kieker.tools.util
Class RBridgeControl

java.lang.Object
  kieker.tools.util.RBridgeControl

public final class RBridgeControl
extends Object

Since:

1.10

Author:

Tillmann Carlos Bielefeld

Method Summary

void	assign(String variable, double[] values)
void	assign(String variable, Double[] values)
void	assign(String variable, Long[] values)
double	eDbl(String input)
double[]	eDblArr(String input)
String	eString(String input)
Object	evalWithR(String input) Wraps the execution of an arbitrary R expression.
static RBridgeControl	getInstance() Delivers the singleton instance of this class.
void	toTS(String variable)
void	toTS(String variable, long frequency)
static String	uniqueVarname() Returns a globally unique variable name, even during the access of multiple threads.

Methods inherited from class java.lang.Object

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

Method Detail

evalWithR

public Object evalWithR(String input)

Wraps the execution of an arbitrary R expression. Both errors and results are logged.

Parameters:

input - The R expression to evaluate.

Returns:

The result or the error of the evaluation of the given R expression. The method tries to convert it into a string, if possible.

toTS

public void toTS(String variable)

Parameters:

variable - variable to R

toTS

public void toTS(String variable,
                 long frequency)

Parameters:

variable - variable to R

frequency - frequency to R

eDbl

public double eDbl(String input)

Parameters:

input - string

Returns:

-666.666 error, else dbvalue

eString

public String eString(String input)

Parameters:

input - inputstring

Returns:

Rdata

eDblArr

public double[] eDblArr(String input)

Parameters:

input - inputstring

Returns:

Rdata

assign

public void assign(String variable,
                   double[] values)

Parameters:

variable - string

values - assign value

assign

public void assign(String variable,
                   Double[] values)

Parameters:

variable - string

values - assign vaules

assign

public void assign(String variable,
                   Long[] values)

Parameters:

variable - string

values - assign vaules

uniqueVarname

public static String uniqueVarname()

Returns a globally unique variable name, even during the access of multiple threads.

Returns:

A unique variable name of the form var_1, var_2, ....

getInstance

public static final RBridgeControl getInstance()

Delivers the singleton instance of this class.

Returns:

The singleton instance.