Header (I2P Anonymous Network - Java Documentation - Version 1.5.0)

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

All Implemented Interfaces:

Constants
```
public class Header
extends Object
implements Constants
```
Instances of this class model the header section of an RRD file.

Version:

$Revision: 1.1 $

Author:

Ciaran Treanor

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) int`	`dsCount`	Number of data sources
`(package private) int`	`pdpStep`
`(package private) int`	`rraCount`	Number of archives within file
`(package private) String`	`version`

Fields inherited from interface org.rrd4j.core.jrrd.Constants
CF_NAM_SIZE, COOKIE, DS_NAM_SIZE, DST_SIZE, LAST_DS_LEN, MAX_SUPPORTED_VERSION, SIZE_OF_DOUBLE, UNDEFINED_VERSION, UNDEFINED_VERSION_AS_INT, VERSION_WITH_LAST_UPDATE_SEC

Constructor Summary

Constructors
Constructor Description

Header(RRDFile file)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getDSCount()`	Returns the number of `DataSource`s in the database.
`int`	`getPDPStep()`	Returns the primary data point interval in seconds.
`int`	`getRRACount()`	Returns the number of `Archive`s in the database.
`String`	`getVersion()`	Returns the version of the database.
`int`	`getVersionAsInt()`	Returns the version of the database as an integer.
`String`	`toString()`	Returns a summary the contents of this header.

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

- Field Detail
  - version
```
final String version
```
  - dsCount
```
final int dsCount
```
    Number of data sources
  - rraCount
```
final int rraCount
```
    Number of archives within file
  - pdpStep
```
final int pdpStep
```
- Constructor Detail
  - Header
```
Header(RRDFile file)
throws IOException
```
    Throws:
    
    IOException
- Method Detail
  - getVersion
```
public String getVersion()
```
    Returns the version of the database.
    
    Returns:
    
    the version of the database.
  - getVersionAsInt
```
public int getVersionAsInt()
```
    Returns the version of the database as an integer.
    
    Returns:
    
    the version of the database.
  - getDSCount
```
public int getDSCount()
```
    Returns the number of DataSources in the database.
    
    Returns:
    
    the number of DataSources in the database.
  - getRRACount
```
public int getRRACount()
```
    Returns the number of Archives in the database.
    
    Returns:
    
    the number of Archives in the database.
  - getPDPStep
```
public int getPDPStep()
```
    Returns the primary data point interval in seconds.
    
    Returns:
    
    the primary data point interval in seconds.
  - toString
```
public String toString()
```
    Returns a summary the contents of this header.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    a summary of the information contained in this header.