Package org.tweetyproject.arg.adf.util

Class UnionCollectionView<E>

java.lang.Object

java.util.AbstractCollection<E>

org.tweetyproject.arg.adf.util.AbstractUnmodifiableCollection<E>

org.tweetyproject.arg.adf.util.UnionCollectionView<E>

Type Parameters:

E - type

All Implemented Interfaces:

Iterable<E>, Collection<E>

public final class UnionCollectionView<E>
extends AbstractUnmodifiableCollection<E>

UnionCollectionView class

Author:

Mathias Hofer

Constructor Summary

Constructors

Constructor	Description
UnionCollectionView(Collection<? extends E> c1, Collection<? extends E> c2)	Constructs a new UnionCollectionView that represents the union of the two specified collections.

Method Summary

Modifier and Type	Method	Description
boolean	contains(Object o)
boolean	isEmpty()
Iterator<E>	iterator()
static <E> Collection<E>	of(Collection<? extends E> c, E elem)	Creates a new UnionCollectionView that represents the union of a collection and a single element.
int	size()

Methods inherited from class org.tweetyproject.arg.adf.util.AbstractUnmodifiableCollection

add, addAll, clear, remove, removeAll, removeIf, retainAll

Methods inherited from class java.util.AbstractCollection

containsAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Constructor Details

UnionCollectionView

public UnionCollectionView(Collection<? extends E> c1,
 Collection<? extends E> c2)

Constructs a new UnionCollectionView that represents the union of the two specified collections.

Parameters:

c1 - the first collection to be included in the union view; must not be null

c2 - the second collection to be included in the union view; must not be null

Throws:

NullPointerException - if either c1 or c2 is null

Method Details

of

public static <E> Collection<E> of(Collection<? extends E> c,
 E elem)

Creates a new UnionCollectionView that represents the union of a collection and a single element.

This method provides a convenient way to create a union view when you have a collection and want to add a single additional element to it without modifying the original collection.

Type Parameters:

E - the type of elements in the collection

Parameters:

c - the collection to be included in the union view; must not be null

elem - the single element to be included in the union view; must not be null

Returns:

a Collection<E> representing the union of c and elem

Throws:

NullPointerException - if either c or elem is null

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in class AbstractCollection<E>

size

public int size()

Specified by:

size in interface Collection<E>

Specified by:

size in class AbstractCollection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E>

Overrides:

isEmpty in class AbstractCollection<E>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

Overrides:

contains in class AbstractCollection<E>