org.checkerframework.dataflow.util

Class MostlySingleton<T>

java.lang.Object

org.checkerframework.dataflow.util.AbstractMostlySingleton<T>

org.checkerframework.dataflow.util.MostlySingleton<T>

All Implemented Interfaces:

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

public final class MostlySingleton<T>
extends AbstractMostlySingleton<T>

A set that is more efficient than HashSet for 0 and 1 elements. Uses Objects.equals for object comparison and a HashSet for backing storage.

Nested Class Summary

Nested classes/interfaces inherited from class org.checkerframework.dataflow.util.AbstractMostlySingleton

AbstractMostlySingleton.State

Field Summary

Fields inherited from class org.checkerframework.dataflow.util.AbstractMostlySingleton

set, state, value

Constructor Summary

Constructors

Constructor and Description
MostlySingleton() Create a MostlySingleton.
MostlySingleton(T value) Create a MostlySingleton.

Method Summary

Modifier and Type	Method and Description
boolean	add(T e)
boolean	contains(@Nullable Object o)

Methods inherited from class org.checkerframework.dataflow.util.AbstractMostlySingleton

addAll, clear, containsAll, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Set

equals, hashCode, spliterator

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

MostlySingleton

public MostlySingleton()

Create a MostlySingleton.

MostlySingleton

public MostlySingleton(T value)

Create a MostlySingleton.

Method Detail

add

public boolean add(T e)

contains

public boolean contains(@Nullable Object o)