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

java.lang.Object
- org.rrd4j.core.jrrd.DataChunk

```
public class DataChunk
extends Object
```
Models a chunk of result data from an RRDatabase.
Version:
$Revision: 1.1 $

Field Summary

Fields
Modifier and Type	Field and Description
`(package private) double[][]`	`data` The data values
`(package private) int`	`dsCount` Number of datasources must be equal to number of datasources in file
`(package private) int`	`endOffset` Row number offset relative to current row
`(package private) int`	`startOffset` Row number offset relative to current row.

Constructor Summary
Constructors
Constructor and Description
DataChunk(Map<String,Integer> nameindex, long startTime, int startOffset, int endOffset, long step, int dsCount, int rows)

Constructors
Constructor and Description
`DataChunk(Map<String,Integer> nameindex, long startTime, int startOffset, int endOffset, long step, int dsCount, int rows)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double[][]`	`getData()` Getter for the field `data`.
`int`	`getDsCount()` getDsCount.
`int`	`getEnd()` getEnd.
`int`	`getStart()` getStart.
`long`	`getStep()` getStep.
`long[]`	`getTimestamps()` Getter for the time stamps values.
`IPlottable`	`toPlottable(String name)` Extract a datasource from the datachunck given is name as a Plottable
`String`	`toString()` Returns a summary of the contents of this data chunk.

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

- Field Detail
  - data
```
final double[][] data
```
    The data values
  - dsCount
```
final int dsCount
```
    Number of datasources must be equal to number of datasources in file
  - endOffset
```
final int endOffset
```
    Row number offset relative to current row
  - startOffset
```
final int startOffset
```
    Row number offset relative to current row. Can be negative
- Constructor Detail
  - DataChunk
```
DataChunk(Map<String,Integer> nameindex,
          long startTime,
          int startOffset,
          int endOffset,
          long step,
          int dsCount,
          int rows)
```
- Method Detail
  - getData
```
public double[][] getData()
```
    Getter for the field data.
    Returns:
    the data
  - getDsCount
```
public int getDsCount()
```
    getDsCount.
  - getEnd
```
public int getEnd()
```
    getEnd.
  - getStart
```
public int getStart()
```
    getStart.
  - getStep
```
public long getStep()
```
    getStep.
  - getTimestamps
```
public long[] getTimestamps()
```
    Getter for the time stamps values.
    Returns:
    array of time stamps in seconds
  - toPlottable
```
public IPlottable toPlottable(String name)
```
    Extract a datasource from the datachunck given is name as a Plottable
    Parameters:
    name - the datasource name
    Returns:
    a plottable for the datasource
  - toString
```
public String toString()
```
    Returns a summary of the contents of this data chunk. The first column is the time (RRD format) and the following columns are the data source values.
    Overrides:
    toString in class Object
    Returns:
    a summary of the contents of this data chunk.

Class DataChunk

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

data

dsCount

endOffset

startOffset

Constructor Detail

DataChunk

Method Detail

getData

getDsCount

getEnd

getStart

getStep

getTimestamps

toPlottable

toString