Package eu.bandm.tools.util.nonnull

Class SetProxy<E2>

java.lang.Object

eu.bandm.tools.util.nonnull.SetProxy<E2>

Type Parameters:

E2 - the type of the set elements

All Implemented Interfaces:

Nullfree, NonNullSet<E2>, Iterable<E2>, Collection<E2>, Set<E2>

class SetProxy<E2>
extends Object
implements NonNullSet<E2>

Internal proxy which inserts the checks for non-null into all state-changing methods. Not directly accessible by the user.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Set<E2>	peer	The object from JDK runtime which makes the real work.

Constructor Summary

Constructors

Constructor	Description
SetProxy(Set<E2> peer)	Not directly accessible by the user.

Method Summary

Modifier and Type	Method	Description
boolean	add(E2 t)
boolean	addAll(Collection<? extends E2> c)
SortedSet<E2>	asSorted()	Returns a sorted, unmodifiable view if the backing peer is a sorted set.
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	equals(Object o)
int	hashCode()
boolean	isEmpty()
Iterator<E2>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<T1> T1[]	toArray(T1[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

spliterator

Field Details

peer

protected final Set<E2> peer

The object from JDK runtime which makes the real work.

Constructor Details

SetProxy

SetProxy(Set<E2> peer)

Not directly accessible by the user.

Parameters:

peer - The object from JDK runtime which makes the real work.

Throws:

NullPointerException - if the argument is null.

Method Details

asSorted

public SortedSet<E2> asSorted()

Returns a sorted, unmodifiable view if the backing peer is a sorted set.

Specified by:

asSorted in interface NonNullSet<E2>

Returns:

a sorted, unmodifiable view if the backing peer is a sorted set.

Throws:

UnsupportedOperationException - if the backing peer does not offer a sorted view.

add

public boolean add(E2 t)

Specified by:

add in interface Collection<E2>

Specified by:

add in interface Set<E2>

addAll

public boolean addAll(Collection<? extends E2> c)

Specified by:

addAll in interface Collection<E2>

Specified by:

addAll in interface Set<E2>

clear

public void clear()

Specified by:

clear in interface Collection<E2>

Specified by:

clear in interface Set<E2>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E2>

Specified by:

contains in interface Set<E2>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E2>

Specified by:

containsAll in interface Set<E2>

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<E2>

Specified by:

equals in interface Set<E2>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<E2>

Specified by:

hashCode in interface Set<E2>

Overrides:

hashCode in class Object

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E2>

Specified by:

isEmpty in interface Set<E2>

iterator

public Iterator<E2> iterator()

Specified by:

iterator in interface Collection<E2>

Specified by:

iterator in interface Iterable<E2>

Specified by:

iterator in interface Set<E2>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<E2>

Specified by:

remove in interface Set<E2>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E2>

Specified by:

removeAll in interface Set<E2>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E2>

Specified by:

retainAll in interface Set<E2>

size

public int size()

Specified by:

size in interface Collection<E2>

Specified by:

size in interface Set<E2>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E2>

Specified by:

toArray in interface Set<E2>

toArray

public <T1> T1[] toArray(T1[] a)

Specified by:

toArray in interface Collection<E2>

Specified by:

toArray in interface Set<E2>