Package elki.utilities.optionhandling.parameters

Class DoubleListParameter

java.lang.Object

elki.utilities.optionhandling.parameters.AbstractParameter<P,T>

elki.utilities.optionhandling.parameters.ListParameter<DoubleListParameter,double[]>

elki.utilities.optionhandling.parameters.DoubleListParameter

All Implemented Interfaces:

Parameter<double[]>

public class DoubleListParameter
extends ListParameter<DoubleListParameter,double[]>

Parameter class for a parameter specifying a list of double values.

Since:

0.1

Author:

Steffi Wanka, Erich Schubert

Field Summary

Fields inherited from class elki.utilities.optionhandling.parameters.ListParameter

LIST_SEP, SPLIT, VECTOR_SEP, VECTOR_SPLIT

Fields inherited from class elki.utilities.optionhandling.parameters.AbstractParameter

constraints, defaultValue, givenValue, optionalParameter, optionid

Constructor Summary

Constructors

Constructor	Description
DoubleListParameter(OptionID optionID)	Constructs a list parameter with the given optionID.

Method Summary

Modifier and Type	Method	Description
java.lang.String	getDefaultValueAsString()	Get the default value as string.
java.lang.String	getSyntax()	Returns a string representation of the parameter's type.
java.lang.String	getValueAsString()	Get the value as string.
boolean	grab(Parameterization config, java.util.function.Consumer<double[]> consumer)	Get the parameter.
protected double[]	parseValue(java.lang.Object obj)	Parse a given value into the destination type.
int	size()	Size of the list.

Methods inherited from class elki.utilities.optionhandling.parameters.AbstractParameter

addConstraint, describeValues, getConstraints, getDefaultValue, getOptionID, getValue, hasDefaultValue, isDefined, isOptional, isValid, setDefaultValue, setOptional, setValue, setValueInternal, tookDefaultValue, tryDefaultValue, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleListParameter

public DoubleListParameter(OptionID optionID)

Constructs a list parameter with the given optionID.

Parameters:

optionID - Option ID

Method Detail

getValueAsString

public java.lang.String getValueAsString()

Description copied from interface: Parameter

Get the value as string. May return null

Returns:

Value as string

getDefaultValueAsString

public java.lang.String getDefaultValueAsString()

Description copied from interface: Parameter

Get the default value as string.

Specified by:

getDefaultValueAsString in interface Parameter<double[]>

Overrides:

getDefaultValueAsString in class AbstractParameter<DoubleListParameter,double[]>

Returns:

default value

parseValue

protected double[] parseValue(java.lang.Object obj)
                       throws ParameterException

Description copied from class: AbstractParameter

Parse a given value into the destination type.

Specified by:

parseValue in class AbstractParameter<DoubleListParameter,double[]>

Parameters:

obj - Object to parse (may be a string representation!)

Returns:

Parsed object

Throws:

ParameterException - when the object cannot be parsed.

size

public int size()

Description copied from class: ListParameter

Size of the list.

Specified by:

size in class ListParameter<DoubleListParameter,double[]>

Returns:

Size

getSyntax

public java.lang.String getSyntax()

Returns a string representation of the parameter's type.

Returns:

"<double_1,...,double_n>"

grab

public boolean grab(Parameterization config,
                    java.util.function.Consumer<double[]> consumer)

Get the parameter.

Parameters:

config - Parameterization

consumer - Output consumer

Returns:

true if valid;