de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters

Class DistanceParameter<D extends Distance<D>>

java.lang.Object

de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.AbstractParameter<DistanceParameter<D>,D>

de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.DistanceParameter<D>

Type Parameters:

D - Distance type

All Implemented Interfaces:

Parameter<D>

public class DistanceParameter<D extends Distance<D>>
extends AbstractParameter<DistanceParameter<D>,D>

Parameter class for a parameter specifying a double value.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) D	dist Distance type

Fields inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.AbstractParameter

constraints, defaultValue, givenValue, optionalParameter, optionid, shortDescription

Constructor Summary

Constructors

Constructor and Description
DistanceParameter(OptionID optionID, D dist) Constructs a double parameter with the given optionID.
DistanceParameter(OptionID optionID, D dist, boolean optional) Constructs a double parameter with the given optionID and optional flag.
DistanceParameter(OptionID optionID, D dist, D defaultValue) Constructs a double parameter with the given optionID and default value.
DistanceParameter(OptionID optionID, DistanceFunction<?,D> dist) Constructs a double parameter with the given optionID.
DistanceParameter(OptionID optionID, DistanceFunction<?,D> dist, boolean optional) Constructs a double parameter with the given optionID and optional flag.
DistanceParameter(OptionID optionID, DistanceFunction<?,D> dist, D defaultValue) Constructs a double parameter with the given optionID and default value.

Method Summary

Methods

Modifier and Type	Method and Description
String	getSyntax() Returns a string representation of the parameter's type.
String	getValueAsString() Get the value as string.
protected D	parseValue(Object obj) Parse a given value into the destination type.

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.AbstractParameter

addConstraint, getDefaultValue, getDefaultValueAsString, getFullDescription, getGivenValue, getName, getOptionID, getShortDescription, getValue, getValuesDescription, hasDefaultValue, hasValuesDescription, isDefined, isOptional, isValid, setDefaultValue, setOptional, setShortDescription, setValue, setValueInternal, tookDefaultValue, tryDefaultValue, useDefaultValue, validate

Methods inherited from class java.lang.Object

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

Field Detail

dist

D extends Distance<D> dist

Distance type

Constructor Detail

DistanceParameter

public DistanceParameter(OptionID optionID,
                 D dist,
                 D defaultValue)

Constructs a double parameter with the given optionID and default value.

Parameters:

optionID - the unique optionID

dist - distance factory

defaultValue - the default value for this double parameter

DistanceParameter

public DistanceParameter(OptionID optionID,
                 DistanceFunction<?,D> dist,
                 D defaultValue)

Constructs a double parameter with the given optionID and default value.

Parameters:

optionID - the unique optionID

dist - distance factory

defaultValue - the default value for this double parameter

DistanceParameter

public DistanceParameter(OptionID optionID,
                 D dist,
                 boolean optional)

Constructs a double parameter with the given optionID and optional flag.

Parameters:

optionID - the unique id of this parameter

dist - distance factory

optional - specifies whether this parameter is an optional parameter

DistanceParameter

public DistanceParameter(OptionID optionID,
                 DistanceFunction<?,D> dist,
                 boolean optional)

Constructs a double parameter with the given optionID and optional flag.

Parameters:

optionID - the unique id of this parameter

dist - distance factory

optional - specifies whether this parameter is an optional parameter

DistanceParameter

public DistanceParameter(OptionID optionID,
                 D dist)

Constructs a double parameter with the given optionID.

Parameters:

optionID - the unique id of this parameter

dist - distance factory

DistanceParameter

public DistanceParameter(OptionID optionID,
                 DistanceFunction<?,D> dist)

Constructs a double parameter with the given optionID.

Parameters:

optionID - the unique id of this parameter

dist - distance factory

Method Detail

getValueAsString

public String getValueAsString()

Description copied from interface: Parameter

Get the value as string. May return null

Specified by:

getValueAsString in interface Parameter<D extends Distance<D>>

Specified by:

getValueAsString in class AbstractParameter<DistanceParameter<D extends Distance<D>>,D extends Distance<D>>

Returns:

Value as string

parseValue

protected D parseValue(Object obj)
                                    throws WrongParameterValueException

Description copied from class: AbstractParameter

Parse a given value into the destination type.

Specified by:

parseValue in class AbstractParameter<DistanceParameter<D extends Distance<D>>,D extends Distance<D>>

Parameters:

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

Returns:

Parsed object

Throws:

WrongParameterValueException

getSyntax

public String getSyntax()

Returns a string representation of the parameter's type.

Specified by:

getSyntax in interface Parameter<D extends Distance<D>>

Specified by:

getSyntax in class AbstractParameter<DistanceParameter<D extends Distance<D>>,D extends Distance<D>>

Returns:

"<distance>"