net.i2p.router.web.SummaryListener

All Implemented Interfaces:: RateSummaryListener

public class SummaryListener
extends Object
implements RateSummaryListener

Creates and updates the in-memory or on-disk RRD database, and provides methods to generate graphs of the data

Since:: 0.6.1.13

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) static ConsolFun`	`CF`
`(package private) static DsType`	`DS`
`static int`	`MAX_ROWS`
`(package private) static int`	`PERIODS`
`static String`	`PROP_PERSISTENT`
`(package private) static String`	`RRD_DIR`	note that .jrb files are NOT compatible with .rrd files
`(package private) static String`	`RRD_PREFIX`
`(package private) static String`	`RRD_SUFFIX`

Constructor Summary

Constructors

Constructor Description

SummaryListener(Rate r)

Method Summary

Modifier and Type	Method	Description
`void`	`add(double totalValue, long eventCount, double totalEventTime, long period)`
`(package private) static String`	`createName(I2PAppContext ctx, String wanted)`	JRobin can only deal with 20 character data source names, so we need to create a unique, munged version from the user/developer-visible name.
`boolean`	`equals(Object obj)`
`(package private) RrdBackendFactory`	`getBackendFactory()`
`(package private) RrdDb`	`getData()`
`(package private) String`	`getEventName()`
`(package private) String`	`getName()`
`Rate`	`getRate()`
`(package private) int`	`getRows()`
`int`	`hashCode()`
`(package private) long`	`now()`
`void`	`renderPng(OutputStream out)`
`void`	`renderPng(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount, int end, boolean showCredit)`	Single graph.
`void`	`renderPng(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount, int end, boolean showCredit, SummaryListener lsnr2, String titleOverride)`	Single or two-data-source graph.
`boolean`	`startListening()`
`void`	`stopListening()`

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details
- PROP_PERSISTENT
  
  public static final String PROP_PERSISTENT
  
  Since:
  
  public since 0.9.33, was package private
  
  See Also:
  
  Constant Field Values
- RRD_DIR
  
  static final String RRD_DIR
  
  note that .jrb files are NOT compatible with .rrd files
  
  See Also:
  
  Constant Field Values
- RRD_PREFIX
  
  static final String RRD_PREFIX
  
  See Also:
  
  Constant Field Values
- RRD_SUFFIX
  
  static final String RRD_SUFFIX
  
  See Also:
  
  Constant Field Values
- CF
  
  static final ConsolFun CF
- DS
  
  static final DsType DS
- PERIODS
  
  static final int PERIODS
  
  See Also:
  
  Constant Field Values
- MAX_ROWS
  
  public static final int MAX_ROWS
  
  Since:
  
  public since 0.9.33, was package private
  
  See Also:
  
  Constant Field Values
Constructor Details
- SummaryListener
  
  public SummaryListener(Rate r)
Method Details
- add
  
  public void add(double totalValue, long eventCount, double totalEventTime, long period)
  
  Specified by:
  
  add in interface RateSummaryListener
  
  Parameters:
  
  totalValue - sum of all event values in the most recent period
  
  eventCount - how many events occurred
  
  totalEventTime - how long the events were running for
  
  period - how long this period is
- createName
  
  static String createName(I2PAppContext ctx, String wanted)
  
  JRobin can only deal with 20 character data source names, so we need to create a unique, munged version from the user/developer-visible name.
- getRate
  
  public Rate getRate()
- startListening
  
  public boolean startListening()
  
  Returns:
  
  success
- stopListening
  
  public void stopListening()
- renderPng
  
  public void renderPng(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount, int end, boolean showCredit) throws IOException
  
  Single graph.
  
  Parameters:
  
  end - number of periods before now
  
  Throws:
  
  IOException
- renderPng
  
  public void renderPng(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, boolean hideTitle, boolean showEvents, int periodCount, int end, boolean showCredit, SummaryListener lsnr2, String titleOverride) throws IOException
  
  Single or two-data-source graph.
  
  Parameters:
  
  lsnr2 - 2nd data source to plot on same graph, or null. Not recommended for events.
  
  titleOverride - If non-null, overrides the title
  
  Throws:
  
  IOException
  
  Since:
  
  0.9.6
- renderPng
  
  public void renderPng(OutputStream out) throws IOException
  
  Throws:
  
  IOException
- getName
  
  String getName()
- getEventName
  
  String getEventName()
- getData
  
  RrdDb getData()
- now
  
  long now()
- getBackendFactory
  
  RrdBackendFactory getBackendFactory()
  
  Since:
  
  0.9.46
- getRows
  
  int getRows()
  
  Since:
  
  0.8.7
- equals
  
  public boolean equals(Object obj)
  
  Overrides:
  
  equals in class Object
- hashCode
  
  public int hashCode()
  
  Overrides:
  
  hashCode in class Object

Class SummaryListener

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

Constructor Details

Method Details