net.openhft.chronicle.testframework

Class Combination

java.lang.Object

net.openhft.chronicle.testframework.Combination

public final class Combination
extends Object

General Combination support. The class eagerly calculates all combinations.

Author:

Per Minborg

Method Summary

Modifier and Type	Method and Description
static <T> Stream<Set<T>>	of(@NotNull Collection<T> items) Creates and returns all possible combinations of the given elements.
static <T> Stream<Set<T>>	of(@NotNull Stream<T> items) Creates and returns all possible combinations of the given elements.
static <T> Stream<Set<T>>	of(T... items) Creates and returns all possible combinations of the given elements.

Methods inherited from class java.lang.Object

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

Method Detail

of

@SafeVarargs
public static <T> Stream<Set<T>> of(@NotNull
                                                 T... items)

Creates and returns all possible combinations of the given elements.

The order of the combinations in the stream is unspecified.

Type Parameters:

T - element type

Parameters:

items - to combine

Returns:

all possible combinations of the given elements

Throws:

NullPointerException - if the provided items list is null.

of

public static <T> Stream<Set<T>> of(@NotNull
                                    @NotNull Collection<T> items)

Creates and returns all possible combinations of the given elements.

The order of the combinations in the stream is unspecified.

Type Parameters:

T - element type

Parameters:

items - to combine

Returns:

all possible combinations of the given elements

Throws:

NullPointerException - if the provided items list is null.

of

public static <T> Stream<Set<T>> of(@NotNull
                                    @NotNull Stream<T> items)

Creates and returns all possible combinations of the given elements.

The order of the combinations in the stream is unspecified.

It is unspecified if the method lazily consume the provided stream before providing the result or not.

Type Parameters:

T - element type

Parameters:

items - to combine

Returns:

all possible combinations of the given elements

Throws:

NullPointerException - if the provided items stream is null.