org.salespointframework.core

Interface Streamable<T>

All Superinterfaces:

Iterable<T>

All Known Implementing Classes:

Cart, DefaultStreamable, Intervals, OrderCompletionReport

public interface Streamable<T>
extends Iterable<T>

Simple interface to ease streamability of Iterables.

Author:

Oliver Gierke

Method Summary

Modifier and Type	Method and Description
static <T> Streamable<T>	empty() Returns an empty Streamable.
static <T> Streamable<T>	of(Iterable<T> iterable) Returns a Streamable for the given Iterable.
static <T> Streamable<T>	ofLazy(Supplier<Stream<T>> supplier) Creates a new Streamable from the given Supplier that can produce a Stream in the first place.
default Stream<T>	stream() Creates a non-parallel Stream of the underlying Iterable.

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

stream

default Stream<T> stream()

Creates a non-parallel Stream of the underlying Iterable.

Returns:

will never be null.

of

static <T> Streamable<T> of(Iterable<T> iterable)

Returns a Streamable for the given Iterable.

Parameters:

iterable - must not be null.

Returns:

will never be null.

ofLazy

static <T> Streamable<T> ofLazy(Supplier<Stream<T>> supplier)

Creates a new Streamable from the given Supplier that can produce a Stream in the first place. The given Supplier will only be accessed once the created Streamable is actually used, i.e. stream() is called.

Parameters:

supplier - must not be null.

Returns:

will never be null.

empty

static <T> Streamable<T> empty()

Returns an empty Streamable.

Returns:

will never be null.