Packages that use Source
Package
Description
org.rrd4j.data
RRD4J data management classes and interfaces.
Provides data sources, processors, aggregators, and utilities for Round Robin Database (RRD) operations and calculations.

  • Uses of Source in org.rrd4j.data

    Subclasses of Source in org.rrd4j.data
    Modifier and Type
    Class
    Description
    (package private) class 
    CDef
    RRD CDEF (Computed Data Source Definition) implementation.
    Creates computed data sources using Reverse Polish Notation (RPN) expressions on existing data sources.
    (package private) class 
    Def
    RRD DEF (Data Source Definition) implementation.
    Represents a data source defined in an RRD file with specific name, consolidation function, and backend configuration.
    (package private) class 
    PDef
    RRD PDEF (Plottable Data Source Definition) implementation.
    Creates data sources from plottable objects that can provide values based on timestamps.
    (package private) class 
    VDef
    RRD VDEF (Variable Definition) implementation.
    Creates computed data sources by applying aggregation functions to existing data sources.
    Fields in org.rrd4j.data with type parameters of type Source
    Modifier and Type
    Field
    Description
    private final Map<String,Source>
    DataProcessor.sources
    Sources by name, in insertion order - a plain HashMap would lose that order.
    Methods in org.rrd4j.data that return Source
    Modifier and Type
    Method
    Description
    (package private) Source
    DataProcessor.getSource(String sourceName)
    Datasource name @return the matching Source.
    Methods in org.rrd4j.data with parameters of type Source
    Modifier and Type
    Method
    Description
    (package private) void
    Variable.calculate(Source s, long start, long end)
    Used to calculate the needed value from a source, this method call the abstract method Variable.fill(long[], double[], long, long).