PDef (Javadocs [I2P+ 2.13.0+] - API Version 0.9.70+)

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java.lang.Object
- org.rrd4j.data.Source
- - org.rrd4j.data.PDef

All Implemented Interfaces:
NonRrdSource
```
class PDef
extends Source
implements NonRrdSource
```
RRD PDEF (Plottable Data Source Definition) implementation.
Creates data sources from plottable objects that can provide values based on timestamps.

Field Summary
- Fields inherited from class org.rrd4j.data.Source
  timestamps, values

Constructor Summary
Constructors
Constructor and Description
PDef(String name, IPlottable plottable2)
Creates a new PDef instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`calculate(long tStart, long tEnd, DataProcessor dataProcessor)` Calculates values for the specified time range.

Methods inherited from class org.rrd4j.data.Source
getName, getTimestamps, getValues, setTimestamps, setValues

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PDef
```
PDef(String name,
     IPlottable plottable2)
```
    Creates a new PDef instance.
    Parameters:
    name - the name of the data source
    plottable2 - the plottable object to provide values
- Method Detail
  - calculate
```
public void calculate(long tStart,
                      long tEnd,
                      DataProcessor dataProcessor)
```
    Calculates values for the specified time range.
    Specified by:
    calculate in interface NonRrdSource
    Parameters:
    tStart - start time for calculation
    tEnd - end time for calculation
    dataProcessor - DataProcessor object for accessing other data sources

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