public enum Tristate extends Enum<Tristate>
| Enum Constant and Description |
|---|
FALSE
A value indicating a negative (negated) setting
|
TRUE
A value indicating a positive setting
|
UNDEFINED
A value indicating a non-existent setting
|
| Modifier and Type | Method and Description |
|---|---|
boolean |
asBoolean()
Returns the value of the Tristate as a boolean.
|
static @NonNull Tristate |
fromBoolean(boolean val)
Returns a
Tristate from a boolean |
static @NonNull Tristate |
fromNullableBoolean(Boolean val)
Returns a
Tristate from a nullable boolean. |
static Tristate |
valueOf(String name)
Returns the enum constant of this type with the specified name.
|
static Tristate[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final Tristate TRUE
public static final Tristate FALSE
public static final Tristate UNDEFINED
public static Tristate[] values()
for (Tristate c : Tristate.values()) System.out.println(c);
public static Tristate valueOf(String name)
name - the name of the enum constant to be returned.IllegalArgumentException - if this enum type has no constant with the specified nameNullPointerException - if the argument is nullpublic static @NonNull Tristate fromBoolean(boolean val)
Tristate from a booleanpublic static @NonNull Tristate fromNullableBoolean(Boolean val)
Tristate from a nullable boolean.
Unlike fromBoolean(boolean), this method returns UNDEFINED
if the value is null.
public boolean asBoolean()
A value of UNDEFINED converts to false.