Package org.rrd4j.data
RRD4J data management.
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Interface Summary Interface Description IPlottable Interface to be used for custom datasources.NonRrdSource -
Class Summary Class Description Aggregates Deprecated. This class is deprecated.Aggregator CDef CubicSplineInterpolator Class used to interpolate datasource values from the collection of (timestamp, values) points using natural cubic spline interpolation.DataProcessor Class which should be used for all calculations based on the data fetched from RRD files.Def LinearInterpolator Class used to interpolate datasource values from the collection of (timestamp, values) points.Normalizer PDef Plottable Deprecated. use implementations ofIPlottableinsteadRpnCalculator Source Variable An abstract class to help extract single value from a set of value (VDEF in rrdtool) It can be used to add new fancy statistical calculation with rrd valuesVariable.AVERAGE Calculate the average of the data points.Variable.ComparPercentElemen The sort used by rrdtool for percent, where NaN < -INF < finite values < INFVariable.FIRST Find the first valid data point and it's timestampVariable.LAST Find the first last valid point and it's timestampVariable.LSLCORREL Calculate the correlation coefficient of the least squares line.Variable.LSLINT Calculate the y-intercept of the least squares line.Variable.LSLSLOPE Calculate the slop of the least squares line.Variable.MAX The biggest of the data points and it's time stamp (the first one) is stored.Variable.MIN The smallest of the data points and it's time stamp (the first one) is stored.Variable.PercentElem Store all the informations about a datasource point, for predictive and consistent sortingVariable.PERCENTILE Find the point at the n-th percentile.Variable.PERCENTILENAN Variable.STDDEV Calculate the standard deviation for the data point.Variable.TOTAL Calculate the sum of the data points.Variable.Value This class store both the value and the time stamp It will be used by graph rendering legendVDef -
Enum Summary Enum Description LinearInterpolator.Method A enumeration of interpolation methods