Package jebl.util
Enum Class MaybeBoolean
- All Implemented Interfaces:
Serializable
,Comparable<MaybeBoolean>
,Constable
A tri-state boolean value that can also be "Maybe" besides True and False.
- Version:
- $Id: MaybeBoolean.java 744 2007-07-30 02:57:11Z twobeers $ Created on 30/07/2007 14:15:09
- Author:
- Tobias Thierer
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum Constants -
Method Summary
Modifier and TypeMethodDescriptionstatic Boolean
static MaybeBoolean
consensus
(boolean a, boolean b) static MaybeBoolean
valueOf
(boolean b) Returns the enum constant of this class with the specified name.static MaybeBoolean
Returns the enum constant of this class with the specified name.static MaybeBoolean[]
values()
Returns an array containing the constants of this enum class, in the order they are declared.Methods inherited from class java.lang.Enum
compareTo, describeConstable, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
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Enum Constant Details
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True
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False
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Maybe
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Method Details
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values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
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valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum class has no constant with the specified nameNullPointerException
- if the argument is null
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valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)- Parameters:
b
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum class has no constant with the specified nameNullPointerException
- if the argument is null
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booleanValue
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consensus
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