, FIRST, LAST, AVERAGE, TOTAL. These constanst
* are conveniently defined in the {@link rrd4n.Common.AggregateFunction ConsolFun} interface.
*
* @return Aggregated value
*
* @throws ArgumentException Thrown if unsupported consolidation function is supplied
*/
public double getAggregate(AggregateFunction.Type aggregateFunction)
{
switch (aggregateFunction)
{
case AggregateFunction.Type.AVERAGE:
return(average);
case AggregateFunction.Type.FIRST:
return(first);
case AggregateFunction.Type.LAST:
return(last);
case AggregateFunction.Type.MAX:
return(max);
case AggregateFunction.Type.MIN:
return(min);
case AggregateFunction.Type.TOTAL:
return(total);
}
throw new ArgumentException("Unknown aggregate function: " + aggregateFunction);
}
public DatatSDef(String name, String defName, AggregateFunction.Type aggregateFunction)
: base(name)
{
DefName = defName;
AggregateFunction = aggregateFunction;
}
/**
* <p>Adds static source (<b>SDEF</b>). Static sources are the result of a consolidation function applied
* to *any* other source that has been defined previously.</p>
*
* @param name source name.
* @param defName Name of the datasource to calculate the value from.
* @param consolFun Consolidation function to use for value calculation
*/
public void addDatasource(String name, String defName, AggregateFunction.Type aggregateFunction)
{
sources.Add(new DatatSDef(name, defName, aggregateFunction));
}
/**
* Creates a new (static) virtual datasouce. The value of the datasource is constant. This value is
* evaluated by applying the given consolidation function to another virtual datasource.
*
* @param name Source name
* @param defName Other source name
* @param consolFun Consolidation function to be applied to other datasource.
*/
public void datasource(String name, String defName, AggregateFunction.Type function)
{
sources.Add(new SDef(name, defName, function));
}
public SDef(String name, String defName, AggregateFunction.Type function)
: base(name)
{
this.defName = defName;
this.aggregateFunction = function;
}
public DatatSDef(String name, String defName, AggregateFunction.Type aggregateFunction)
: base(name)
{
DefName = defName;
AggregateFunction = aggregateFunction;
}
