Package com.landawn.abacus.util
Class u.OptionalBoolean
java.lang.Object
com.landawn.abacus.util.u.OptionalBoolean
- All Implemented Interfaces:
Immutable
,Comparable<u.OptionalBoolean>
- Enclosing class:
- u
@Immutable
public static final class u.OptionalBoolean
extends Object
implements Comparable<u.OptionalBoolean>, Immutable
The Class OptionalBoolean.
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Field Summary
Modifier and TypeFieldDescriptionstatic final u.OptionalBoolean
Presentstrue
.static final u.OptionalBoolean
Presentstrue
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Method Summary
Modifier and TypeMethodDescriptionboxed()
int
compareTo
(u.OptionalBoolean optional) static u.OptionalBoolean
empty()
boolean
<E extends Exception>
u.OptionalBooleanfilter
(Throwables.BooleanPredicate<E> predicate) <E extends Exception>
u.OptionalBooleanflatMap
(Throwables.BooleanFunction<u.OptionalBoolean, E> mapper) boolean
get()
int
hashCode()
<E extends Exception>
u.OptionalBooleanifPresent
(Throwables.BooleanConsumer<E> action) <E extends Exception,
E2 extends Exception>
u.OptionalBooleanifPresentOrElse
(Throwables.BooleanConsumer<E> action, Throwables.Runnable<E2> emptyAction) If present or else.boolean
isEmpty()
boolean
<E extends Exception>
u.OptionalBooleanmap
(Throwables.BooleanUnaryOperator<E> mapper) <T,
E extends Exception>
u.Optional<T>mapToNonNull
(Throwables.BooleanFunction<T, E> mapper) <T,
E extends Exception>
u.Nullable<T>mapToObj
(Throwables.BooleanFunction<T, E> mapper) Map to obj.static u.OptionalBoolean
of
(boolean value) static u.OptionalBoolean
ofNullable
(Boolean val) <E extends Exception>
u.OptionalBooleanor
(Throwables.Supplier<u.OptionalBoolean, E> supplier) boolean
orElse
(boolean other) <E extends Exception>
booleanorElseGet
(Throwables.BooleanSupplier<E> other) Or else get.boolean
Or else throw.<X extends Throwable>
booleanorElseThrow
(Supplier<? extends X> exceptionSupplier) Or else throw.boolean
orFalse()
Deprecated.use {@link #orElse(false)}boolean
orTrue()
Deprecated.use {@link #orElse(true)}stream()
To immutable list.To immutable set.toList()
toSet()
toString()
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Field Details
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TRUE
Presentstrue
. -
FALSE
Presentstrue
.
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Method Details
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empty
- Returns:
-
of
- Parameters:
value
-- Returns:
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ofNullable
- Parameters:
val
-- Returns:
-
get
- Returns:
- Throws:
NoSuchElementException
- the no such element exception
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isPresent
public boolean isPresent() -
isEmpty
public boolean isEmpty() -
ifPresent
public <E extends Exception> u.OptionalBoolean ifPresent(Throwables.BooleanConsumer<E> action) throws E - Type Parameters:
E
-- Parameters:
action
-- Returns:
- Throws:
E
- the e
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ifPresentOrElse
public <E extends Exception,E2 extends Exception> u.OptionalBoolean ifPresentOrElse(Throwables.BooleanConsumer<E> action, Throwables.Runnable<E2> emptyAction) throws E, E2 If present or else.- Type Parameters:
E
-E2
-- Parameters:
action
-emptyAction
-- Returns:
- Throws:
E
- the eE2
- the e2
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filter
public <E extends Exception> u.OptionalBoolean filter(Throwables.BooleanPredicate<E> predicate) throws E - Type Parameters:
E
-- Parameters:
predicate
-- Returns:
- Throws:
E
- the e
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map
public <E extends Exception> u.OptionalBoolean map(Throwables.BooleanUnaryOperator<E> mapper) throws E - Type Parameters:
E
-- Parameters:
mapper
-- Returns:
- Throws:
E
- the e
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mapToObj
public <T,E extends Exception> u.Nullable<T> mapToObj(Throwables.BooleanFunction<T, E> mapper) throws EMap to obj.- Type Parameters:
T
-E
-- Parameters:
mapper
-- Returns:
- Throws:
E
- the e
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mapToNonNull
public <T,E extends Exception> u.Optional<T> mapToNonNull(Throwables.BooleanFunction<T, E> mapper) throws E- Throws:
E extends Exception
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flatMap
public <E extends Exception> u.OptionalBoolean flatMap(Throwables.BooleanFunction<u.OptionalBoolean, E> mapper) throws E- Type Parameters:
E
-- Parameters:
mapper
-- Returns:
- Throws:
E
- the e
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or
public <E extends Exception> u.OptionalBoolean or(Throwables.Supplier<u.OptionalBoolean, E> supplier) throws E- Type Parameters:
E
-- Parameters:
supplier
-- Returns:
- Throws:
E
- the e
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orFalse
Deprecated.use {@link #orElse(false)}- Returns:
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orTrue
Deprecated.use {@link #orElse(true)}- Returns:
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orElse
public boolean orElse(boolean other) - Parameters:
other
-- Returns:
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orElseGet
Or else get.- Type Parameters:
E
-- Parameters:
other
-- Returns:
- Throws:
E
- the e
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orElseThrow
Or else throw.- Returns:
- Throws:
NoSuchElementException
- the no such element exception
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orElseThrow
Or else throw.- Type Parameters:
X
-- Parameters:
exceptionSupplier
-- Returns:
- Throws:
X
- the x
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stream
- Returns:
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toList
- Returns:
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toSet
- Returns:
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toImmutableList
To immutable list.- Returns:
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toImmutableSet
To immutable set.- Returns:
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boxed
- Returns:
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compareTo
- Specified by:
compareTo
in interfaceComparable<u.OptionalBoolean>
- Parameters:
optional
-- Returns:
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equals
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hashCode
public int hashCode() -
toString
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