Package org.objectweb.asm.tree.analysis

Class SmallSet<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<T>

org.objectweb.asm.tree.analysis.SmallSet<T>

All Implemented Interfaces:

Iterable<T>, Collection<T>, Set<T>

final class SmallSet<T>
extends AbstractSet<T>

An immutable set of at most two elements, optimized for speed compared to a generic set implementation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	SmallSet.IteratorImpl<T>

Field Summary

Fields

Modifier and Type	Field	Description
private final T	element1	The first element of this set, maybe null.
private final T	element2	The second element of this set, maybe null.

Constructor Summary

Constructors

Modifier	Constructor	Description
(package private)	SmallSet()	Constructs an empty set.
(package private)	SmallSet(T element)	Constructs a set with exactly one element.
private	SmallSet(T element1, T element2)	Constructs a new SmallSet.

Method Summary

Modifier and Type	Method	Description
Iterator<T>	iterator()
int	size()
(package private) Set<T>	union(SmallSet<T> otherSet)	Returns the union of this set and of the given set.

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, isEmpty, remove, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, 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

add, addAll, clear, contains, containsAll, isEmpty, remove, retainAll, spliterator, toArray, toArray

Field Details

element1

private final T element1

The first element of this set, maybe null.

element2

private final T element2

The second element of this set, maybe null. If element1 is null then this field must be null, otherwise it must be different from element1.

Constructor Details

SmallSet

SmallSet()

Constructs an empty set.

SmallSet

SmallSet(T element)

Constructs a set with exactly one element.

Parameters:

element - the unique set element.

SmallSet

private SmallSet(T element1,
 T element2)

Constructs a new SmallSet.

Parameters:

element1 - see element1.

element2 - see element2.

Method Details

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Set<T>

Specified by:

iterator in class AbstractCollection<T>

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface Set<T>

Specified by:

size in class AbstractCollection<T>

union

Set<T> union(SmallSet<T> otherSet)

Returns the union of this set and of the given set.

Parameters:

otherSet - another small set.

Returns:

the union of this set and of otherSet.