Uses of Class
org.rrd4j.data.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.
|
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Uses of Variable in org.rrd4j
Methods in org.rrd4j that return Variable Modifier and Type Method Description abstract VariableConsolFun. getVariable() -
Uses of Variable in org.rrd4j.core
Methods in org.rrd4j.core with parameters of type Variable Modifier and Type Method Description voidDataHolder. 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 classVariable.AVERAGECalculate the average of the data points.static classVariable.FIRSTFind the first valid data point and it's timestampstatic classVariable.LASTFind the first last valid point and it's timestampstatic classVariable.LSLCORRELCalculate the correlation coefficient of the least squares line.static classVariable.LSLINTCalculate the y-intercept of the least squares line.static classVariable.LSLSLOPECalculate the slop of the least squares line.static classVariable.MAXThe biggest of the data points and it's time stamp (the first one) is stored.static classVariable.MINThe smallest of the data points and it's time stamp (the first one) is stored.static classVariable.PERCENTILEFind the point at the n-th percentile.static classVariable.PERCENTILENANstatic classVariable.STDDEVCalculate the standard deviation for the data point.static classVariable.TOTALCalculate the sum of the data points.Methods in org.rrd4j.data with parameters of type Variable Modifier and Type Method Description voidDataProcessor. addDatasource(String name, String defName, Variable var)Deprecated.UsesDataProcessor.datasource(String, String, Variable)instead.voidDataProcessor. 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.ValueDataProcessor. getVariable(String sourceName, Variable var)Returns single aggregated value for a single datasource. -
Uses of Variable in org.rrd4j.graph
Methods in org.rrd4j.graph with parameters of type Variable Modifier and Type Method Description voidRrdGraphDef. 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.