public final class StreamSupport extends Object
This class is mostly for library writers presenting stream views of data structures; most static stream methods intended for end users are in the various Stream classes.
static DoubleStream doubleStream(Supplier<? extends Spliterator.OfDouble> supplier, int characteristics, boolean parallel)
Creates a new sequential or parallel DoubleStream from a Supplier of Spliterator.OfDouble.
static DoubleStream doubleStream(Spliterator.OfDouble spliterator, boolean parallel)
Creates a new sequential or parallel DoubleStream from a Spliterator.OfDouble.
static IntStream intStream(Supplier<? extends Spliterator.OfInt> supplier, int characteristics, boolean parallel)
Creates a new sequential or parallel IntStream from a Supplier of Spliterator.OfInt.
static IntStream intStream(Spliterator.OfInt spliterator, boolean parallel)
Creates a new sequential or parallel IntStream from a Spliterator.OfInt.
static LongStream longStream(Supplier<? extends Spliterator.OfLong> supplier, int characteristics, boolean parallel)
Creates a new sequential or parallel LongStream from a Supplier of Spliterator.OfLong.
static LongStream longStream(Spliterator.OfLong spliterator, boolean parallel)
Creates a new sequential or parallel LongStream from a Spliterator.OfLong.
static <T> Stream<T> stream(Supplier<? extends Spliterator<T>> supplier, int characteristics, boolean parallel)
Creates a new sequential or parallel Stream from a Supplier of Spliterator.
static <T> Stream<T> stream(Spliterator<T> spliterator, boolean parallel)
Creates a new sequential or parallel Stream from a Spliterator.
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitCreates a new sequential or parallel
Stream
from a
Spliterator
.
The spliterator is only traversed, split, or queried for estimated size after the terminal operation of the stream pipeline commences.
It is strongly recommended the spliterator report a characteristic of IMMUTABLE or CONCURRENT, or be late-binding. Otherwise, stream(java.util.function.Supplier, int, boolean) should be used to reduce the scope of potential interference with the source. See Non-Interference for more details.
T - the type of stream elements
spliterator - a Spliterator describing the stream elements
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
Stream
Creates a new sequential or parallel
Stream
from a
Supplier
of
Spliterator
.
The Supplier.get() method will be invoked on the supplier no more than once, and only after the terminal operation of the stream pipeline commences.
For spliterators that report a characteristic of IMMUTABLE or CONCURRENT, or that are late-binding, it is likely more efficient to use stream(java.util.Spliterator, boolean) instead.
The use of a Supplier in this form provides a level of indirection that reduces the scope of potential interference with the source. Since the supplier is only invoked after the terminal operation commences, any modifications to the source up to the start of the terminal operation are reflected in the stream result. See Non-Interference for more details.
T - the type of stream elements
supplier - a Supplier of a Spliterator
characteristics - Spliterator characteristics of the supplied Spliterator. The characteristics must be equal to supplier.get().characteristics(), otherwise undefined behavior may occur when terminal operation commences.
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
Stream
stream(java.util.Spliterator, boolean)
Creates a new sequential or parallel
IntStream
from a
Spliterator.OfInt
.
The spliterator is only traversed, split, or queried for estimated size after the terminal operation of the stream pipeline commences.
It is strongly recommended the spliterator report a characteristic of IMMUTABLE or CONCURRENT, or be late-binding. Otherwise, intStream(java.util.function.Supplier, int, boolean) should be used to reduce the scope of potential interference with the source. See Non-Interference for more details.
spliterator - a Spliterator.OfInt describing the stream elements
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
IntStream
Creates a new sequential or parallel
IntStream
from a
Supplier
of
Spliterator.OfInt
.
The Supplier.get() method will be invoked on the supplier no more than once, and only after the terminal operation of the stream pipeline commences.
For spliterators that report a characteristic of IMMUTABLE or CONCURRENT, or that are late-binding, it is likely more efficient to use intStream(java.util.Spliterator.OfInt, boolean) instead.
The use of a Supplier in this form provides a level of indirection that reduces the scope of potential interference with the source. Since the supplier is only invoked after the terminal operation commences, any modifications to the source up to the start of the terminal operation are reflected in the stream result. See Non-Interference for more details.
supplier - a Supplier of a Spliterator.OfInt
characteristics - Spliterator characteristics of the supplied Spliterator.OfInt. The characteristics must be equal to supplier.get().characteristics(), otherwise undefined behavior may occur when terminal operation commences.
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
IntStream
intStream(java.util.Spliterator.OfInt, boolean)
Creates a new sequential or parallel
LongStream
from a
Spliterator.OfLong
.
The spliterator is only traversed, split, or queried for estimated size after the terminal operation of the stream pipeline commences.
It is strongly recommended the spliterator report a characteristic of IMMUTABLE or CONCURRENT, or be late-binding. Otherwise, longStream(java.util.function.Supplier, int, boolean) should be used to reduce the scope of potential interference with the source. See Non-Interference for more details.
spliterator - a Spliterator.OfLong describing the stream elements
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
LongStream
Creates a new sequential or parallel
LongStream
from a
Supplier
of
Spliterator.OfLong
.
The Supplier.get() method will be invoked on the supplier no more than once, and only after the terminal operation of the stream pipeline commences.
For spliterators that report a characteristic of IMMUTABLE or CONCURRENT, or that are late-binding, it is likely more efficient to use longStream(java.util.Spliterator.OfLong, boolean) instead.
The use of a Supplier in this form provides a level of indirection that reduces the scope of potential interference with the source. Since the supplier is only invoked after the terminal operation commences, any modifications to the source up to the start of the terminal operation are reflected in the stream result. See Non-Interference for more details.
supplier - a Supplier of a Spliterator.OfLong
characteristics - Spliterator characteristics of the supplied Spliterator.OfLong. The characteristics must be equal to supplier.get().characteristics(), otherwise undefined behavior may occur when terminal operation commences.
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
LongStream
longStream(java.util.Spliterator.OfLong, boolean)
Creates a new sequential or parallel
DoubleStream
from a
Spliterator.OfDouble
.
The spliterator is only traversed, split, or queried for estimated size after the terminal operation of the stream pipeline commences.
It is strongly recommended the spliterator report a characteristic of IMMUTABLE or CONCURRENT, or be late-binding. Otherwise, doubleStream(java.util.function.Supplier, int, boolean) should be used to reduce the scope of potential interference with the source. See Non-Interference for more details.
spliterator - A Spliterator.OfDouble describing the stream elements
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
DoubleStream
Creates a new sequential or parallel
DoubleStream
from a
Supplier
of
Spliterator.OfDouble
.
The Supplier.get() method will be invoked on the supplier no more than once, and only after the terminal operation of the stream pipeline commences.
For spliterators that report a characteristic of IMMUTABLE or CONCURRENT, or that are late-binding, it is likely more efficient to use doubleStream(java.util.Spliterator.OfDouble, boolean) instead.
The use of a Supplier in this form provides a level of indirection that reduces the scope of potential interference with the source. Since the supplier is only invoked after the terminal operation commences, any modifications to the source up to the start of the terminal operation are reflected in the stream result. See Non-Interference for more details.
supplier - A Supplier of a Spliterator.OfDouble
characteristics - Spliterator characteristics of the supplied Spliterator.OfDouble. The characteristics must be equal to supplier.get().characteristics(), otherwise undefined behavior may occur when terminal operation commences.
parallel - if true then the returned stream is a parallel stream; if false the returned stream is a sequential stream.
DoubleStream
doubleStream(java.util.Spliterator.OfDouble, boolean)
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