Class StreamAdapter<T>

java.lang.Object

fr.lirmm.graphik.util.stream.StreamAdapter<T>

Type Parameters:

T - element type

All Implemented Interfaces:

AutoCloseable, BaseStream<T, Stream<T>>, Stream<T>

public class StreamAdapter<T>
extends Object
implements Stream<T>

Adapts iterators to the Stream interface while closing underlying resources when needed.

Nested Class Summary

Nested classes/interfaces inherited from interface Stream

Stream.Builder<T>

Constructor Summary

Constructors

Constructor	Description
StreamAdapter(CloseableIterator<T> iterator)	Creates a stream from a closeable iterator.
StreamAdapter(Iterator<T> iterator)	Creates a stream from a plain iterator.

Method Summary

Modifier and Type	Method	Description
boolean	allMatch(Predicate<? super T> arg0)
boolean	anyMatch(Predicate<? super T> arg0)
void	close()
<R> R	collect(Supplier<R> arg0, BiConsumer<R, ? super T> arg1, BiConsumer<R,R> arg2)
<R,A> R	collect(Collector<? super T, A, R> arg0)
long	count()
Stream<T>	distinct()
Stream<T>	filter(Predicate<? super T> arg0)
Optional<T>	findAny()
Optional<T>	findFirst()
<R> Stream<R>	flatMap(Function<? super T, ? extends Stream<? extends R>> arg0)
DoubleStream	flatMapToDouble(Function<? super T, ? extends DoubleStream> arg0)
IntStream	flatMapToInt(Function<? super T, ? extends IntStream> arg0)
LongStream	flatMapToLong(Function<? super T, ? extends LongStream> arg0)
void	forEach(Consumer<? super T> arg0)
void	forEachOrdered(Consumer<? super T> arg0)
boolean	isParallel()
Iterator<T>	iterator()
Stream<T>	limit(long arg0)
<R> Stream<R>	map(Function<? super T, ? extends R> arg0)
DoubleStream	mapToDouble(ToDoubleFunction<? super T> arg0)
IntStream	mapToInt(ToIntFunction<? super T> arg0)
LongStream	mapToLong(ToLongFunction<? super T> arg0)
Optional<T>	max(Comparator<? super T> arg0)
Optional<T>	min(Comparator<? super T> arg0)
boolean	noneMatch(Predicate<? super T> arg0)
Stream<T>	onClose(Runnable arg0)
Stream<T>	parallel()
Stream<T>	peek(Consumer<? super T> arg0)
Optional<T>	reduce(BinaryOperator<T> arg0)
T	reduce(T arg0, BinaryOperator<T> arg1)
<U> U	reduce(U arg0, BiFunction<U, ? super T, U> arg1, BinaryOperator<U> arg2)
Stream<T>	sequential()
Stream<T>	skip(long arg0)
Stream<T>	sorted()
Stream<T>	sorted(Comparator<? super T> arg0)
Spliterator<T>	spliterator()
Object[]	toArray()
<A> A[]	toArray(IntFunction<A[]> arg0)
Stream<T>	unordered()

Methods inherited from class Object

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

Methods inherited from interface Stream

dropWhile, mapMulti, mapMultiToDouble, mapMultiToInt, mapMultiToLong, takeWhile, toList

Constructor Details

StreamAdapter

public StreamAdapter(CloseableIterator<T> iterator)

Creates a stream from a closeable iterator.

Parameters:

iterator - the source iterator

StreamAdapter

public StreamAdapter(Iterator<T> iterator)

Creates a stream from a plain iterator.

Parameters:

iterator - the source iterator

Method Details

allMatch

public boolean allMatch(Predicate<? super T> arg0)

Specified by:

allMatch in interface Stream<T>

anyMatch

public boolean anyMatch(Predicate<? super T> arg0)

Specified by:

anyMatch in interface Stream<T>

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface BaseStream<T, Stream<T>>

collect

public <R,A> R collect(Collector<? super T, A, R> arg0)

Specified by:

collect in interface Stream<T>

collect

public <R> R collect(Supplier<R> arg0,
 BiConsumer<R, ? super T> arg1,
 BiConsumer<R,R> arg2)

Specified by:

collect in interface Stream<T>

count

public long count()

Specified by:

count in interface Stream<T>

distinct

public Stream<T> distinct()

Specified by:

distinct in interface Stream<T>

filter

public Stream<T> filter(Predicate<? super T> arg0)

Specified by:

filter in interface Stream<T>

findAny

public Optional<T> findAny()

Specified by:

findAny in interface Stream<T>

findFirst

public Optional<T> findFirst()

Specified by:

findFirst in interface Stream<T>

flatMap

public <R> Stream<R> flatMap(Function<? super T, ? extends Stream<? extends R>> arg0)

Specified by:

flatMap in interface Stream<T>

flatMapToDouble

public DoubleStream flatMapToDouble(Function<? super T, ? extends DoubleStream> arg0)

Specified by:

flatMapToDouble in interface Stream<T>

flatMapToInt

public IntStream flatMapToInt(Function<? super T, ? extends IntStream> arg0)

Specified by:

flatMapToInt in interface Stream<T>

flatMapToLong

public LongStream flatMapToLong(Function<? super T, ? extends LongStream> arg0)

Specified by:

flatMapToLong in interface Stream<T>

forEach

public void forEach(Consumer<? super T> arg0)

Specified by:

forEach in interface Stream<T>

forEachOrdered

public void forEachOrdered(Consumer<? super T> arg0)

Specified by:

forEachOrdered in interface Stream<T>

isParallel

public boolean isParallel()

Specified by:

isParallel in interface BaseStream<T, Stream<T>>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface BaseStream<T, Stream<T>>

limit

public Stream<T> limit(long arg0)

Specified by:

limit in interface Stream<T>

map

public <R> Stream<R> map(Function<? super T, ? extends R> arg0)

Specified by:

map in interface Stream<T>

mapToDouble

public DoubleStream mapToDouble(ToDoubleFunction<? super T> arg0)

Specified by:

mapToDouble in interface Stream<T>

mapToInt

public IntStream mapToInt(ToIntFunction<? super T> arg0)

Specified by:

mapToInt in interface Stream<T>

mapToLong

public LongStream mapToLong(ToLongFunction<? super T> arg0)

Specified by:

mapToLong in interface Stream<T>

max

public Optional<T> max(Comparator<? super T> arg0)

Specified by:

max in interface Stream<T>

min

public Optional<T> min(Comparator<? super T> arg0)

Specified by:

min in interface Stream<T>

noneMatch

public boolean noneMatch(Predicate<? super T> arg0)

Specified by:

noneMatch in interface Stream<T>

onClose

public Stream<T> onClose(Runnable arg0)

Specified by:

onClose in interface BaseStream<T, Stream<T>>

parallel

public Stream<T> parallel()

Specified by:

parallel in interface BaseStream<T, Stream<T>>

peek

public Stream<T> peek(Consumer<? super T> arg0)

Specified by:

peek in interface Stream<T>

reduce

public Optional<T> reduce(BinaryOperator<T> arg0)

Specified by:

reduce in interface Stream<T>

reduce

public T reduce(T arg0,
 BinaryOperator<T> arg1)

Specified by:

reduce in interface Stream<T>

reduce

public <U> U reduce(U arg0,
 BiFunction<U, ? super T, U> arg1,
 BinaryOperator<U> arg2)

Specified by:

reduce in interface Stream<T>

sequential

public Stream<T> sequential()

Specified by:

sequential in interface BaseStream<T, Stream<T>>

skip

public Stream<T> skip(long arg0)

Specified by:

skip in interface Stream<T>

sorted

public Stream<T> sorted()

Specified by:

sorted in interface Stream<T>

sorted

public Stream<T> sorted(Comparator<? super T> arg0)

Specified by:

sorted in interface Stream<T>

spliterator

public Spliterator<T> spliterator()

Specified by:

spliterator in interface BaseStream<T, Stream<T>>

toArray

public Object[] toArray()

Specified by:

toArray in interface Stream<T>

toArray

public <A> A[] toArray(IntFunction<A[]> arg0)

Specified by:

toArray in interface Stream<T>

unordered

public Stream<T> unordered()

Specified by:

unordered in interface BaseStream<T, Stream<T>>