Enum Class Tristate
- All Implemented Interfaces:
Serializable,Comparable<Tristate>,Constable
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>> -
Enum Constant Summary
Enum Constants -
Method Summary
Modifier and TypeMethodDescriptionbooleanReturns the value of the Tristate as a boolean.of(boolean val) Returns aTristatefrom a booleanReturns aTristatefrom a nullable boolean.static TristateReturns the enum constant of this class with the specified name.static Tristate[]values()Returns an array containing the constants of this enum class, in the order they are declared.
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Enum Constant Details
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TRUE
A value indicating a positive setting -
FALSE
A value indicating a negative (negated) setting -
UNDEFINED
A value indicating a non-existent setting
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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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of
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of
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asBoolean
public boolean asBoolean()Returns the value of the Tristate as a boolean.A value of
UNDEFINEDconverts to false.- Returns:
- a boolean representation of the Tristate.
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