org.rrd4j.core

Class RrdDoubleMatrix<U extends RrdUpdater<U>>

java.lang.Object

org.rrd4j.core.RrdPrimitive<U>

org.rrd4j.core.RrdDoubleMatrix<U>

Type Parameters:

U - The type of RrdUpdater this primitive belongs to

class RrdDoubleMatrix<U extends RrdUpdater<U>>
extends RrdPrimitive<U>

RRD primitive type for handling matrices of double values.

This class provides methods to store and retrieve two-dimensional matrices of double values in RRD files. It organizes data in a row-column format and provides efficient access to individual elements and ranges.

Field Summary

Fields inherited from class org.rrd4j.core.RrdPrimitive

RRD_DOUBLE, RRD_INT, RRD_LONG, RRD_PRIM_SIZES, RRD_STRING, STRING_LENGTH

Constructor Summary

Constructors

Constructor and Description
RrdDoubleMatrix(RrdUpdater<U> updater, int row, int column, boolean shouldInitialize)

Method Summary

Modifier and Type	Method and Description
(package private) double	get(int column, int index)
(package private) double[]	get(int column, int index, int count)
int	getColumns() Getter for the field columns.
int	getRows() Getter for the field rows.
(package private) void	set(int column, int index, double value)
void	set(int column, int index, double[] newValues) set.
(package private) void	set(int column, int index, double value, int count)

Methods inherited from class org.rrd4j.core.RrdPrimitive

isCachingAllowed, readBytes, readDouble, readDouble, readDouble, readEnum, readInt, readLong, readString, writeBytes, writeDouble, writeDouble, writeDouble, writeDouble, writeEnum, writeInt, writeLong, writeString

Methods inherited from class java.lang.Object

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

Constructor Detail

RrdDoubleMatrix

RrdDoubleMatrix(RrdUpdater<U> updater,
                int row,
                int column,
                boolean shouldInitialize)
         throws IOException

Throws:

IOException

Method Detail

get

double get(int column,
           int index)
    throws IOException

Throws:

IOException

get

double[] get(int column,
             int index,
             int count)
      throws IOException

Throws:

IOException

getColumns

public int getColumns()

Getter for the field columns.

Returns:

a int.

getRows

public int getRows()

Getter for the field rows.

Returns:

a int.

set

void set(int column,
         int index,
         double value)
  throws IOException

Throws:

IOException

set

public void set(int column,
                int index,
                double[] newValues)
         throws IOException

set.

Parameters:

column - a int.

index - a int.

newValues - an array of double.

Throws:

IOException - if any.

set

void set(int column,
         int index,
         double value,
         int count)
  throws IOException

Throws:

IOException