public abstract static class Sets.SetView<E>
extends java.util.AbstractSet<E>
SetView; typically,
you either use it as a plain Set, or immediately invoke immutableCopy() or
copyInto(S) and forget the SetView itself.| Modifier | Constructor and Description |
|---|---|
private |
SetView() |
| Modifier and Type | Method and Description |
|---|---|
boolean |
add(E e)
Deprecated.
Unsupported operation.
|
boolean |
addAll(java.util.Collection<? extends E> newElements)
Deprecated.
Unsupported operation.
|
void |
clear()
Deprecated.
Unsupported operation.
|
<S extends java.util.Set<E>> |
copyInto(S set)
Copies the current contents of this set view into an existing set.
|
ImmutableSet<E> |
immutableCopy()
Returns an immutable copy of the current contents of this set view.
|
abstract UnmodifiableIterator<E> |
iterator()
Scope the return type to
UnmodifiableIterator to ensure this is an unmodifiable view. |
boolean |
remove(java.lang.Object object)
Deprecated.
Unsupported operation.
|
boolean |
removeAll(java.util.Collection<?> oldElements)
Deprecated.
Unsupported operation.
|
boolean |
removeIf(java.util.function.Predicate<? super E> filter)
Deprecated.
Unsupported operation.
|
boolean |
retainAll(java.util.Collection<?> elementsToKeep)
Deprecated.
Unsupported operation.
|
contains, containsAll, isEmpty, size, toArray, toArray, toStringclone, finalize, getClass, notify, notifyAll, wait, wait, waitpublic ImmutableSet<E> immutableCopy()
Warning: this may have unexpected results if a backing set of this view uses a
nonstandard notion of equivalence, for example if it is a TreeSet using a comparator
that is inconsistent with Object.equals(Object).
public <S extends java.util.Set<E>> S copyInto(S set)
set.addAll(this), assuming that all the sets involved are based on the
same notion of equivalence.set, for convenience@Deprecated public final boolean add(E e)
@Deprecated
public final boolean remove(@CheckForNull
java.lang.Object object)
@Deprecated public final boolean addAll(java.util.Collection<? extends E> newElements)
@Deprecated public final boolean removeAll(java.util.Collection<?> oldElements)
@Deprecated public final boolean removeIf(java.util.function.Predicate<? super E> filter)
java.lang.UnsupportedOperationException - always@Deprecated public final boolean retainAll(java.util.Collection<?> elementsToKeep)
@Deprecated public final void clear()
public abstract UnmodifiableIterator<E> iterator()
UnmodifiableIterator to ensure this is an unmodifiable view.