Uses of Package org.rrd4j.data

Package

Description

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.core.jrrd

This package provides read-only access to natives RRD file.

org.rrd4j.data

RRD4J data management classes and interfaces.
Provides data sources, processors, aggregators, and utilities for Round Robin Database (RRD) operations and calculations.

org.rrd4j.graph

RRD4J graph capabilities.

Classes in org.rrd4j.data used by org.rrd4j
Class
Description
Variable
Abstract class for extracting single values from data sets (VDEF in rrdtool).
Provides statistical calculations on RRD values and supports custom computation methods for advanced data processing.
Classes in org.rrd4j.data used by org.rrd4j.core
Class
Description
DataProcessor
Class which should be used for all calculations based on the data fetched from RRD files.
IPlottable
Interface for custom data sources used in RRD graphs.
Implement this interface to create custom datasources that can be passed to RrdGraphDef for graphing operations.
Variable
Abstract class for extracting single values from data sets (VDEF in rrdtool).
Provides statistical calculations on RRD values and supports custom computation methods for advanced data processing.
Classes in org.rrd4j.data used by org.rrd4j.core.jrrd
Class
Description
IPlottable
Interface for custom data sources used in RRD graphs.
Implement this interface to create custom datasources that can be passed to RrdGraphDef for graphing operations.
Classes in org.rrd4j.data used by org.rrd4j.data
Class
Description
DataProcessor
Class which should be used for all calculations based on the data fetched from RRD files.
Def
RRD DEF (Data Source Definition) implementation.
Represents a data source defined in an RRD file with specific name, consolidation function, and backend configuration.
IPlottable
Interface for custom data sources used in RRD graphs.
Implement this interface to create custom datasources that can be passed to RrdGraphDef for graphing operations.
LinearInterpolator.Method
A enumeration of interpolation methods
NonRrdSource
Interface for non-RRD data sources.
Represents computed or derived data sources that don't directly reference RRD data but calculate values from other sources.
Plottable
Deprecated.
Use implementations of IPlottable instead
RpnCalculator
Reverse Polish Notation (RPN) expression calculator.
Evaluates mathematical expressions on RRD data sources using RPN notation for efficient computation.
RpnCalculator.RpnStack
RpnStack class.
RpnCalculator.State
State class.
RpnCalculator.Token
Token class.
RpnCalculator.Token_Symbol
Token_Symbol class.
Source
Abstract base class for RRD data sources.
Provides common functionality for storing and managing time-series data with timestamps and values.
Variable
Abstract class for extracting single values from data sets (VDEF in rrdtool).
Provides statistical calculations on RRD values and supports custom computation methods for advanced data processing.
Variable.PercentElem
Store all the informations about a datasource point, for predictive and consistent sorting
Variable.PERCENTILE
Find the point at the n-th percentile.
Variable.Value
This class store both the value and the time stamp It will be used by graph rendering legend
Classes in org.rrd4j.data used by org.rrd4j.graph
Class
Description
DataProcessor
Class which should be used for all calculations based on the data fetched from RRD files.
IPlottable
Interface for custom data sources used in RRD graphs.
Implement this interface to create custom datasources that can be passed to RrdGraphDef for graphing operations.
Variable
Abstract class for extracting single values from data sets (VDEF in rrdtool).
Provides statistical calculations on RRD values and supports custom computation methods for advanced data processing.