Class LongParameter
- java.lang.Object
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- elki.utilities.optionhandling.parameters.AbstractParameter<P,T>
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- elki.utilities.optionhandling.parameters.NumberParameter<LongParameter,java.lang.Long>
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- elki.utilities.optionhandling.parameters.LongParameter
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- 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
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Field Summary
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Fields inherited from class elki.utilities.optionhandling.parameters.AbstractParameter
constraints, defaultValue, givenValue, optionalParameter, optionid
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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.
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Method Summary
All Methods Instance Methods Concrete Methods 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
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Constructor Detail
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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 parameterdefaultValue
- the default value
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LongParameter
public LongParameter(OptionID optionID)
Constructs a long parameter with the given optionID.- Parameters:
optionID
- the unique OptionID for this parameter
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Method Detail
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getValueAsString
public java.lang.String getValueAsString()
Description copied from interface:Parameter
Get the value as string. May returnnull
- Returns:
- Value as string
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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 classAbstractParameter<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.
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getSyntax
public java.lang.String getSyntax()
Returns a string representation of the parameter's type.- Returns:
- "<long>"
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grab
public boolean grab(Parameterization config, java.util.function.LongConsumer consumer)
Get the parameter.- Parameters:
config
- Parameterizationconsumer
- Output consumer- Returns:
true
if valid
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