Package com.landawn.abacus.util

Class CheckedStream.CheckedIterator<T,E extends Exception>

java.lang.Object

com.landawn.abacus.util.CheckedStream.CheckedIterator<T,E>

Type Parameters:

T -

E -

All Implemented Interfaces:

Immutable

Enclosing class:

CheckedStream<T,E extends Exception>

@Internal
@Immutable
public abstract static class CheckedStream.CheckedIterator<T,E extends Exception>
extends Object
implements Immutable

The Class CheckedIterator.

Constructor Summary

Constructors

Constructor	Description
CheckedIterator()

Method Summary

Modifier and Type	Method	Description
void	advance(long n)
void	close()
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	concat(CheckedStream.CheckedIterator<? extends T,? extends E>... a)
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	concat(Collection<? extends CheckedStream.CheckedIterator<? extends T,? extends E>> c)
long	count()
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	defer(Throwables.Supplier<CheckedStream.CheckedIterator<T,E>,E> iteratorSupplier)	Lazy evaluation.
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	empty()
abstract boolean	hasNext()	Checks for next.
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	just(T val)
abstract T	next()
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	of(Iterator<? extends T> iter)
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	of(T... a)
static <T, E extends Exception> CheckedStream.CheckedIterator<T,E>	of(T[] a, int fromIndex, int toIndex)

Methods inherited from class java.lang.Object

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

Constructor Details

CheckedIterator

public CheckedIterator()

Method Details

empty

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> empty()

Type Parameters:

T -

E -

Returns:

just

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> just(T val)

Type Parameters:

T -

E -

Parameters:

val -

Returns:

of

@SafeVarargs
public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> of(T... a)

Type Parameters:

T -

E -

Parameters:

a -

Returns:

of

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> of(T[] a,
 int fromIndex,
 int toIndex)

Type Parameters:

T -

E -

Parameters:

a -

fromIndex -

toIndex -

Returns:

of

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> of(Iterator<? extends T> iter)

Type Parameters:

T -

E -

Parameters:

iter -

Returns:

defer

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> defer(Throwables.Supplier<CheckedStream.CheckedIterator<T,E>,E> iteratorSupplier)

Lazy evaluation.

Type Parameters:

T -

E -

Parameters:

iteratorSupplier -

Returns:

concat

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> concat(CheckedStream.CheckedIterator<? extends T,? extends E>... a)

Type Parameters:

T -

E -

Parameters:

a -

Returns:

concat

public static <T,
E extends Exception>
CheckedStream.CheckedIterator<T,E> concat(Collection<? extends CheckedStream.CheckedIterator<? extends T,? extends E>> c)

Type Parameters:

T -

E -

Parameters:

c -

Returns:

hasNext

public abstract boolean hasNext()
                         throws E

Checks for next.

Returns:

Throws:

E - the e

next

public abstract T next()
                throws E

Returns:

Throws:

E - the e

advance

public void advance(long n)
             throws E

Parameters:

n -

Throws:

E - the e

count

public long count()
           throws E

Returns:

Throws:

E - the e

close

public void close()
           throws E

Throws:

E - the e