net.corda.core.utilities

Class NonEmptySet<T>

net.corda.core.utilities.NonEmptySet<T>

public class NonEmptySet<T>

An immutable ordered non-empty set.

Field Detail

Companion

public static net.corda.core.utilities.NonEmptySet.Companion Companion

Method Detail

head

public T head()

Returns the first element of the set.

isEmpty

public boolean isEmpty()

iterator

@NotNull
public java.util.Iterator<T> iterator()

forEach

public void forEach(@NotNull
                    java.util.function.Consumer<? super T> action)

stream

@NotNull
public java.util.stream.Stream<T> stream()

parallelStream

@NotNull
public java.util.stream.Stream<T> parallelStream()

spliterator

@NotNull
public java.util.Spliterator<T> spliterator()

equals

public boolean equals(@Nullable
                      java.lang.Object other)

hashCode

public int hashCode()

toString

@NotNull
public java.lang.String toString()

getSize

public int getSize()

contains

public boolean contains(java.lang.Object element)

containsAll

public boolean containsAll(@NotNull
                           java.util.Collection<? extends java.lang.Object> elements)

of

@JvmStatic
 @NotNull
public static <T> NonEmptySet<T> of(T element)

Returns a singleton set containing element. This behaves the same as Collections.singleton but returns a class NonEmptySet for the extra type-safety.

See Also:

element, Collections.singleton, class NonEmptySet

of

@JvmStatic
 @NotNull
public static <T> NonEmptySet<T> of(T first,
                                                         T second,
                                                         @NotNull
                                                         T... rest)

Returns a non-empty set containing the given elements, minus duplicates, in the order each was specified.

copyOf

@JvmStatic
 @NotNull
public static <T> NonEmptySet<T> copyOf(@NotNull
                                                             java.util.Collection<? extends T> elements)

Returns a non-empty set containing each of elements, minus duplicates, in the order each appears first in the source collection.

Throws:

IllegalArgumentException - If elements is empty.

See Also:

elements