Class HashArrayMappedTrieModule.EmptyNode<K,V>

java.lang.Object

io.vavr.collection.HashArrayMappedTrieModule.AbstractNode<K,V>

io.vavr.collection.HashArrayMappedTrieModule.EmptyNode<K,V>

Type Parameters:

K - Key type

V - Value type

All Implemented Interfaces:

HashArrayMappedTrie<K,V>, Serializable, Iterable<Tuple2<K,V>>

Enclosing interface:

HashArrayMappedTrieModule

public static final class HashArrayMappedTrieModule.EmptyNode<K,V>
extends HashArrayMappedTrieModule.AbstractNode<K,V>
implements Serializable

The empty node.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static final HashArrayMappedTrieModule.EmptyNode<?,?>	INSTANCE
private static final long	serialVersionUID

Fields inherited from class HashArrayMappedTrieModule.AbstractNode

BUCKET_SIZE, MAX_INDEX_NODE, MIN_ARRAY_NODE, SIZE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	EmptyNode()

Method Summary

Modifier and Type	Method	Description
(package private) static <K,V> HashArrayMappedTrieModule.EmptyNode<K,V>	instance()
boolean	isEmpty()
(package private) Option<V>	lookup(int shift, int keyHash, K key)
(package private) V	lookup(int shift, int keyHash, K key, V defaultValue)
(package private) HashArrayMappedTrieModule.AbstractNode<K,V>	modify(int shift, int keyHash, K key, V value, HashArrayMappedTrieModule.Action action)
Iterator<HashArrayMappedTrieModule.LeafNode<K,V>>	nodes()
private Object	readResolve()	Instance control for object serialization.
int	size()

Methods inherited from class HashArrayMappedTrieModule.AbstractNode

containsKey, fromBitmap, get, getOrElse, hashFragment, insert, iterator, keysIterator, put, remove, remove, toBitmap, toString, update, valuesIterator

Methods inherited from class Object

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

Methods inherited from interface Iterable

forEach, spliterator

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

INSTANCE

private static final HashArrayMappedTrieModule.EmptyNode<?,?> INSTANCE

Constructor Details

EmptyNode

private EmptyNode()

Method Details

instance

static <K,V>
HashArrayMappedTrieModule.EmptyNode<K,V> instance()

lookup

Option<V> lookup(int shift,
 int keyHash,
 K key)

Specified by:

lookup in class HashArrayMappedTrieModule.AbstractNode<K,V>

lookup

V lookup(int shift,
 int keyHash,
 K key,
 V defaultValue)

Specified by:

lookup in class HashArrayMappedTrieModule.AbstractNode<K,V>

modify

HashArrayMappedTrieModule.AbstractNode<K,V> modify(int shift,
 int keyHash,
 K key,
 V value,
 HashArrayMappedTrieModule.Action action)

Specified by:

modify in class HashArrayMappedTrieModule.AbstractNode<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface HashArrayMappedTrie<K,V>

size

public int size()

Specified by:

size in interface HashArrayMappedTrie<K,V>

nodes

public Iterator<HashArrayMappedTrieModule.LeafNode<K,V>> nodes()

Overrides:

nodes in class HashArrayMappedTrieModule.AbstractNode<K,V>

readResolve

private Object readResolve()

Instance control for object serialization.

Returns:

The singleton instance of EmptyNode.

See Also:

• Serializable