Module org.jhotdraw8.fxcollection

Package org.jhotdraw8.fxcollection.sharedkeys

Class SharedKeysMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

org.jhotdraw8.fxcollection.sharedkeys.SharedKeysMap<K,V>

Type Parameters:

K - key type

V - value type

All Implemented Interfaces:

Map<K,V>, javafx.beans.Observable, javafx.collections.ObservableMap<K,V>

public class SharedKeysMap<K,V>
extends AbstractMap<K,V>
implements javafx.collections.ObservableMap<K,V>

An observable map which stores its values in an array, and which shares its immutable keys with other SharedKeysMap instances.

Author:

Werner Randelshofer

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor	Description
SharedKeysMap(@NonNull Map<K,Integer> keyMap)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	addListener(javafx.beans.InvalidationListener listener)
void	addListener(javafx.collections.MapChangeListener<? super K,? super V> observer)
protected void	callObservers(javafx.collections.MapChangeListener.Change<K,V> change)
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(@Nullable Object value)
@NonNull Set<Map.Entry<K,V>>	entrySet()
@Nullable V	get(Object key)
boolean	isEmpty()
@NonNull Set<K>	keySet()
@Nullable V	put(K key, V value)
@Nullable V	remove(Object key)
void	removeListener(javafx.beans.InvalidationListener listener)
void	removeListener(javafx.collections.MapChangeListener<? super K,? super V> observer)
int	size()
@NonNull Collection<V>	values()

Methods inherited from class java.util.AbstractMap

clone, equals, hashCode, putAll, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putAll, putIfAbsent, remove, replace, replace, replaceAll

Methods inherited from interface javafx.beans.Observable

subscribe

Constructor Details

SharedKeysMap

public SharedKeysMap(@NonNull Map<K,Integer> keyMap)

Creates a new instance.

Parameters:

keyMap - a map which maps from keys to indices. The indices must be in the range [0,keyMap.size()-1].

This map must be immutable.

Method Details

addListener

public void addListener(javafx.beans.InvalidationListener listener)

Specified by:

addListener in interface javafx.beans.Observable

addListener

public void addListener(javafx.collections.MapChangeListener<? super K,? super V> observer)

Specified by:

addListener in interface javafx.collections.ObservableMap<K,V>

callObservers

protected void callObservers(javafx.collections.MapChangeListener.Change<K,V> change)

clear

public void clear()

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class AbstractMap<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

Overrides:

containsKey in class AbstractMap<K,V>

containsValue

public boolean containsValue(@Nullable Object value)

Specified by:

containsValue in interface Map<K,V>

Overrides:

containsValue in class AbstractMap<K,V>

entrySet

public @NonNull Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

Specified by:

entrySet in class AbstractMap<K,V>

get

public @Nullable V get(Object key)

Specified by:

get in interface Map<K,V>

Overrides:

get in class AbstractMap<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

Overrides:

isEmpty in class AbstractMap<K,V>

keySet

public @NonNull Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

Overrides:

keySet in class AbstractMap<K,V>

put

public @Nullable V put(K key,
 V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class AbstractMap<K,V>

remove

public @Nullable V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class AbstractMap<K,V>

removeListener

public void removeListener(javafx.beans.InvalidationListener listener)

Specified by:

removeListener in interface javafx.beans.Observable

removeListener

public void removeListener(javafx.collections.MapChangeListener<? super K,? super V> observer)

Specified by:

removeListener in interface javafx.collections.ObservableMap<K,V>

size

public int size()

Specified by:

size in interface Map<K,V>

Overrides:

size in class AbstractMap<K,V>

values

public @NonNull Collection<V> values()

Specified by:

values in interface Map<K,V>

Overrides:

values in class AbstractMap<K,V>