Package elki.utilities.optionhandling.parameters

Class LongParameter

java.lang.Object

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

elki.utilities.optionhandling.parameters.NumberParameter<LongParameter,java.lang.Long>

elki.utilities.optionhandling.parameters.LongParameter

All Implemented Interfaces:

Parameter<java.lang.Long>

public class LongParameter
extends NumberParameter<LongParameter,java.lang.Long>

Parameter class for a parameter specifying a long value.

Since:

0.3

Author:

Steffi Wanka, Erich Schubert

Field Summary

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

constraints, defaultValue, givenValue, optionalParameter, optionid

Constructor Summary

Constructors

Constructor	Description
LongParameter(OptionID optionID)	Constructs a long parameter with the given optionID.
LongParameter(OptionID optionID, long defaultValue)	Constructs a long parameter with the given optionID and default value.

Method Summary

Modifier and Type	Method	Description
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.LongConsumer consumer)	Get the parameter.
protected java.lang.Long	parseValue(java.lang.Object obj)	Parse a given value into the destination type.

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

addConstraint, describeValues, getConstraints, getDefaultValue, getDefaultValueAsString, 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

LongParameter

public LongParameter(OptionID optionID,
                     long defaultValue)

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

Parameters:

optionID - the unique OptionID for this parameter

defaultValue - the default value

LongParameter

public LongParameter(OptionID optionID)

Constructs a long parameter with the given optionID.

Parameters:

optionID - the unique OptionID for this parameter

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

parseValue

protected java.lang.Long 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<LongParameter,java.lang.Long>

Parameters:

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

Returns:

Parsed object

Throws:

ParameterException - when the object cannot be parsed.

getSyntax

public java.lang.String getSyntax()

Returns a string representation of the parameter's type.

Returns:

"<long>"

grab

public boolean grab(Parameterization config,
                    java.util.function.LongConsumer consumer)

Get the parameter.

Parameters:

config - Parameterization

consumer - Output consumer

Returns:

true if valid