org.tendiwa.rocollections

Interface ReadOnlyCollection<T>

Type Parameters:

T - Type of elements of the collection.

All Superinterfaces:

Iterable<T>

All Known Subinterfaces:

ReadOnlyList<T>, ReadOnlySet<T>

All Known Implementing Classes:

WrappingReadOnlyList, WrappingReadOnlySet

public interface ReadOnlyCollection<T>
extends Iterable<T>

A collection without mutators, only with accessors.

Version:

$Id$

Author:

Georgy Vlasov (suseika@tendiwa.org)

Method Summary

Modifier and Type	Method and Description
boolean	contains(T object) Checks if this ReadOnlyCollection contains a particular object with the same rules as Collection.contains(Object).
default boolean	isEmpty() Checks if this collection is empty.
int	size() Size of this collection.
java.util.stream.Stream<T>	stream() Stream over elements of this collection.

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

contains

boolean contains(T object)

Checks if this ReadOnlyCollection contains a particular object with the same rules as Collection.contains(Object).

Parameters:

object - An object to search for.

Returns:

True if object is present in collection, false otherwise.

size

int size()

Size of this collection.

Returns:

Number of elements in this collection.

stream

java.util.stream.Stream<T> stream()

Stream over elements of this collection.

Returns:

Stream over elements of this collection.

isEmpty

default boolean isEmpty()

Checks if this collection is empty.

Returns:

True if the collection is empty, false if there are any elements.