Package org.magicwerk.brownies.collections

Class KeyCollectionAsMap<K,E>

java.lang.Object

org.magicwerk.brownies.collections.KeyCollectionAsMap<K,E>

All Implemented Interfaces:

Serializable, Map<K,E>

public class KeyCollectionAsMap<K,E>
extends Object
implements Map<K,E>, Serializable

Implements a Map based on a key map in a KeyCollection or KeyList.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field	Description
(package private) KeyCollectionImpl<E>	coll	Reference to KeyCollectionImpl containing data (exactly one of the fields coll and list is set)
(package private) boolean	immutable
(package private) int	keyIndex
(package private) KeyListImpl<E>	list	Reference to KeyListImpl containing data (exactly one of the fields coll and list is set)

Constructor Summary

Constructors

Constructor	Description
KeyCollectionAsMap(KeyCollectionImpl<E> coll, int keyIndex, boolean immutable)
KeyCollectionAsMap(KeyListImpl<E> list, int keyIndex, boolean immutable)

Method Summary

Modifier and Type	Method	Description
(package private) void	checkMutable()
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,E>>	entrySet()
boolean	equals(Object o)
E	get(Object key)
int	hashCode()
boolean	isEmpty()
Set<K>	keySet()
E	put(K key, E elem)
void	putAll(Map<? extends K,? extends E> map)
E	remove(Object key)
int	size()
String	toString()
Collection<E>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Details

coll

KeyCollectionImpl<E> coll

Reference to KeyCollectionImpl containing data (exactly one of the fields coll and list is set)

list

KeyListImpl<E> list

Reference to KeyListImpl containing data (exactly one of the fields coll and list is set)

keyIndex

int keyIndex

immutable

boolean immutable

Constructor Details

KeyCollectionAsMap

public KeyCollectionAsMap(KeyCollectionImpl<E> coll,
 int keyIndex,
 boolean immutable)

KeyCollectionAsMap

public KeyCollectionAsMap(KeyListImpl<E> list,
 int keyIndex,
 boolean immutable)

Method Details

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<K,E>

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<K,E>

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

size

public int size()

Specified by:

size in interface Map<K,E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,E>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,E>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,E>

get

public E get(Object key)

Specified by:

get in interface Map<K,E>

keySet

public Set<K> keySet()

Note that the returned set is immutable.

Specified by:

keySet in interface Map<K,E>

entrySet

public Set<Map.Entry<K,E>> entrySet()

Note that the returned set is immutable.

Specified by:

entrySet in interface Map<K,E>

values

public Collection<E> values()

Specified by:

values in interface Map<K,E>

checkMutable

void checkMutable()

clear

public void clear()

Specified by:

clear in interface Map<K,E>

put

public E put(K key,
 E elem)

Specified by:

put in interface Map<K,E>

remove

public E remove(Object key)

Specified by:

remove in interface Map<K,E>

putAll

public void putAll(Map<? extends K,? extends E> map)

Specified by:

putAll in interface Map<K,E>