Uses of Class
org.rrd4j.data.Variable

Packages that use Variable

Package	Description
org.rrd4j	RRD4J is a high performance data logging and graphing system for time series data, implementing RRDTool's functionality in Java.
org.rrd4j.core	core RRD4J implementation.
org.rrd4j.data	RRD4J data management.
org.rrd4j.graph	RRD4J graph capabilities.

Uses of Variable in org.rrd4j

Methods in org.rrd4j that return Variable

Modifier and Type	Method	Description
abstract Variable	ConsolFun.getVariable()

Uses of Variable in org.rrd4j.core

Methods in org.rrd4j.core with parameters of type Variable

Modifier and Type	Method	Description
void	DataHolder.datasource(String name, String defName, Variable var)	Creates a datasource that performs a variable calculation on an another named datasource to yield a single combined timestamp/value.

Uses of Variable in org.rrd4j.data

Subclasses of Variable in org.rrd4j.data

Modifier and Type	Class	Description
static class	Variable.AVERAGE	Calculate the average of the data points.
static class	Variable.FIRST	Find the first valid data point and it's timestamp
static class	Variable.LAST	Find the first last valid point and it's timestamp
static class	Variable.LSLCORREL	Calculate the correlation coefficient of the least squares line.
static class	Variable.LSLINT	Calculate the y-intercept of the least squares line.
static class	Variable.LSLSLOPE	Calculate the slop of the least squares line.
static class	Variable.MAX	The biggest of the data points and it's time stamp (the first one) is stored.
static class	Variable.MIN	The smallest of the data points and it's time stamp (the first one) is stored.
static class	Variable.PERCENTILE	Find the point at the n-th percentile.
static class	Variable.PERCENTILENAN
static class	Variable.STDDEV	Calculate the standard deviation for the data point.
static class	Variable.TOTAL	Calculate the sum of the data points.

Methods in org.rrd4j.data with parameters of type Variable

Modifier and Type	Method	Description
void	DataProcessor.addDatasource(String name, String defName, Variable var)	Deprecated. Uses DataProcessor.datasource(String, String, Variable) instead.
void	DataProcessor.datasource(String name, String defName, Variable var)	Creates a datasource that performs a variable calculation on an another named datasource to yield a single combined timestamp/value.
Variable.Value	DataProcessor.getVariable(String sourceName, Variable var)	Returns single aggregated value for a single datasource.

Constructors in org.rrd4j.data with parameters of type Variable

Constructor	Description
VDef(String name, String defName, Variable aggr)

Uses of Variable in org.rrd4j.graph

Methods in org.rrd4j.graph with parameters of type Variable

Modifier and Type	Method	Description
void	RrdGraphDef.datasource(String name, String defName, Variable var)	Creates a datasource that performs a variable calculation on an another named datasource to yield a single combined timestamp/value.

Constructors in org.rrd4j.graph with parameters of type Variable

Constructor	Description
VDef(String name, String defName, Variable var)