private void accumulate(ArcState state, double value)
{
if (Double.IsNaN(value))
{
state.setNanSteps(state.getNanSteps() + 1);
}
else
{
ConsolFun cf = new ConsolFun(ConsolFun.ValueOf(consolFun.get()));
switch (cf.CSType)
{
case ConsolFun.ConsolFunTypes.MIN:
state.setAccumValue(Util.min(state.getAccumValue(), value));
break;
case ConsolFun.ConsolFunTypes.MAX:
state.setAccumValue(Util.max(state.getAccumValue(), value));
break;
case ConsolFun.ConsolFunTypes.LAST:
state.setAccumValue(value);
break;
case ConsolFun.ConsolFunTypes.AVERAGE:
state.setAccumValue(Util.sum(state.getAccumValue(), value));
break;
case ConsolFun.ConsolFunTypes.TOTAL:
state.setAccumValue(Util.sum(state.getAccumValue(), value));
break;
}
}
}
/**
* Adds single archive to RRD definition from a RRDTool-like
* archive definition string. The string must have five elements separated with colons
* (:) in the following order:<p>
* <pre>
* RRA:consolidationFunction:XFilesFactor:steps:rows
* </pre>
* For example:</p>
* <pre>
* RRA:AVERAGE:0.5:10:1000
* </pre>
* For more information on archive definition parameters see <code>rrdcreate</code>
* man page.<p>
* @param rrdToolArcDef Archive definition string with the syntax borrowed from RRDTool.
* @throws ArgumentException Thrown if invalid string is supplied.
*/
public void addArchive(String rrdToolArcDef)
{
String[] tokens = rrdToolArcDef.Split(':');
if (tokens.Length != 5)
{
throw new ArgumentException("Wrong rrdtool-like archive definition: " + rrdToolArcDef);
}
if (tokens[0].ToUpper().CompareTo("RRA") != 0)
{
throw new ArgumentException("Wrong rrdtool-like archive definition: " + rrdToolArcDef);
}
ConsolFun consolFun = new ConsolFun(ConsolFun.ValueOf(tokens[1]));
double xff;
try
{
xff = Double.Parse(tokens[2]);
}
catch (FormatException nfe)
{
throw new ArgumentException("Wrong rrdtool-like archive definition: " + rrdToolArcDef, nfe);
}
int steps;
try
{
steps = int.Parse(tokens[3]);
}
catch (FormatException nfe)
{
throw new ArgumentException("Wrong rrdtool-like archive definition: " + rrdToolArcDef, nfe);
}
int rows;
try
{
rows = int.Parse(tokens[4]);
}
catch (FormatException nfe)
{
throw new ArgumentException("Wrong rrdtool-like archive definition: " + rrdToolArcDef, nfe);
}
addArchive(new ArcDef(consolFun, xff, steps, rows));
}
/**
* Returns archive consolidation function ("AVERAGE", "MIN", "MAX" or "LAST").
*
* @return Archive consolidation function.
* @Thrown in case of I/O error.
*/
public ConsolFun getConsolFun()
{
return(new ConsolFun(ConsolFun.ValueOf(consolFun.get())));
}