Package com.landawn.abacus.util

Class BooleanIterator

java.lang.Object

com.landawn.abacus.util.BooleanIterator

All Implemented Interfaces:

Immutable, Iterator<Boolean>

public abstract class BooleanIterator
extends Object

Since:

0.8

Author:

Haiyang Li

Field Summary

Fields

Modifier and Type	Field	Description
static final BooleanIterator	EMPTY

Constructor Summary

Constructors

Constructor	Description
BooleanIterator()

Method Summary

Modifier and Type	Method	Description
static BooleanIterator	defer(Supplier<? extends BooleanIterator> iteratorSupplier)	Lazy evaluation.
static BooleanIterator	empty()
BooleanIterator	filter(BooleanPredicate predicate)
u.OptionalBoolean	first()
<E extends Exception> void	foreachIndexed(Throwables.IndexedBooleanConsumer<E> action)
<E extends Exception> void	foreachRemaining(Throwables.BooleanConsumer<E> action)
void	forEachRemaining(Consumer<? super Boolean> action)	Deprecated.
static BooleanIterator	generate(BooleanSupplier supplier)	Returns an infinite BooleanIterator.
static BooleanIterator	generate(BooleanSupplier hasNext, BooleanSupplier supplier)
ObjIterator<IndexedBoolean>	indexed()
ObjIterator<IndexedBoolean>	indexed(long startIndex)
u.OptionalBoolean	last()
BooleanIterator	limit(long count)
Boolean	next()	Deprecated. use nextBoolean() instead.
abstract boolean	nextBoolean()
static BooleanIterator	of(boolean... a)
static BooleanIterator	of(boolean[] a, int fromIndex, int toIndex)
void	remove()	Deprecated. - UnsupportedOperationException
BooleanIterator	skip(long n)
Stream<Boolean>	stream()
boolean[]	toArray()
<C extends Collection<T>> C	toCollection(Supplier<? extends C> supplier)
ImmutableList<Boolean>	toImmutableList()
ImmutableSet<Boolean>	toImmutableSet()
BooleanList	toList()
Set<Boolean>	toSet()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

hasNext

Field Details

EMPTY

public static final BooleanIterator EMPTY

Constructor Details

BooleanIterator

public BooleanIterator()

Method Details

empty

public static BooleanIterator empty()

Returns:

of

@SafeVarargs
public static BooleanIterator of(boolean... a)

Parameters:

a -

Returns:

of

public static BooleanIterator of(boolean[] a,
 int fromIndex,
 int toIndex)

Parameters:

a -

fromIndex -

toIndex -

Returns:

defer

public static BooleanIterator defer(Supplier<? extends BooleanIterator> iteratorSupplier)

Lazy evaluation.

Parameters:

iteratorSupplier -

Returns:

generate

public static BooleanIterator generate(BooleanSupplier supplier)

Returns an infinite BooleanIterator.

Parameters:

supplier -

Returns:

generate

public static BooleanIterator generate(BooleanSupplier hasNext,
 BooleanSupplier supplier)

Parameters:

hasNext -

supplier -

Returns:

next

@Deprecated
public Boolean next()

Deprecated.

use nextBoolean() instead.

Returns:

Throws:

NoSuchElementException - if the iteration has no more elements

nextBoolean

public abstract boolean nextBoolean()

Returns:

skip

public BooleanIterator skip(long n)

Parameters:

n -

Returns:

limit

public BooleanIterator limit(long count)

Parameters:

count -

Returns:

filter

public BooleanIterator filter(BooleanPredicate predicate)

Parameters:

predicate -

Returns:

first

public u.OptionalBoolean first()

Returns:

last

public u.OptionalBoolean last()

Returns:

toArray

public boolean[] toArray()

Returns:

toList

public BooleanList toList()

Returns:

stream

public Stream<Boolean> stream()

Returns:

indexed

@Beta
public ObjIterator<IndexedBoolean> indexed()

Returns:

indexed

@Beta
public ObjIterator<IndexedBoolean> indexed(long startIndex)

Parameters:

startIndex -

Returns:

forEachRemaining

@Deprecated
public void forEachRemaining(Consumer<? super Boolean> action)

Deprecated.

For each remaining.

Parameters:

action -

foreachRemaining

public <E extends Exception> void foreachRemaining(Throwables.BooleanConsumer<E> action)
                                            throws E

Type Parameters:

E -

Parameters:

action -

Throws:

E - the e

foreachIndexed

public <E extends Exception> void foreachIndexed(Throwables.IndexedBooleanConsumer<E> action)
                                          throws E

Type Parameters:

E -

Parameters:

action -

Throws:

E - the e

remove

@Deprecated
public void remove()
            throws UnsupportedOperationException

Deprecated.

- UnsupportedOperationException

Specified by:

remove in interface Iterator<T>

Throws:

UnsupportedOperationException

toSet

public Set<Boolean> toSet()

Returns:

toCollection

public <C extends Collection<T>> C toCollection(Supplier<? extends C> supplier)

Type Parameters:

C -

Parameters:

supplier -

Returns:

toImmutableList

public ImmutableList<Boolean> toImmutableList()

Returns:

toImmutableSet

public ImmutableSet<Boolean> toImmutableSet()

Returns: